1/*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the  "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
9 *
10 *     http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18/*
19 * $Id: XResourceBundle.java 468655 2006-10-28 07:12:06Z minchau $
20 */
21package org.apache.xml.utils.res;
22
23import java.util.ListResourceBundle;
24import java.util.Locale;
25import java.util.MissingResourceException;
26import java.util.ResourceBundle;
27
28/**
29 * The default (english) resource bundle.
30 * @xsl.usage internal
31 */
32public class XResourceBundle extends ListResourceBundle
33{
34
35  /** Error resource constants */
36  public static final String ERROR_RESOURCES =
37    "org.apache.xalan.res.XSLTErrorResources", XSLT_RESOURCE =
38    "org.apache.xml.utils.res.XResourceBundle", LANG_BUNDLE_NAME =
39    "org.apache.xml.utils.res.XResources", MULT_ORDER =
40    "multiplierOrder", MULT_PRECEDES = "precedes", MULT_FOLLOWS =
41    "follows", LANG_ORIENTATION = "orientation", LANG_RIGHTTOLEFT =
42    "rightToLeft", LANG_LEFTTORIGHT = "leftToRight", LANG_NUMBERING =
43    "numbering", LANG_ADDITIVE = "additive", LANG_MULT_ADD =
44    "multiplicative-additive", LANG_MULTIPLIER =
45    "multiplier", LANG_MULTIPLIER_CHAR =
46    "multiplierChar", LANG_NUMBERGROUPS = "numberGroups", LANG_NUM_TABLES =
47    "tables", LANG_ALPHABET = "alphabet", LANG_TRAD_ALPHABET = "tradAlphabet";
48
49  /**
50   * Return a named ResourceBundle for a particular locale.  This method mimics the behavior
51   * of ResourceBundle.getBundle().
52   *
53   * @param className Name of local-specific subclass.
54   * @param locale the locale to prefer when searching for the bundle
55   */
56  public static final XResourceBundle loadResourceBundle(
57          String className, Locale locale) throws MissingResourceException
58  {
59
60    String suffix = getResourceSuffix(locale);
61
62    //System.out.println("resource " + className + suffix);
63    try
64    {
65
66      // first try with the given locale
67      String resourceName = className + suffix;
68      return (XResourceBundle) ResourceBundle.getBundle(resourceName, locale);
69    }
70    catch (MissingResourceException e)
71    {
72      try  // try to fall back to en_US if we can't load
73      {
74
75        // Since we can't find the localized property file,
76        // fall back to en_US.
77        return (XResourceBundle) ResourceBundle.getBundle(
78          XSLT_RESOURCE, new Locale("en", "US"));
79      }
80      catch (MissingResourceException e2)
81      {
82
83        // Now we are really in trouble.
84        // very bad, definitely very bad...not going to get very far
85        throw new MissingResourceException(
86          "Could not load any resource bundles.", className, "");
87      }
88    }
89  }
90
91  /**
92   * Return the resource file suffic for the indicated locale
93   * For most locales, this will be based the language code.  However
94   * for Chinese, we do distinguish between Taiwan and PRC
95   *
96   * @param locale the locale
97   * @return an String suffix which canbe appended to a resource name
98   */
99  private static final String getResourceSuffix(Locale locale)
100  {
101
102    String lang = locale.getLanguage();
103    String country = locale.getCountry();
104    String variant = locale.getVariant();
105    String suffix = "_" + locale.getLanguage();
106
107    if (lang.equals("zh"))
108      suffix += "_" + country;
109
110    if (country.equals("JP"))
111      suffix += "_" + country + "_" + variant;
112
113    return suffix;
114  }
115
116  /**
117   * Get the association list.
118   *
119   * @return The association list.
120   */
121  public Object[][] getContents()
122  {
123    return new Object[][]
124  {
125    { "ui_language", "en" }, { "help_language", "en" }, { "language", "en" },
126    { "alphabet", new CharArrayWrapper(new char[]{ 'A', 'B', 'C', 'D', 'E', 'F', 'G',
127         'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U',
128         'V', 'W', 'X', 'Y', 'Z' })},
129    { "tradAlphabet", new CharArrayWrapper(new char[]{ 'A', 'B', 'C', 'D', 'E', 'F',
130         'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T',
131         'U', 'V', 'W', 'X', 'Y', 'Z' }) },
132
133    //language orientation
134    { "orientation", "LeftToRight" },
135
136    //language numbering
137    { "numbering", "additive" },
138  };
139  }
140}
141