DecimalFormat.java revision 34a3a0501220dd62b88ddb4a355bad46b15c25a2
1f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes/* 2adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Licensed to the Apache Software Foundation (ASF) under one or more 3adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * contributor license agreements. See the NOTICE file distributed with 4adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * this work for additional information regarding copyright ownership. 5adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * The ASF licenses this file to You under the Apache License, Version 2.0 6adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * (the "License"); you may not use this file except in compliance with 7adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the License. You may obtain a copy of the License at 8f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes * 9adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 10f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes * 11adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Unless required by applicable law or agreed to in writing, software 12adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 13adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * See the License for the specific language governing permissions and 15adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * limitations under the License. 16adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 17adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 18adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectpackage java.text; 19adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 20adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectimport java.io.IOException; 21adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectimport java.io.ObjectInputStream; 22adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectimport java.io.ObjectOutputStream; 23adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectimport java.io.ObjectStreamField; 24adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectimport java.math.BigDecimal; 25adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectimport java.math.BigInteger; 2642db7d138547e3bba75cf6ed02b6a319e30004aeElliott Hughesimport java.math.RoundingMode; 27adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectimport java.util.Currency; 28adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectimport java.util.Locale; 29162b0775772fa66b7eb634760a8159a60c1ddceaElliott Hughesimport libcore.icu.LocaleData; 30c27a366a89e470690e99374b15270e7b9169ade1Elliott Hughesimport libcore.icu.NativeDecimalFormat; 31adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 32adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project/** 33adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * A concrete subclass of {@link NumberFormat} that formats decimal numbers. It 34adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * has a variety of features designed to make it possible to parse and format 35adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * numbers in any locale, including support for Western, Arabic, or Indic 36adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * digits. It also supports different flavors of numbers, including integers 37adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * ("123"), fixed-point numbers ("123.4"), scientific notation ("1.23E4"), 38adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * percentages ("12%"), and currency amounts ("$123"). All of these flavors can 39adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * be easily localized. 40adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <p> 41adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <strong>This is an enhanced version of {@code DecimalFormat} that is based on 42adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the standard version in the RI. New or changed functionality is labeled 43adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <strong><font color="red">NEW</font></strong>.</strong> 44adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <p> 45adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * To obtain a {@link NumberFormat} for a specific locale (including the default 46adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * locale), call one of {@code NumberFormat}'s factory methods such as 47adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code NumberFormat.getInstance}. Do not call the {@code DecimalFormat} 48adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * constructors directly, unless you know what you are doing, since the 49adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@link NumberFormat} factory methods may return subclasses other than 50adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code DecimalFormat}. If you need to customize the format object, do 51adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * something like this: <blockquote> 529b354e75f2418e54638e02d153216660b67d01b8Jesse Wilson * 53adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <pre> 54adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * NumberFormat f = NumberFormat.getInstance(loc); 55adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if (f instanceof DecimalFormat) { 56adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * ((DecimalFormat)f).setDecimalSeparatorAlwaysShown(true); 57adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * } 58adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * </pre> 599b354e75f2418e54638e02d153216660b67d01b8Jesse Wilson * 60adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * </blockquote> 619b354e75f2418e54638e02d153216660b67d01b8Jesse Wilson * 62adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <h4>Patterns</h4> 63adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <p> 64adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * A {@code DecimalFormat} consists of a <em>pattern</em> and a set of 65adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <em>symbols</em>. The pattern may be set directly using 66adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@link #applyPattern(String)}, or indirectly using other API methods which 67adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * manipulate aspects of the pattern, such as the minimum number of integer 68adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * digits. The symbols are stored in a {@link DecimalFormatSymbols} object. When 69adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * using the {@link NumberFormat} factory methods, the pattern and symbols are 70adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * read from ICU's locale data. 71adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <h4>Special Pattern Characters</h4> 72adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <p> 73adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Many characters in a pattern are taken literally; they are matched during 74adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * parsing and are written out unchanged during formatting. On the other hand, 75adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * special characters stand for other characters, strings, or classes of 76adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * characters. For example, the '#' character is replaced by a localized digit. 77adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Often the replacement character is the same as the pattern character; in the 78adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * U.S. locale, the ',' grouping character is replaced by ','. However, the 79adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * replacement is still happening, and if the symbols are modified, the grouping 80adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * character changes. Some special characters affect the behavior of the 81adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * formatter by their presence; for example, if the percent character is seen, 82adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * then the value is multiplied by 100 before being displayed. 83adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <p> 84adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * To insert a special character in a pattern as a literal, that is, without any 85adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * special meaning, the character must be quoted. There are some exceptions to 86adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * this which are noted below. 87adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <p> 88adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * The characters listed here are used in non-localized patterns. Localized 89adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * patterns use the corresponding characters taken from this formatter's 90adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@link DecimalFormatSymbols} object instead, and these characters lose their 91adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * special status. Two exceptions are the currency sign and quote, which are not 92adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * localized. 93adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <blockquote> <table border="0" cellspacing="3" cellpadding="0" summary="Chart 94adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * showing symbol, location, localized, and meaning."> 95adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <tr bgcolor="#ccccff"> 96adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <th align="left">Symbol</th> 97adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <th align="left">Location</th> 98adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <th align="left">Localized?</th> 99adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <th align="left">Meaning</th> 100adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * </tr> 101adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <tr valign="top"> 102adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>{@code 0}</td> 103adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>Number</td> 104adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>Yes</td> 105adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>Digit.</td> 106adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * </tr> 107adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <tr valign="top"> 108adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>{@code @}</td> 109adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>Number</td> 110adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>No</td> 111adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td><strong><font color="red">NEW</font> </strong> Significant 112adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * digit.</td> 113adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * </tr> 114adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <tr valign="top" bgcolor="#eeeeff"> 115adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>{@code #}</td> 116adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>Number</td> 117adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>Yes</td> 118adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>Digit, leading zeroes are not shown.</td> 119adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * </tr> 120adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <tr valign="top"> 121adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>{@code .}</td> 122adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>Number</td> 123adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>Yes</td> 124adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>Decimal separator or monetary decimal separator.</td> 125adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * </tr> 126adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <tr valign="top" bgcolor="#eeeeff"> 127adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>{@code -}</td> 128adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>Number</td> 129adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>Yes</td> 130adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>Minus sign.</td> 131adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * </tr> 132adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <tr valign="top"> 133adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>{@code ,}</td> 134adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>Number</td> 135adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>Yes</td> 136adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>Grouping separator.</td> 137adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * </tr> 138adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <tr valign="top" bgcolor="#eeeeff"> 139adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>{@code E}</td> 140adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>Number</td> 141adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>Yes</td> 142adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>Separates mantissa and exponent in scientific notation. 143adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <em>Does not need to be quoted in prefix or suffix.</em></td> 144adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * </tr> 145adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <tr valign="top"> 146adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>{@code +}</td> 147adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>Exponent</td> 148adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>Yes</td> 149adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td><strong><font color="red">NEW</font> </strong> Prefix 150adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * positive exponents with localized plus sign. 151adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <em>Does not need to be quoted in prefix or suffix.</em></td> 152adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * </tr> 153adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <tr valign="top" bgcolor="#eeeeff"> 154adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>{@code ;}</td> 155adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>Subpattern boundary</td> 156adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>Yes</td> 157adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>Separates positive and negative subpatterns.