14c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson/* 24c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson * Licensed to the Apache Software Foundation (ASF) under one 34c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson * or more contributor license agreements. See the NOTICE file 44c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson * distributed with this work for additional information 54c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson * regarding copyright ownership. The ASF licenses this file 64c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson * to you under the Apache License, Version 2.0 (the "License"); 74c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson * you may not use this file except in compliance with the License. 84c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson * You may obtain a copy of the License at 94c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson * 104c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson * http://www.apache.org/licenses/LICENSE-2.0 114c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson * 124c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson * Unless required by applicable law or agreed to in writing, software 134c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson * distributed under the License is distributed on an "AS IS" BASIS, 144c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 154c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson * See the License for the specific language governing permissions and 164c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson * limitations under the License. 174c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson */ 184c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson/* 194c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson * $Id: XMLStringFactoryImpl.java 468655 2006-10-28 07:12:06Z minchau $ 204c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson */ 214c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilsonpackage org.apache.xpath.objects; 224c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson 234c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilsonimport org.apache.xml.utils.FastStringBuffer; 244c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilsonimport org.apache.xml.utils.XMLString; 254c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilsonimport org.apache.xml.utils.XMLStringFactory; 264c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson 274c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson/** 284c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson * Class XMLStringFactoryImpl creates XString versions of XMLStrings. 294c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson * @xsl.usage internal 304c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson */ 314c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilsonpublic class XMLStringFactoryImpl extends XMLStringFactory 324c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson{ 334c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson /** The XMLStringFactory to pass to DTM construction. */ 344c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson private static XMLStringFactory m_xstringfactory = 354c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson new XMLStringFactoryImpl(); 364c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson 374c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson /** 384c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson * Get the XMLStringFactory to pass to DTM construction. 394c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson * 404c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson * 414c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson * @return A never-null static reference to a String factory. 424c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson */ 434c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson public static XMLStringFactory getFactory() 444c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson { 454c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson return m_xstringfactory; 464c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson } 474c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson 484c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson /** 494c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson * Create a new XMLString from a Java string. 504c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson * 514c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson * 524c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson * @param string Java String reference, which must be non-null. 534c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson * 544c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson * @return An XMLString object that wraps the String reference. 554c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson */ 564c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson public XMLString newstr(String string) 574c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson { 584c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson return new XString(string); 594c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson } 604c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson 614c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson /** 624c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson * Create a XMLString from a FastStringBuffer. 634c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson * 644c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson * 654c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson * @param fsb FastStringBuffer reference, which must be non-null. 664c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson * @param start The start position in the array. 674c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson * @param length The number of characters to read from the array. 684c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson * 694c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson * @return An XMLString object that wraps the FastStringBuffer reference. 704c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson */ 714c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson public XMLString newstr(FastStringBuffer fsb, int start, int length) 724c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson { 734c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson return new XStringForFSB(fsb, start, length); 744c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson } 754c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson 764c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson /** 774c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson * Create a XMLString from a FastStringBuffer. 784c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson * 794c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson * 804c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson * @param string FastStringBuffer reference, which must be non-null. 814c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson * @param start The start position in the array. 824c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson * @param length The number of characters to read from the array. 834c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson * 844c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson * @return An XMLString object that wraps the FastStringBuffer reference. 854c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson */ 864c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson public XMLString newstr(char[] string, int start, int length) 874c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson { 884c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson return new XStringForChars(string, start, length); 894c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson } 904c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson 914c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson /** 924c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson * Get a cheap representation of an empty string. 934c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson * 944c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson * @return An non-null reference to an XMLString that represents "". 954c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson */ 964c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson public XMLString emptystr() 974c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson { 984c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson return XString.EMPTYSTRING; 994c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson } 1004c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson 1014c7a0d97cf2b27790e6236965a1d798d710d7ec7Jesse Wilson} 102