garyp 00/10/18 10:20:14
Added: src/org/apache/xalan/xslt/extensions Tokenizer.java Log: Tokenizer extension function written by Benoit Cerrina. Revision Changes Path 1.1 xml-xalan/src/org/apache/xalan/xslt/extensions/Tokenizer.java Index: Tokenizer.java =================================================================== /* * The Apache Software License, Version 1.1 * * * Copyright (c) 2000 The Apache Software Foundation. All rights * reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. The end-user documentation included with the redistribution, * if any, must include the following acknowledgment: * "This product includes software developed by the * Apache Software Foundation (http://www.apache.org/)." * Alternately, this acknowledgment may appear in the software itself, * if and wherever such third-party acknowledgments normally appear. * * 4. The names "Xalan" and "Apache Software Foundation" must * not be used to endorse or promote products derived from this * software without prior written permission. For written * permission, please contact [EMAIL PROTECTED] * * 5. Products derived from this software may not be called "Apache", * nor may "Apache" appear in their name, without prior written * permission of the Apache Software Foundation. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * ==================================================================== * * This software consists of voluntary contributions made by many * individuals on behalf of the Apache Software Foundation and was * originally based on software copyright (c) 1999, Lotus * Development Corporation., http://www.lotus.com. For more * information on the Apache Software Foundation, please see * <http://www.apache.org/>. */ package org.apache.xalan.xslt.extensions; import org.w3c.dom.*; import org.apache.xalan.xpath.MutableNodeListImpl; import org.apache.xalan.xpath.XNodeSet; import org.apache.xerces.dom.DOMImplementationImpl; /** * Tokenizer class. * This class is an extension implementing a set of tokenizing function. I've found this functions especially usefull * when used with attribute nodes. * @author <a href="mailto:[EMAIL PROTECTED]">Benoit Cerrina</a> */ public class Tokenizer { /** * Tokenize a string into a NodeList of text nodes. * The main method for this class, it is used to turn a String and a token separator list into a Node-Set of Text nodes. * @param iToTokenize * The string which needs to be tokenized. * @param iTokenSeparators * The string which contains all the separators used during the tokenization process. * @return * A NodeList containing a text node with the appropriate value for each token in the string. */ public static NodeList tokenize(String iToTokenize, String iTokenSeparators) { java.util.StringTokenizer lTokenizer = new java.util.StringTokenizer(iToTokenize, iTokenSeparators); MutableNodeListImpl lListImpl = new MutableNodeListImpl(); Document lDoc = DOMImplementationImpl.getDOMImplementation().createDocument(null, "tmpDoc", null); for (;lTokenizer.hasMoreTokens();) { try { lListImpl.addNode(lDoc.createTextNode(lTokenizer.nextToken())); } catch (Exception e) { e.printStackTrace(); return lListImpl; } } return lListImpl; } /** * Tokenize a Nodelist into a NodeList of text nodes. * Converts the NodeList into a string then calls the first method. * @param iNodes * The Node-Set which needs to be tokenized. * @param iTokenSeparators * The string which contains all the separators used during the tokenization process. * @return * A NodeList containing a text node with the appropriate value for each token in the string. */ public static NodeList tokenize(NodeList iNodes, String iTokenSeparators) { return tokenize((new XNodeSet(iNodes)).str(), iTokenSeparators); } /** * Tokenize a Nodelist into a NodeList of text nodes. * Converts the NodeList into a string then calls the first method with space and commas as separators. * @param iNodes * The Node-Set which needs to be tokenized. * @return * A NodeList containing a text node with the appropriate value for each token in the string. */ public static NodeList tokenize(NodeList iNodes) { return tokenize((new XNodeSet(iNodes)).str(), " \t\n\r"); } /** * Tokenize a Nodelist into a NodeList of text nodes. * Calls the first method with space and commas as separators. * @param iNodes * The Node-Set which needs to be tokenized. * @return * A NodeList containing a text node with the appropriate value for each token in the string. */ public static NodeList tokenize(String iToTokenize) { return tokenize(iToTokenize, " \t\n\r"); } }