</td> 158adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * </tr> 159adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <tr valign="top"> 160adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>{@code %}</td> 161adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>Prefix or suffix</td> 162adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>Yes</td> 163adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>Multiply by 100 and show as percentage.</td> 164adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * </tr> 165adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <tr valign="top" bgcolor="#eeeeff"> 1661d58625189328f29c10fa98d52512ee6cf8cc641Ben Dodson * <td>{@code \u2030} ({@code \u005Cu2030})</td> 167adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>Prefix or suffix</td> 168adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>Yes</td> 169adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>Multiply by 1000 and show as per mille.</td> 170adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * </tr> 171adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <tr valign="top"> 1721d58625189328f29c10fa98d52512ee6cf8cc641Ben Dodson * <td>{@code \u00A4} ({@code \u005Cu00A4})</td> 173adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>Prefix or suffix</td> 174adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>No</td> 175adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>Currency sign, replaced by currency symbol. If doubled, replaced by 176adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * international currency symbol. If present in a pattern, the monetary decimal 177adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * separator is used instead of the decimal separator.</td> 178adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * </tr> 179adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <tr valign="top" bgcolor="#eeeeff"> 180adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>{@code '}</td> 181adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>Prefix or suffix</td> 182adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>No</td> 183adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>Used to quote special characters in a prefix or suffix, for example, 184adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code "'#'#"} formats 123 to {@code "#123"}. To create a single quote 185adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * itself, use two in a row: {@code "# o''clock"}.</td> 186adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * </tr> 187adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <tr valign="top"> 188adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>{@code *}</td> 189adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>Prefix or suffix boundary</td> 190adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>Yes</td> 191adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td><strong><font color="red">NEW</font> </strong> Pad escape, 192adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * precedes pad character. </td> 193adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * </tr> 194adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * </table> </blockquote> 195adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <p> 196757a7942eed2b0aa457f8517a0259d2ac82c5b18Elliott Hughes * A {@code DecimalFormat} pattern contains a positive and negative subpattern, 197adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * for example, "#,##0.00;(#,##0.00)". Each subpattern has a prefix, a numeric 198adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * part and a suffix. If there is no explicit negative subpattern, the negative 199adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * subpattern is the localized minus sign prefixed to the positive subpattern. 200adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * That is, "0.00" alone is equivalent to "0.00;-0.00". If there is an explicit 201adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * negative subpattern, it serves only to specify the negative prefix and 202adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * suffix; the number of digits, minimal digits, and other characteristics are 203adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * ignored in the negative subpattern. This means that "#,##0.0#;(#)" produces 204adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * precisely the same result as "#,##0.0#;(#,##0.0#)". 205adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <p> 206adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * The prefixes, suffixes, and various symbols used for infinity, digits, 207adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * thousands separators, decimal separators, etc. may be set to arbitrary 208adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * values, and they will appear properly during formatting. However, care must 209adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * be taken that the symbols and strings do not conflict, or parsing will be 210adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * unreliable. For example, either the positive and negative prefixes or the 211adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * suffixes must be distinct for {@link #parse} to be able to distinguish 212adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * positive from negative values. Another example is that the decimal separator 213adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * and thousands separator should be distinct characters, or parsing will be 214adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * impossible. 215adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <p> 216adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * The <em>grouping separator</em> is a character that separates clusters of 217adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * integer digits to make large numbers more legible. It is commonly used for 218adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * thousands, but in some locales it separates ten-thousands. The <em>grouping 219adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * size</em> 220adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * is the number of digits between the grouping separators, such as 3 for 221adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * "100,000,000" or 4 for "1 0000 0000". There are actually two different 222adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * grouping sizes: One used for the least significant integer digits, the 223adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <em>primary grouping size</em>, and one used for all others, the 224adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <em>secondary grouping size</em>. In most locales these are the same, but 225adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * sometimes they are different. For example, if the primary grouping interval 226adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * is 3, and the secondary is 2, then this corresponds to the pattern 227adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * "#,##,##0", and the number 123456789 is formatted as "12,34,56,789". If a 228adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * pattern contains multiple grouping separators, the interval between the last 229adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * one and the end of the integer defines the primary grouping size, and the 230adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * interval between the last two defines the secondary grouping size. All others 231adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * are ignored, so "#,##,###,####", "###,###,####" and "##,#,###,####" produce 232adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the same result. 233adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <p> 234adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Illegal patterns, such as "#.#.#" or "#.###,###", will cause 235adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code DecimalFormat} to throw an {@link IllegalArgumentException} with a 236adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * message that describes the problem. 237adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <h4>Pattern BNF</h4> 2389b354e75f2418e54638e02d153216660b67d01b8Jesse Wilson * 239adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <pre> 240adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * pattern := subpattern (';' subpattern)? 241adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * subpattern := prefix? number exponent? suffix? 242adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * number := (integer ('.' fraction)?) | sigDigits 243adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * prefix := '\\u0000'..'\\uFFFD' - specialCharacters 244adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * suffix := '\\u0000'..'\\uFFFD' - specialCharacters 245adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * integer := '#'* '0'* '0' 246adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * fraction := '0'* '#'* 247adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * sigDigits := '#'* '@' '@'* '#'* 248adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * exponent := 'E' '+'? '0'* '0' 249adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * padSpec := '*' padChar 250adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * padChar := '\\u0000'..'\\uFFFD' - quote 2519b354e75f2418e54638e02d153216660b67d01b8Jesse Wilson * 252adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Notation: 253adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * X* 0 or more instances of X 254adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * X? 0 or 1 instances of X 255adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * X|Y either X or Y 256adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * C..D any character from C up to D, inclusive 257adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * S-T characters in S, except those in T 258adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * </pre> 2599b354e75f2418e54638e02d153216660b67d01b8Jesse Wilson * 260adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * The first subpattern is for positive numbers. The second (optional) 261adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * subpattern is for negative numbers. 262adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <p> 263adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Not indicated in the BNF syntax above: 264adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <ul> 265adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <li>The grouping separator ',' can occur inside the integer and sigDigits 266adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * elements, between any two pattern characters of that element, as long as the 267adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * integer or sigDigits element is not followed by the exponent element. 268adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <li><font color="red"><strong>NEW</strong> </font> Two 269adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * grouping intervals are recognized: The one between the decimal point and the 270adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * first grouping symbol and the one between the first and second grouping 271adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * symbols. These intervals are identical in most locales, but in some locales 272adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * they differ. For example, the pattern "#,##,###" formats the number 273adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * 123456789 as "12,34,56,789".</li> 274adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <li> <strong><font color="red">NEW</font> </strong> The pad 275adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * specifier {@code padSpec} may appear before the prefix, after the prefix, 276adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * before the suffix, after the suffix or not at all. 277adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * </ul> 278adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <h4>Parsing</h4> 279adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <p> 280adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code DecimalFormat} parses all Unicode characters that represent decimal 281adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * digits, as defined by {@link Character#digit(int, int)}. In addition, 282adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code DecimalFormat} also recognizes as digits the ten consecutive 283adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * characters starting with the localized zero digit defined in the 284adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@link DecimalFormatSymbols} object. During formatting, the 285adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@link DecimalFormatSymbols}-based digits are written out. 286adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <p> 287adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * During parsing, grouping separators are ignored. 288adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <p> 289adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If {@link #parse(String, ParsePosition)} fails to parse a string, it returns 290adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code null} and leaves the parse position unchanged. 291adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <h4>Formatting</h4> 292adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <p> 293adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Formatting is guided by several parameters, all of which can be specified 294adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * either using a pattern or using the API. The following description applies to 295adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * formats that do not use <a href="#sci">scientific notation</a> or <a 296adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * href="#sigdig">significant digits</a>. 297adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <ul> 298adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <li>If the number of actual integer digits exceeds the 299adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <em>maximum integer digits</em>, then only the least significant digits 300adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * are shown. For example, 1997 is formatted as "97" if maximum integer digits 301adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * is set to 2. 302adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <li>If the number of actual integer digits is less than the 303adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <em>minimum integer digits</em>, then leading zeros are added. For 304adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * example, 1997 is formatted as "01997" if minimum integer digits is set to 5. 305adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <li>If the number of actual fraction digits exceeds the <em>maximum 306adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * fraction digits</em>, 307adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * then half-even rounding is performed to the maximum fraction digits. For 308adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * example, 0.125 is formatted as "0.12" if the maximum fraction digits is 2. 309adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <li>If the number of actual fraction digits is less than the 310adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <em>minimum fraction digits</em>, then trailing zeros are added. For 311757a7942eed2b0aa457f8517a0259d2ac82c5b18Elliott Hughes * example, 0.125 is formatted as "0.1250" if the minimum fraction digits is set 312adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * to 4. 313adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <li>Trailing fractional zeros are not displayed if they occur <em>j</em> 314adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * positions after the decimal, where <em>j</em> is less than the maximum 315adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * fraction digits. For example, 0.10004 is formatted as "0.1" if the maximum 316adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * fraction digits is four or less. 317adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * </ul> 318adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <p> 319adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <strong>Special Values</strong> 320adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <p> 321adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code NaN} is represented as a single character, typically 3221d58625189328f29c10fa98d52512ee6cf8cc641Ben Dodson * {@code \u005cuFFFD}. This character is determined by the 323adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@link DecimalFormatSymbols} object. This is the only value for which the 324adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * prefixes and suffixes are not used. 325adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <p> 3261d58625189328f29c10fa98d52512ee6cf8cc641Ben Dodson * Infinity is represented as a single character, typically {@code \u005cu221E}, 327adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * with the positive or negative prefixes and suffixes applied. The infinity 328adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * character is determined by the {@link DecimalFormatSymbols} object. <a 329adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * name="sci"> 330adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <h4>Scientific Notation</h4> 331adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * </a> 332adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <p> 333adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Numbers in scientific notation are expressed as the product of a mantissa and 334adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * a power of ten, for example, 1234 can be expressed as 1.234 x 10<sup>3</sup>. 335adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * The mantissa is typically in the half-open interval [1.0, 10.0) or sometimes 336adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * [0.0, 1.0), but it does not need to be. {@code DecimalFormat} supports 337adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * arbitrary mantissas. {@code DecimalFormat} can be instructed to use 338adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * scientific notation through the API or through the pattern. In a pattern, the 339adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * exponent character immediately followed by one or more digit characters 340adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * indicates scientific notation. Example: "0.###E0" formats the number 1234 as 341adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * "1.234E3". 342adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <ul> 343adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <li>The number of digit characters after the exponent character gives the 344adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * minimum exponent digit count. There is no maximum. Negative exponents are 345adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * formatted using the localized minus sign, <em>not</em> the prefix and 346adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * suffix from the pattern. This allows patterns such as "0.###E0 m/s". To 347adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * prefix positive exponents with a localized plus sign, specify '+' between the 348adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * exponent and the digits: "0.###E+0" will produce formats "1E+1", "1E+0", 349adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * "1E-1", etc. (In localized patterns, use the localized plus sign rather than 350adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * '+'.) 351adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <li>The minimum number of integer digits is achieved by adjusting the 352adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * exponent. Example: 0.00123 formatted with "00.###E0" yields "12.3E-4". This 353adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * only happens if there is no maximum number of integer digits. If there is a 354adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * maximum, then the minimum number of integer digits is fixed at one. 355adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <li>The maximum number of integer digits, if present, specifies the exponent 356adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * grouping. The most common use of this is to generate <em>engineering 357adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * notation</em>, 358adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * in which the exponent is a multiple of three, e.g., "##0.###E0". The number 359adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * 12345 is formatted using "##0.###E0" as "12.345E3". 360adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <li>When using scientific notation, the formatter controls the digit counts 361adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * using significant digits logic. The maximum number of significant digits 362adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * limits the total number of integer and fraction digits that will be shown in 363adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the mantissa; it does not affect parsing. For example, 12345 formatted with 364adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * "##0.##E0" is "12.3E3". See the section on significant digits for more 365adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * details. 366adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <li>The number of significant digits shown is determined as follows: If no 367adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * significant digits are used in the pattern then the minimum number of 368adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * significant digits shown is one, the maximum number of significant digits 369adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * shown is the sum of the <em>minimum integer</em> and 370adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <em>maximum fraction</em> digits, and it is unaffected by the maximum 371adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * integer digits. If this sum is zero, then all significant digits are shown. 372adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If significant digits are used in the pattern then the number of integer 373adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * digits is fixed at one and there is no exponent grouping. 374adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <li>Exponential patterns may not contain grouping separators. 375adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * </ul> 376adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <a name="sigdig"> 377adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <h4> <strong><font color="red">NEW</font> </strong> Significant 378adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Digits</h4> 379adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <p> 380adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * </a> {@code DecimalFormat} has two ways of controlling how many digits are 381adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * shown: (a) significant digit counts or (b) integer and fraction digit counts. 382adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Integer and fraction digit counts are described above. When a formatter uses 383adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * significant digits counts, the number of integer and fraction digits is not 384adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * specified directly, and the formatter settings for these counts are ignored. 385adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Instead, the formatter uses as many integer and fraction digits as required 386adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * to display the specified number of significant digits. 387adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <h5>Examples:</h5> 388adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <blockquote> <table border=0 cellspacing=3 cellpadding=0> 389adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <tr bgcolor="#ccccff"> 390adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <th align="left">Pattern</th> 391adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <th align="left">Minimum significant digits</th> 392adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <th align="left">Maximum significant digits</th> 393adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <th align="left">Number</th> 394adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <th align="left">Output of format()</th> 395adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * </tr> 396adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <tr valign="top"> 397adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>{@code @@@} 398adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>3</td> 399adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>3</td> 400adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>12345</td> 401adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>{@code 12300}</td> 402adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * </tr> 403adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <tr valign="top" bgcolor="#eeeeff"> 404adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>{@code @@@}</td> 405adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>3</td> 406adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>3</td> 407adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>0.12345</td> 408adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>{@code 0.123}</td> 409adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * </tr> 410adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <tr valign="top"> 411adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>{@code @@##}</td> 412adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>2</td> 413adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>4</td> 414adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>3.14159</td> 415adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>{@code 3.142}</td> 416adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * </tr> 417adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <tr valign="top" bgcolor="#eeeeff"> 418adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>{@code @@##}</td> 419adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>2</td> 420adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>4</td> 421adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>1.23004</td> 422adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <td>{@code 1.23}</td> 423adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * </tr> 424adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * </table> </blockquote> 425adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <ul> 426adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <li>Significant digit counts may be expressed using patterns that specify a 427adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * minimum and maximum number of significant digits. These are indicated by the 428adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code '@'} and {@code '#'} characters. The minimum number of significant 429adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * digits is the number of {@code '@'} characters. The maximum number of 430adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * significant digits is the number of {@code '@'} characters plus the number of 431adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code '#'} characters following on the right. For example, the pattern 432adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code "@@@"} indicates exactly 3 significant digits. The pattern 433adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code "@##"} indicates from 1 to 3 significant digits. Trailing zero digits 434adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * to the right of the decimal separator are suppressed after the minimum number 435adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * of significant digits have been shown. For example, the pattern {@code "@##"} 436adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * formats the number 0.1203 as {@code "0.12"}. 437adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <li>If a pattern uses significant digits, it may not contain a decimal 438adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * separator, nor the {@code '0'} pattern character. Patterns such as 439adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code "@00"} or {@code "@.###"} are disallowed. 440adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <li>Any number of {@code '#'} characters may be prepended to the left of the 441adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * leftmost {@code '@'} character. These have no effect on the minimum and 442adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * maximum significant digit counts, but may be used to position grouping 443adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * separators. For example, {@code "#,#@#"} indicates a minimum of one 444adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * significant digit, a maximum of two significant digits, and a grouping size 445adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * of three. 446adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <li>In order to enable significant digits formatting, use a pattern 447adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * containing the {@code '@'} pattern character. 448adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <li>In order to disable significant digits formatting, use a pattern that 449adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * does not contain the {@code '@'} pattern character. 450adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <li>The number of significant digits has no effect on parsing. 451adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <li>Significant digits may be used together with exponential notation. Such 452adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * patterns are equivalent to a normal exponential pattern with a minimum and 453adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * maximum integer digit count of one, a minimum fraction digit count of the 454adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * number of '@' characters in the pattern - 1, and a maximum fraction digit 455adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * count of the number of '@' and '#' characters in the pattern - 1. For 456adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * example, the pattern {@code "@@###E0"} is equivalent to {@code "0.0###E0"}. 457757a7942eed2b0aa457f8517a0259d2ac82c5b18Elliott Hughes * <li>If significant digits are in use then the integer and fraction digit 458adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * counts, as set via the API, are ignored. 459adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * </ul> 460adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <h4> <strong><font color="red">NEW</font> </strong> Padding</h4> 461adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <p> 462adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code DecimalFormat} supports padding the result of {@code format} to a 463adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * specific width. Padding may be specified either through the API or through 464adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the pattern syntax. In a pattern, the pad escape character followed by a 465adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * single pad character causes padding to be parsed and formatted. The pad 466adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * escape character is '*' in unlocalized patterns. For example, 467adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code "$*x#,##0.00"} formats 123 to {@code "$xx123.00"}, and 1234 to 468adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code "$1,234.00"}. 469adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <ul> 470adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <li>When padding is in effect, the width of the positive subpattern, 471adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * including prefix and suffix, determines the format width. For example, in the 472adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * pattern {@code "* #0 o''clock"}, the format width is 10.</li> 473adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <li>The width is counted in 16-bit code units (Java {@code char}s).</li> 474adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <li>Some parameters which usually do not matter have meaning when padding is 475adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * used, because the pattern width is significant with padding. In the pattern "* 476adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * ##,##,#,##0.##", the format width is 14. The initial characters "##,##," do 477adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * not affect the grouping size or maximum integer digits, but they do affect 478adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the format width.</li> 479adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <li>Padding may be inserted at one of four locations: before the prefix, 480adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * after the prefix, before the suffix or after the suffix. If padding is 481adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * specified in any other location, {@link #applyPattern} throws an {@link 482adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * IllegalArgumentException}. If there is no prefix, before the prefix and after 483adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the prefix are equivalent, likewise for the suffix.</li> 484adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <li>When specified in a pattern, the 16-bit {@code char} immediately 485adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * following the pad escape is the pad character. This may be any character, 486adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * including a special pattern character. That is, the pad escape 487adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <em>escapes</em> the following character. If there is no character after 488adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the pad escape, then the pattern is illegal.</li> 489adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * </ul> 490adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <h4>Synchronization</h4> 491adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <p> 492adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code DecimalFormat} objects are not synchronized. Multiple threads should 493adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * not access one formatter concurrently. 4949b354e75f2418e54638e02d153216660b67d01b8Jesse Wilson * 495adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see Format 496adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see NumberFormat 497adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 498adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectpublic class DecimalFormat extends NumberFormat { 499adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 500adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private static final long serialVersionUID = 864413376551465018L; 501adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 502adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private transient DecimalFormatSymbols symbols; 503adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 50434a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes private transient NativeDecimalFormat ndf; 505adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 50642db7d138547e3bba75cf6ed02b6a319e30004aeElliott Hughes private transient RoundingMode roundingMode = RoundingMode.HALF_EVEN; 50742db7d138547e3bba75cf6ed02b6a319e30004aeElliott Hughes 508adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 509adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Constructs a new {@code DecimalFormat} for formatting and parsing numbers 5103106a99ccbe2e2a25bb66266d0ee42d98dd18099Elliott Hughes * for the user's default locale. 5113106a99ccbe2e2a25bb66266d0ee42d98dd18099Elliott Hughes * See "<a href="../util/Locale.html#default_locale">Be wary of the default locale</a>". 512adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 513adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public DecimalFormat() { 5149b354e75f2418e54638e02d153216660b67d01b8Jesse Wilson Locale locale = Locale.getDefault(); 515f2d5062b67e57ef00ee81fec67480f0d58d66b50Elliott Hughes this.symbols = new DecimalFormatSymbols(locale); 516757a7942eed2b0aa457f8517a0259d2ac82c5b18Elliott Hughes initNative(LocaleData.get(locale).numberPattern); 517adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 518adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 519adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 520adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Constructs a new {@code DecimalFormat} using the specified non-localized 5213106a99ccbe2e2a25bb66266d0ee42d98dd18099Elliott Hughes * pattern and the {@code DecimalFormatSymbols} for the user's default Locale. 5223106a99ccbe2e2a25bb66266d0ee42d98dd18099Elliott Hughes * See "<a href="../util/Locale.html#default_locale">Be wary of the default locale</a>". 523adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param pattern 524adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the non-localized pattern. 5259b354e75f2418e54638e02d153216660b67d01b8Jesse Wilson * @throws IllegalArgumentException 5269b354e75f2418e54638e02d153216660b67d01b8Jesse Wilson * if the pattern cannot be parsed. 527adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 528adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public DecimalFormat(String pattern) { 529f2d5062b67e57ef00ee81fec67480f0d58d66b50Elliott Hughes this(pattern, Locale.getDefault()); 530adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 531adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 532adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 533adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Constructs a new {@code DecimalFormat} using the specified non-localized 534adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * pattern and {@code DecimalFormatSymbols}. 535f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes * 536adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param pattern 537adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the non-localized pattern. 538adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param value 539adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the DecimalFormatSymbols. 5409b354e75f2418e54638e02d153216660b67d01b8Jesse Wilson * @throws IllegalArgumentException 5419b354e75f2418e54638e02d153216660b67d01b8Jesse Wilson * if the pattern cannot be parsed. 542adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 543adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public DecimalFormat(String pattern, DecimalFormatSymbols value) { 544f2d5062b67e57ef00ee81fec67480f0d58d66b50Elliott Hughes this.symbols = (DecimalFormatSymbols) value.clone(); 5455d593ea1361bd7c5ef3353b66d63ac64e95d9d41Elliott Hughes initNative(pattern); 546adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 547adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 548757a7942eed2b0aa457f8517a0259d2ac82c5b18Elliott Hughes // Used by NumberFormat.getInstance because cloning DecimalFormatSymbols is slow. 549a05602fd81ff398fd6381390a0886608fec5f95cElliott Hughes DecimalFormat(String pattern, Locale locale) { 550a05602fd81ff398fd6381390a0886608fec5f95cElliott Hughes this.symbols = new DecimalFormatSymbols(locale); 5515d593ea1361bd7c5ef3353b66d63ac64e95d9d41Elliott Hughes initNative(pattern); 552f2d5062b67e57ef00ee81fec67480f0d58d66b50Elliott Hughes } 553a05602fd81ff398fd6381390a0886608fec5f95cElliott Hughes 5545d593ea1361bd7c5ef3353b66d63ac64e95d9d41Elliott Hughes private void initNative(String pattern) { 555f2d5062b67e57ef00ee81fec67480f0d58d66b50Elliott Hughes try { 55634a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes this.ndf = new NativeDecimalFormat(pattern, symbols); 557f2d5062b67e57ef00ee81fec67480f0d58d66b50Elliott Hughes } catch (IllegalArgumentException ex) { 558f2d5062b67e57ef00ee81fec67480f0d58d66b50Elliott Hughes throw new IllegalArgumentException(pattern); 559f2d5062b67e57ef00ee81fec67480f0d58d66b50Elliott Hughes } 56034a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes super.setMaximumFractionDigits(ndf.getMaximumFractionDigits()); 56134a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes super.setMaximumIntegerDigits(ndf.getMaximumIntegerDigits()); 56234a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes super.setMinimumFractionDigits(ndf.getMinimumFractionDigits()); 56334a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes super.setMinimumIntegerDigits(ndf.getMinimumIntegerDigits()); 564a05602fd81ff398fd6381390a0886608fec5f95cElliott Hughes } 565a05602fd81ff398fd6381390a0886608fec5f95cElliott Hughes 566adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 567adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Changes the pattern of this decimal format to the specified pattern which 568adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * uses localized pattern characters. 569f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes * 570adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param pattern 571adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the localized pattern. 5729b354e75f2418e54638e02d153216660b67d01b8Jesse Wilson * @throws IllegalArgumentException 5739b354e75f2418e54638e02d153216660b67d01b8Jesse Wilson * if the pattern cannot be parsed. 574adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 575adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public void applyLocalizedPattern(String pattern) { 57634a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes ndf.applyLocalizedPattern(pattern); 577adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 578adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 579adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 580adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Changes the pattern of this decimal format to the specified pattern which 581adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * uses non-localized pattern characters. 582f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes * 583adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param pattern 584adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the non-localized pattern. 5859b354e75f2418e54638e02d153216660b67d01b8Jesse Wilson * @throws IllegalArgumentException 5869b354e75f2418e54638e02d153216660b67d01b8Jesse Wilson * if the pattern cannot be parsed. 587adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 588adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public void applyPattern(String pattern) { 58934a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes ndf.applyPattern(pattern); 590adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 591adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 592adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 593adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Returns a new instance of {@code DecimalFormat} with the same pattern and 59434a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes * properties. 595adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 596adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project @Override 597adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public Object clone() { 598adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project DecimalFormat clone = (DecimalFormat) super.clone(); 59934a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes clone.ndf = (NativeDecimalFormat) ndf.clone(); 600adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project clone.symbols = (DecimalFormatSymbols) symbols.clone(); 601adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return clone; 602adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 603adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 604adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 605adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Compares the specified object to this decimal format and indicates if 606adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * they are equal. In order to be equal, {@code object} must be an instance 607adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * of {@code DecimalFormat} with the same pattern and properties. 608f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes * 609adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param object 610adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the object to compare with this object. 611adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return {@code true} if the specified object is equal to this decimal 612adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * format; {@code false} otherwise. 613adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see #hashCode 614adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 615adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project @Override 616adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public boolean equals(Object object) { 617adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (this == object) { 618adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return true; 619adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 620adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (!(object instanceof DecimalFormat)) { 621adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return false; 622adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 623f2d5062b67e57ef00ee81fec67480f0d58d66b50Elliott Hughes DecimalFormat other = (DecimalFormat) object; 62434a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes return (this.ndf == null ? other.ndf == null : this.ndf.equals(other.ndf)) && 625f2d5062b67e57ef00ee81fec67480f0d58d66b50Elliott Hughes getDecimalFormatSymbols().equals(other.getDecimalFormatSymbols()); 626adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 627adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 628adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 629adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Formats the specified object using the rules of this decimal format and 630adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * returns an {@code AttributedCharacterIterator} with the formatted number 631adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * and attributes. 632f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes * 633adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param object 634adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the object to format. 635adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return an AttributedCharacterIterator with the formatted number and 636adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * attributes. 637adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IllegalArgumentException 638adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if {@code object} cannot be formatted by this format. 639adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws NullPointerException 640adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if {@code object} is {@code null}. 641adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 642adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project @Override 643adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public AttributedCharacterIterator formatToCharacterIterator(Object object) { 644adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (object == null) { 645d43b9ef11a1095967a3396b246639b563e1a4128Kenny Root throw new NullPointerException("object == null"); 646adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 64734a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes return ndf.formatToCharacterIterator(object); 648adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 649adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 6503e6f49bbb915b880afe104ec784c66bda55da450Elliott Hughes private void checkBufferAndFieldPosition(StringBuffer buffer, FieldPosition position) { 6513e6f49bbb915b880afe104ec784c66bda55da450Elliott Hughes if (buffer == null) { 6523e6f49bbb915b880afe104ec784c66bda55da450Elliott Hughes throw new NullPointerException("buffer == null"); 6533e6f49bbb915b880afe104ec784c66bda55da450Elliott Hughes } 6543e6f49bbb915b880afe104ec784c66bda55da450Elliott Hughes if (position == null) { 6553e6f49bbb915b880afe104ec784c66bda55da450Elliott Hughes throw new NullPointerException("position == null"); 6563e6f49bbb915b880afe104ec784c66bda55da450Elliott Hughes } 6573e6f49bbb915b880afe104ec784c66bda55da450Elliott Hughes } 6583e6f49bbb915b880afe104ec784c66bda55da450Elliott Hughes 659adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project @Override 660d7e81f7408fb84307d7792b7e3ab8c5a510b294bElliott Hughes public StringBuffer format(double value, StringBuffer buffer, FieldPosition position) { 6613e6f49bbb915b880afe104ec784c66bda55da450Elliott Hughes checkBufferAndFieldPosition(buffer, position); 66242db7d138547e3bba75cf6ed02b6a319e30004aeElliott Hughes // All float/double/Float/Double formatting ends up here... 66342db7d138547e3bba75cf6ed02b6a319e30004aeElliott Hughes if (roundingMode == RoundingMode.UNNECESSARY) { 66442db7d138547e3bba75cf6ed02b6a319e30004aeElliott Hughes // ICU4C doesn't support this rounding mode, so we have to fake it. 66542db7d138547e3bba75cf6ed02b6a319e30004aeElliott Hughes try { 66642db7d138547e3bba75cf6ed02b6a319e30004aeElliott Hughes setRoundingMode(RoundingMode.UP); 66742db7d138547e3bba75cf6ed02b6a319e30004aeElliott Hughes String upResult = format(value, new StringBuffer(), new FieldPosition(0)).toString(); 66842db7d138547e3bba75cf6ed02b6a319e30004aeElliott Hughes setRoundingMode(RoundingMode.DOWN); 66942db7d138547e3bba75cf6ed02b6a319e30004aeElliott Hughes String downResult = format(value, new StringBuffer(), new FieldPosition(0)).toString(); 67042db7d138547e3bba75cf6ed02b6a319e30004aeElliott Hughes if (!upResult.equals(downResult)) { 67142db7d138547e3bba75cf6ed02b6a319e30004aeElliott Hughes throw new ArithmeticException("rounding mode UNNECESSARY but rounding required"); 67242db7d138547e3bba75cf6ed02b6a319e30004aeElliott Hughes } 67342db7d138547e3bba75cf6ed02b6a319e30004aeElliott Hughes } finally { 67442db7d138547e3bba75cf6ed02b6a319e30004aeElliott Hughes setRoundingMode(RoundingMode.UNNECESSARY); 67542db7d138547e3bba75cf6ed02b6a319e30004aeElliott Hughes } 67642db7d138547e3bba75cf6ed02b6a319e30004aeElliott Hughes } 67734a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes buffer.append(ndf.formatDouble(value, position)); 6783e6f49bbb915b880afe104ec784c66bda55da450Elliott Hughes return buffer; 679adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 680adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 681adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project @Override 682d7e81f7408fb84307d7792b7e3ab8c5a510b294bElliott Hughes public StringBuffer format(long value, StringBuffer buffer, FieldPosition position) { 6833e6f49bbb915b880afe104ec784c66bda55da450Elliott Hughes checkBufferAndFieldPosition(buffer, position); 68434a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes buffer.append(ndf.formatLong(value, position)); 6853e6f49bbb915b880afe104ec784c66bda55da450Elliott Hughes return buffer; 686adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 687adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 688adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project @Override 6893e6f49bbb915b880afe104ec784c66bda55da450Elliott Hughes public final StringBuffer format(Object number, StringBuffer buffer, FieldPosition position) { 6903e6f49bbb915b880afe104ec784c66bda55da450Elliott Hughes checkBufferAndFieldPosition(buffer, position); 691d7e81f7408fb84307d7792b7e3ab8c5a510b294bElliott Hughes if (number instanceof BigInteger) { 692d7e81f7408fb84307d7792b7e3ab8c5a510b294bElliott Hughes BigInteger bigInteger = (BigInteger) number; 69346cb23aaaba1b0553d02d32713abad97bd4b0428Elliott Hughes char[] chars = (bigInteger.bitLength() < 64) 69434a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes ? ndf.formatLong(bigInteger.longValue(), position) 69534a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes : ndf.formatBigInteger(bigInteger, position); 69646cb23aaaba1b0553d02d32713abad97bd4b0428Elliott Hughes buffer.append(chars); 6973e6f49bbb915b880afe104ec784c66bda55da450Elliott Hughes return buffer; 698d7e81f7408fb84307d7792b7e3ab8c5a510b294bElliott Hughes } else if (number instanceof BigDecimal) { 69934a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes buffer.append(ndf.formatBigDecimal((BigDecimal) number, position)); 7003e6f49bbb915b880afe104ec784c66bda55da450Elliott Hughes return buffer; 701adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 7023e6f49bbb915b880afe104ec784c66bda55da450Elliott Hughes return super.format(number, buffer, position); 703adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 704adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 705adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 706adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Returns the {@code DecimalFormatSymbols} used by this decimal format. 707f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes * 708adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return a copy of the {@code DecimalFormatSymbols} used by this decimal 709adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * format. 710adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 711adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public DecimalFormatSymbols getDecimalFormatSymbols() { 712adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return (DecimalFormatSymbols) symbols.clone(); 713adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 714adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 715adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 716adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Returns the currency used by this decimal format. 717f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes * 718adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the currency used by this decimal format. 719adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see DecimalFormatSymbols#getCurrency() 720adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 721adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project @Override 722adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public Currency getCurrency() { 7235d593ea1361bd7c5ef3353b66d63ac64e95d9d41Elliott Hughes return symbols.getCurrency(); 724adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 725adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 726adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 727adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Returns the number of digits grouped together by the grouping separator. 728adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * This only allows to get the primary grouping size. There is no API to get 729adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the secondary grouping size. 7309b354e75f2418e54638e02d153216660b67d01b8Jesse Wilson * 731adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the number of digits grouped together. 732adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 733adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public int getGroupingSize() { 73434a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes return ndf.getGroupingSize(); 735adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 736adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 737adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 738adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Returns the multiplier which is applied to the number before formatting 739adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * or after parsing. 740f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes * 741adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the multiplier. 742adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 743adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public int getMultiplier() { 74434a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes return ndf.getMultiplier(); 745adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 746adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 747adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 748adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Returns the prefix which is formatted or parsed before a negative number. 749f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes * 750adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the negative prefix. 751adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 752adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public String getNegativePrefix() { 75334a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes return ndf.getNegativePrefix(); 754adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 755adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 756adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 757adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Returns the suffix which is formatted or parsed after a negative number. 758f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes * 759adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the negative suffix. 760adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 761adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public String getNegativeSuffix() { 76234a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes return ndf.getNegativeSuffix(); 763adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 764adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 765adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 766adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Returns the prefix which is formatted or parsed before a positive number. 767f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes * 768adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the positive prefix. 769adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 770adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public String getPositivePrefix() { 77134a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes return ndf.getPositivePrefix(); 772adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 773adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 774adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 775adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Returns the suffix which is formatted or parsed after a positive number. 776f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes * 777adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the positive suffix. 778adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 779adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public String getPositiveSuffix() { 78034a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes return ndf.getPositiveSuffix(); 781adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 782adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 783adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project @Override 784adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public int hashCode() { 78534a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes return getPositivePrefix().hashCode(); 786adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 787adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 788adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 789adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Indicates whether the decimal separator is shown when there are no 790adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * fractional digits. 791f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes * 792adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return {@code true} if the decimal separator should always be formatted; 793adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code false} otherwise. 794adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 795adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public boolean isDecimalSeparatorAlwaysShown() { 79634a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes return ndf.isDecimalSeparatorAlwaysShown(); 797adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 798adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 799adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 800adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * This value indicates whether the return object of the parse operation is 801adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * of type {@code BigDecimal}. This value defaults to {@code false}. 802f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes * 803adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return {@code true} if parse always returns {@code BigDecimals}, 804adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code false} if the type of the result is {@code Long} or 805adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code Double}. 806adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 807adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public boolean isParseBigDecimal() { 80834a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes return ndf.isParseBigDecimal(); 809adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 810adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 811adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 812adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Sets the flag that indicates whether numbers will be parsed as integers. 813adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * When this decimal format is used for parsing and this value is set to 814adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code true}, then the resulting numbers will be of type 815adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code java.lang.Integer}. Special cases are NaN, positive and negative 816adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * infinity, which are still returned as {@code java.lang.Double}. 817f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes * 8189b354e75f2418e54638e02d153216660b67d01b8Jesse Wilson * 819adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param value 820adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code true} that the resulting numbers of parse operations 821adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * will be of type {@code java.lang.Integer} except for the 822adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * special cases described above. 823adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 824adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project @Override 825adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public void setParseIntegerOnly(boolean value) { 826820dd9b89746b3e3005bd5d23176cde1a69048b7Elliott Hughes // In this implementation, NativeDecimalFormat is wrapped to 8279b354e75f2418e54638e02d153216660b67d01b8Jesse Wilson // fulfill most of the format and parse feature. And this method is 828820dd9b89746b3e3005bd5d23176cde1a69048b7Elliott Hughes // delegated to the wrapped instance of NativeDecimalFormat. 82934a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes ndf.setParseIntegerOnly(value); 830adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 831adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 832adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 833adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Indicates whether parsing with this decimal format will only 834adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * return numbers of type {@code java.lang.Integer}. 835f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes * 836adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return {@code true} if this {@code DecimalFormat}'s parse method only 837adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * returns {@code java.lang.Integer}; {@code false} otherwise. 838adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 839adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project @Override 840adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public boolean isParseIntegerOnly() { 84134a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes return ndf.isParseIntegerOnly(); 842adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 843adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 844adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private static final Double NEGATIVE_ZERO_DOUBLE = new Double(-0.0); 845adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 846adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 847adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Parses a {@code Long} or {@code Double} from the specified string 848adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * starting at the index specified by {@code position}. If the string is 849adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * successfully parsed then the index of the {@code ParsePosition} is 850adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * updated to the index following the parsed text. On error, the index is 851adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * unchanged and the error index of {@code ParsePosition} is set to the 852adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * index where the error occurred. 853f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes * 854adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param string 855adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the string to parse. 856adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param position 857adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * input/output parameter, specifies the start index in 858adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code string} from where to start parsing. If parsing is 859adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * successful, it is updated with the index following the parsed 860adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * text; on error, the index is unchanged and the error index is 861adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * set to the index where the error occurred. 862adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return a {@code Long} or {@code Double} resulting from the parse or 863adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code null} if there is an error. The result will be a 864adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code Long} if the parsed number is an integer in the range of a 865adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * long, otherwise the result is a {@code Double}. If 866adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code isParseBigDecimal} is {@code true} then it returns the 867adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * result as a {@code BigDecimal}. 868adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 869adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project @Override 870adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public Number parse(String string, ParsePosition position) { 87134a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes Number number = ndf.parse(string, position); 872b46dab348e2007bc08abaf7ecae34d89a2474e50Elliott Hughes if (number == null) { 873adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return null; 874adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 875adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (this.isParseBigDecimal()) { 876adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (number instanceof Long) { 877adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return new BigDecimal(number.longValue()); 878adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 879adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if ((number instanceof Double) && !((Double) number).isInfinite() 880adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project && !((Double) number).isNaN()) { 881adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 882adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return new BigDecimal(number.toString()); 883adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 884adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (number instanceof BigInteger) { 885adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return new BigDecimal(number.toString()); 886adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 887adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return number; 888adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 889adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if ((number instanceof BigDecimal) || (number instanceof BigInteger)) { 890adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return new Double(number.doubleValue()); 891adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 892adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (this.isParseIntegerOnly() && number.equals(NEGATIVE_ZERO_DOUBLE)) { 893fb0ec0e650bf8be35acb0d47da0311a7c446aa33Elliott Hughes return Long.valueOf(0); 894adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 895adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return number; 896adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 897adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 898adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 899adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 900adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Sets the {@code DecimalFormatSymbols} used by this decimal format. 901f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes * 902adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param value 903adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the {@code DecimalFormatSymbols} to set. 904adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 905adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public void setDecimalFormatSymbols(DecimalFormatSymbols value) { 906adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (value != null) { 907fb0ec0e650bf8be35acb0d47da0311a7c446aa33Elliott Hughes // The Java object is canonical, and we copy down to native code. 908f2d5062b67e57ef00ee81fec67480f0d58d66b50Elliott Hughes this.symbols = (DecimalFormatSymbols) value.clone(); 90934a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes ndf.setDecimalFormatSymbols(this.symbols); 910adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 911adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 912adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 913adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 914adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Sets the currency used by this decimal format. The min and max fraction 915adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * digits remain the same. 916f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes * 917adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param currency 918adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the currency this {@code DecimalFormat} should use. 919adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see DecimalFormatSymbols#setCurrency(Currency) 920adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 921adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project @Override 922adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public void setCurrency(Currency currency) { 92334a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes ndf.setCurrency(Currency.getInstance(currency.getCurrencyCode())); 924adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project symbols.setCurrency(currency); 925adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 926adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 927adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 928adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Sets whether the decimal separator is shown when there are no fractional 929adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * digits. 930f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes * 931adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param value 932adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code true} if the decimal separator should always be 933adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * formatted; {@code false} otherwise. 934adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 935adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public void setDecimalSeparatorAlwaysShown(boolean value) { 93634a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes ndf.setDecimalSeparatorAlwaysShown(value); 937adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 938adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 939adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 940adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Sets the number of digits grouped together by the grouping separator. 941adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * This only allows to set the primary grouping size; the secondary grouping 942adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * size can only be set with a pattern. 9439b354e75f2418e54638e02d153216660b67d01b8Jesse Wilson * 944adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param value 945adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the number of digits grouped together. 946adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 947adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public void setGroupingSize(int value) { 94834a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes ndf.setGroupingSize(value); 949adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 950adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 951adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 952adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Sets whether or not grouping will be used in this format. Grouping 953adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * affects both parsing and formatting. 954f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes * 955adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param value 956adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code true} if grouping is used; {@code false} otherwise. 957adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 958adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project @Override 959adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public void setGroupingUsed(boolean value) { 96034a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes ndf.setGroupingUsed(value); 961adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 962adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 963adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 964adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Indicates whether grouping will be used in this format. 965f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes * 966adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return {@code true} if grouping is used; {@code false} otherwise. 967adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 968adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project @Override 969adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public boolean isGroupingUsed() { 97034a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes return ndf.isGroupingUsed(); 971adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 972adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 973adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 974f2d5062b67e57ef00ee81fec67480f0d58d66b50Elliott Hughes * Sets the maximum number of digits after the decimal point. 975f2d5062b67e57ef00ee81fec67480f0d58d66b50Elliott Hughes * If the value passed is negative then it is replaced by 0. 976f2d5062b67e57ef00ee81fec67480f0d58d66b50Elliott Hughes * Regardless of this setting, no more than 340 digits will be used. 977f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes * 978f2d5062b67e57ef00ee81fec67480f0d58d66b50Elliott Hughes * @param value the maximum number of fraction digits. 979adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 980adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project @Override 981adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public void setMaximumFractionDigits(int value) { 982adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project super.setMaximumFractionDigits(value); 98334a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes ndf.setMaximumFractionDigits(getMaximumFractionDigits()); 98442db7d138547e3bba75cf6ed02b6a319e30004aeElliott Hughes // Changing the maximum fraction digits needs to update ICU4C's rounding configuration. 98542db7d138547e3bba75cf6ed02b6a319e30004aeElliott Hughes setRoundingMode(roundingMode); 986adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 987adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 988adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 989f2d5062b67e57ef00ee81fec67480f0d58d66b50Elliott Hughes * Sets the maximum number of digits before the decimal point. 990f2d5062b67e57ef00ee81fec67480f0d58d66b50Elliott Hughes * If the value passed is negative then it is replaced by 0. 991f2d5062b67e57ef00ee81fec67480f0d58d66b50Elliott Hughes * Regardless of this setting, no more than 309 digits will be used. 992f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes * 993f2d5062b67e57ef00ee81fec67480f0d58d66b50Elliott Hughes * @param value the maximum number of integer digits. 994adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 995adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project @Override 996adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public void setMaximumIntegerDigits(int value) { 997adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project super.setMaximumIntegerDigits(value); 99834a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes ndf.setMaximumIntegerDigits(getMaximumIntegerDigits()); 999adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1000adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1001adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 1002f2d5062b67e57ef00ee81fec67480f0d58d66b50Elliott Hughes * Sets the minimum number of digits after the decimal point. 1003f2d5062b67e57ef00ee81fec67480f0d58d66b50Elliott Hughes * If the value passed is negative then it is replaced by 0. 1004f2d5062b67e57ef00ee81fec67480f0d58d66b50Elliott Hughes * Regardless of this setting, no more than 340 digits will be used. 1005f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes * 1006f2d5062b67e57ef00ee81fec67480f0d58d66b50Elliott Hughes * @param value the minimum number of fraction digits. 1007adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 1008adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project @Override 1009adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public void setMinimumFractionDigits(int value) { 1010adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project super.setMinimumFractionDigits(value); 101134a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes ndf.setMinimumFractionDigits(getMinimumFractionDigits()); 1012adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1013adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1014adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 1015f2d5062b67e57ef00ee81fec67480f0d58d66b50Elliott Hughes * Sets the minimum number of digits before the decimal point. 1016f2d5062b67e57ef00ee81fec67480f0d58d66b50Elliott Hughes * If the value passed is negative then it is replaced by 0. 1017f2d5062b67e57ef00ee81fec67480f0d58d66b50Elliott Hughes * Regardless of this setting, no more than 309 digits will be used. 1018f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes * 1019f2d5062b67e57ef00ee81fec67480f0d58d66b50Elliott Hughes * @param value the minimum number of integer digits. 1020adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 1021adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project @Override 1022adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public void setMinimumIntegerDigits(int value) { 1023adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project super.setMinimumIntegerDigits(value); 102434a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes ndf.setMinimumIntegerDigits(getMinimumIntegerDigits()); 1025adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1026adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1027adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 1028adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Sets the multiplier which is applied to the number before formatting or 1029adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * after parsing. 1030f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes * 1031adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param value 1032adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the multiplier. 1033adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 1034adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public void setMultiplier(int value) { 103534a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes ndf.setMultiplier(value); 1036adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1037adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1038adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 1039adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Sets the prefix which is formatted or parsed before a negative number. 1040f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes * 1041adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param value 1042adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the negative prefix. 1043adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 1044adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public void setNegativePrefix(String value) { 104534a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes ndf.setNegativePrefix(value); 1046adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1047adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1048adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 1049adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Sets the suffix which is formatted or parsed after a negative number. 1050f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes * 1051adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param value 1052adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the negative suffix. 1053adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 1054adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public void setNegativeSuffix(String value) { 105534a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes ndf.setNegativeSuffix(value); 1056adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1057adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1058adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 1059adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Sets the prefix which is formatted or parsed before a positive number. 1060f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes * 1061adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param value 1062adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the positive prefix. 1063adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 1064adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public void setPositivePrefix(String value) { 106534a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes ndf.setPositivePrefix(value); 1066adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1067adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1068adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 1069adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Sets the suffix which is formatted or parsed after a positive number. 1070f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes * 1071adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param value 1072adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the positive suffix. 1073adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 1074adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public void setPositiveSuffix(String value) { 107534a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes ndf.setPositiveSuffix(value); 1076adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1077adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1078adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 10795501a3d4b3d7657c183ed5446fe67fa011fbf70bElliott Hughes * Sets the behavior of the parse method. If set to {@code true} then all 1080adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the returned objects will be of type {@code BigDecimal}. 1081f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes * 1082adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param newValue 1083adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code true} if all the returned objects should be of type 1084adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code BigDecimal}; {@code false} otherwise. 1085adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 1086adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public void setParseBigDecimal(boolean newValue) { 108734a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes ndf.setParseBigDecimal(newValue); 1088adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1089adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1090adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 1091adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Returns the pattern of this decimal format using localized pattern 1092adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * characters. 1093f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes * 1094adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the localized pattern. 1095adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 1096adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public String toLocalizedPattern() { 109734a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes return ndf.toLocalizedPattern(); 1098adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1099adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1100adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 1101adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Returns the pattern of this decimal format using non-localized pattern 1102adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * characters. 1103f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes * 1104adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the non-localized pattern. 1105adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 1106adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public String toPattern() { 110734a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes return ndf.toPattern(); 1108adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1109adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1110adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // the fields list to be serialized 1111adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private static final ObjectStreamField[] serialPersistentFields = { 111228eb98ecd43c27702e85b0561e040e2da10320a6Elliott Hughes new ObjectStreamField("positivePrefix", String.class), 111328eb98ecd43c27702e85b0561e040e2da10320a6Elliott Hughes new ObjectStreamField("positiveSuffix", String.class), 111428eb98ecd43c27702e85b0561e040e2da10320a6Elliott Hughes new ObjectStreamField("negativePrefix", String.class), 111528eb98ecd43c27702e85b0561e040e2da10320a6Elliott Hughes new ObjectStreamField("negativeSuffix", String.class), 111628eb98ecd43c27702e85b0561e040e2da10320a6Elliott Hughes new ObjectStreamField("posPrefixPattern", String.class), 111728eb98ecd43c27702e85b0561e040e2da10320a6Elliott Hughes new ObjectStreamField("posSuffixPattern", String.class), 111828eb98ecd43c27702e85b0561e040e2da10320a6Elliott Hughes new ObjectStreamField("negPrefixPattern", String.class), 111928eb98ecd43c27702e85b0561e040e2da10320a6Elliott Hughes new ObjectStreamField("negSuffixPattern", String.class), 112028eb98ecd43c27702e85b0561e040e2da10320a6Elliott Hughes new ObjectStreamField("multiplier", int.class), 112128eb98ecd43c27702e85b0561e040e2da10320a6Elliott Hughes new ObjectStreamField("groupingSize", byte.class), 112228eb98ecd43c27702e85b0561e040e2da10320a6Elliott Hughes new ObjectStreamField("groupingUsed", boolean.class), 112328eb98ecd43c27702e85b0561e040e2da10320a6Elliott Hughes new ObjectStreamField("decimalSeparatorAlwaysShown", boolean.class), 112428eb98ecd43c27702e85b0561e040e2da10320a6Elliott Hughes new ObjectStreamField("parseBigDecimal", boolean.class), 112528eb98ecd43c27702e85b0561e040e2da10320a6Elliott Hughes new ObjectStreamField("roundingMode", RoundingMode.class), 112628eb98ecd43c27702e85b0561e040e2da10320a6Elliott Hughes new ObjectStreamField("symbols", DecimalFormatSymbols.class), 112728eb98ecd43c27702e85b0561e040e2da10320a6Elliott Hughes new ObjectStreamField("useExponentialNotation", boolean.class), 112828eb98ecd43c27702e85b0561e040e2da10320a6Elliott Hughes new ObjectStreamField("minExponentDigits", byte.class), 112928eb98ecd43c27702e85b0561e040e2da10320a6Elliott Hughes new ObjectStreamField("maximumIntegerDigits", int.class), 113028eb98ecd43c27702e85b0561e040e2da10320a6Elliott Hughes new ObjectStreamField("minimumIntegerDigits", int.class), 113128eb98ecd43c27702e85b0561e040e2da10320a6Elliott Hughes new ObjectStreamField("maximumFractionDigits", int.class), 113228eb98ecd43c27702e85b0561e040e2da10320a6Elliott Hughes new ObjectStreamField("minimumFractionDigits", int.class), 113328eb98ecd43c27702e85b0561e040e2da10320a6Elliott Hughes new ObjectStreamField("serialVersionOnStream", int.class), 113428eb98ecd43c27702e85b0561e040e2da10320a6Elliott Hughes }; 1135adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1136adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 1137adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Writes serialized fields following serialized forms specified by Java 1138adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * specification. 1139f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes * 1140adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param stream 1141adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the output stream to write serialized bytes 1142adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 1143adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if some I/O error occurs 1144adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws ClassNotFoundException 1145adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 11461c4b8eb0aebfe7f99c10fb1d01716946e8e74ad7Elliott Hughes private void writeObject(ObjectOutputStream stream) throws IOException, ClassNotFoundException { 1147adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ObjectOutputStream.PutField fields = stream.putFields(); 114834a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes fields.put("positivePrefix", ndf.getPositivePrefix()); 114934a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes fields.put("positiveSuffix", ndf.getPositiveSuffix()); 115034a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes fields.put("negativePrefix", ndf.getNegativePrefix()); 115134a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes fields.put("negativeSuffix", ndf.getNegativeSuffix()); 1152186ae3b4b3ccad7baad8a33d59952263427ddda5Elliott Hughes fields.put("posPrefixPattern", (String) null); 1153186ae3b4b3ccad7baad8a33d59952263427ddda5Elliott Hughes fields.put("posSuffixPattern", (String) null); 1154186ae3b4b3ccad7baad8a33d59952263427ddda5Elliott Hughes fields.put("negPrefixPattern", (String) null); 1155186ae3b4b3ccad7baad8a33d59952263427ddda5Elliott Hughes fields.put("negSuffixPattern", (String) null); 115634a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes fields.put("multiplier", ndf.getMultiplier()); 115734a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes fields.put("groupingSize", (byte) ndf.getGroupingSize()); 115834a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes fields.put("groupingUsed", ndf.isGroupingUsed()); 115934a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes fields.put("decimalSeparatorAlwaysShown", ndf.isDecimalSeparatorAlwaysShown()); 116034a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes fields.put("parseBigDecimal", ndf.isParseBigDecimal()); 116142db7d138547e3bba75cf6ed02b6a319e30004aeElliott Hughes fields.put("roundingMode", roundingMode); 11629b354e75f2418e54638e02d153216660b67d01b8Jesse Wilson fields.put("symbols", symbols); 1163f2d5062b67e57ef00ee81fec67480f0d58d66b50Elliott Hughes fields.put("useExponentialNotation", false); 1164f8ba29b25f7fc2ef93ab39a8ac436c94d55b3984Elliott Hughes fields.put("minExponentDigits", (byte) 0); 116534a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes fields.put("maximumIntegerDigits", ndf.getMaximumIntegerDigits()); 116634a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes fields.put("minimumIntegerDigits", ndf.getMinimumIntegerDigits()); 116734a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes fields.put("maximumFractionDigits", ndf.getMaximumFractionDigits()); 116834a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes fields.put("minimumFractionDigits", ndf.getMinimumFractionDigits()); 116942db7d138547e3bba75cf6ed02b6a319e30004aeElliott Hughes fields.put("serialVersionOnStream", 4); 1170adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project stream.writeFields(); 1171adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1172adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1173adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 1174adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads serialized fields following serialized forms specified by Java 1175adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * specification. 1176f33eae7e84eb6d3b0f4e86b59605bb3de73009f3Elliott Hughes * 1177adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param stream 1178adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the input stream to read serialized bytes 1179adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 1180adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if some I/O error occurs 1181adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws ClassNotFoundException 1182adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if some class of serialized objects or fields cannot be found 1183adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 118442db7d138547e3bba75cf6ed02b6a319e30004aeElliott Hughes private void readObject(ObjectInputStream stream) throws IOException, ClassNotFoundException { 1185186ae3b4b3ccad7baad8a33d59952263427ddda5Elliott Hughes ObjectInputStream.GetField fields = stream.readFields(); 1186186ae3b4b3ccad7baad8a33d59952263427ddda5Elliott Hughes this.symbols = (DecimalFormatSymbols) fields.get("symbols", null); 1187186ae3b4b3ccad7baad8a33d59952263427ddda5Elliott Hughes 11885d593ea1361bd7c5ef3353b66d63ac64e95d9d41Elliott Hughes initNative(""); 118934a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes ndf.setPositivePrefix((String) fields.get("positivePrefix", "")); 119034a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes ndf.setPositiveSuffix((String) fields.get("positiveSuffix", "")); 119134a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes ndf.setNegativePrefix((String) fields.get("negativePrefix", "-")); 119234a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes ndf.setNegativeSuffix((String) fields.get("negativeSuffix", "")); 119334a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes ndf.setMultiplier(fields.get("multiplier", 1)); 119434a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes ndf.setGroupingSize(fields.get("groupingSize", (byte) 3)); 119534a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes ndf.setGroupingUsed(fields.get("groupingUsed", true)); 119634a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes ndf.setDecimalSeparatorAlwaysShown(fields.get("decimalSeparatorAlwaysShown", false)); 1197186ae3b4b3ccad7baad8a33d59952263427ddda5Elliott Hughes 119842db7d138547e3bba75cf6ed02b6a319e30004aeElliott Hughes setRoundingMode((RoundingMode) fields.get("roundingMode", RoundingMode.HALF_EVEN)); 119942db7d138547e3bba75cf6ed02b6a319e30004aeElliott Hughes 1200186ae3b4b3ccad7baad8a33d59952263427ddda5Elliott Hughes final int maximumIntegerDigits = fields.get("maximumIntegerDigits", 309); 1201186ae3b4b3ccad7baad8a33d59952263427ddda5Elliott Hughes final int minimumIntegerDigits = fields.get("minimumIntegerDigits", 309); 1202186ae3b4b3ccad7baad8a33d59952263427ddda5Elliott Hughes final int maximumFractionDigits = fields.get("maximumFractionDigits", 340); 1203186ae3b4b3ccad7baad8a33d59952263427ddda5Elliott Hughes final int minimumFractionDigits = fields.get("minimumFractionDigits", 340); 1204fb0ec0e650bf8be35acb0d47da0311a7c446aa33Elliott Hughes // Tell ICU what we want, then ask it what we can have, and then 1205f2d5062b67e57ef00ee81fec67480f0d58d66b50Elliott Hughes // set that in our Java object. This isn't RI-compatible, but then very little of our 1206f2d5062b67e57ef00ee81fec67480f0d58d66b50Elliott Hughes // behavior in this area is, and it's not obvious how we can second-guess ICU (or tell 1207f2d5062b67e57ef00ee81fec67480f0d58d66b50Elliott Hughes // it to just do exactly what we ask). We only need to do this with maximumIntegerDigits 1208f2d5062b67e57ef00ee81fec67480f0d58d66b50Elliott Hughes // because ICU doesn't seem to have its own ideas about the other options. 120934a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes ndf.setMaximumIntegerDigits(maximumIntegerDigits); 121034a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes super.setMaximumIntegerDigits(ndf.getMaximumIntegerDigits()); 1211186ae3b4b3ccad7baad8a33d59952263427ddda5Elliott Hughes 1212186ae3b4b3ccad7baad8a33d59952263427ddda5Elliott Hughes setMinimumIntegerDigits(minimumIntegerDigits); 1213f2d5062b67e57ef00ee81fec67480f0d58d66b50Elliott Hughes setMinimumFractionDigits(minimumFractionDigits); 1214f2d5062b67e57ef00ee81fec67480f0d58d66b50Elliott Hughes setMaximumFractionDigits(maximumFractionDigits); 1215186ae3b4b3ccad7baad8a33d59952263427ddda5Elliott Hughes setParseBigDecimal(fields.get("parseBigDecimal", false)); 1216adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1217186ae3b4b3ccad7baad8a33d59952263427ddda5Elliott Hughes if (fields.get("serialVersionOnStream", 0) < 3) { 12189b354e75f2418e54638e02d153216660b67d01b8Jesse Wilson setMaximumIntegerDigits(super.getMaximumIntegerDigits()); 1219adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project setMinimumIntegerDigits(super.getMinimumIntegerDigits()); 1220adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project setMaximumFractionDigits(super.getMaximumFractionDigits()); 1221adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project setMinimumFractionDigits(super.getMinimumFractionDigits()); 1222adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1223adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 122442db7d138547e3bba75cf6ed02b6a319e30004aeElliott Hughes 122542db7d138547e3bba75cf6ed02b6a319e30004aeElliott Hughes /** 122642db7d138547e3bba75cf6ed02b6a319e30004aeElliott Hughes * Returns the {@code RoundingMode} used by this {@code NumberFormat}. 122742db7d138547e3bba75cf6ed02b6a319e30004aeElliott Hughes * @since 1.6 122842db7d138547e3bba75cf6ed02b6a319e30004aeElliott Hughes */ 122942db7d138547e3bba75cf6ed02b6a319e30004aeElliott Hughes public RoundingMode getRoundingMode() { 123042db7d138547e3bba75cf6ed02b6a319e30004aeElliott Hughes return roundingMode; 123142db7d138547e3bba75cf6ed02b6a319e30004aeElliott Hughes } 123242db7d138547e3bba75cf6ed02b6a319e30004aeElliott Hughes 123342db7d138547e3bba75cf6ed02b6a319e30004aeElliott Hughes /** 123442db7d138547e3bba75cf6ed02b6a319e30004aeElliott Hughes * Sets the {@code RoundingMode} used by this {@code NumberFormat}. 123542db7d138547e3bba75cf6ed02b6a319e30004aeElliott Hughes * @since 1.6 123642db7d138547e3bba75cf6ed02b6a319e30004aeElliott Hughes */ 123742db7d138547e3bba75cf6ed02b6a319e30004aeElliott Hughes public void setRoundingMode(RoundingMode roundingMode) { 123842db7d138547e3bba75cf6ed02b6a319e30004aeElliott Hughes if (roundingMode == null) { 1239d43b9ef11a1095967a3396b246639b563e1a4128Kenny Root throw new NullPointerException("roundingMode == null"); 124042db7d138547e3bba75cf6ed02b6a319e30004aeElliott Hughes } 124142db7d138547e3bba75cf6ed02b6a319e30004aeElliott Hughes this.roundingMode = roundingMode; 124242db7d138547e3bba75cf6ed02b6a319e30004aeElliott Hughes if (roundingMode != RoundingMode.UNNECESSARY) { // ICU4C doesn't support UNNECESSARY. 124342db7d138547e3bba75cf6ed02b6a319e30004aeElliott Hughes double roundingIncrement = 1.0 / Math.pow(10, Math.max(0, getMaximumFractionDigits())); 124434a3a0501220dd62b88ddb4a355bad46b15c25a2Elliott Hughes ndf.setRoundingMode(roundingMode, roundingIncrement); 124542db7d138547e3bba75cf6ed02b6a319e30004aeElliott Hughes } 124642db7d138547e3bba75cf6ed02b6a319e30004aeElliott Hughes } 1247adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 1248