RegexTransformerListener.java |
1 /** 2 * Copyright (c) 2000-2008 Liferay, Inc. All rights reserved. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a copy 5 * of this software and associated documentation files (the "Software"), to deal 6 * in the Software without restriction, including without limitation the rights 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 8 * copies of the Software, and to permit persons to whom the Software is 9 * furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 20 * SOFTWARE. 21 */ 22 23 package com.liferay.portlet.journal.util; 24 25 import java.util.List; 26 import java.util.regex.Matcher; 27 import java.util.regex.Pattern; 28 29 import org.apache.commons.logging.Log; 30 import org.apache.commons.logging.LogFactory; 31 32 /** 33 * <a href="RegexTransformerListener.java.html"><b><i>View Source</i></b></a> 34 * 35 * @author Brian Wing Shun Chan 36 * 37 */ 38 public class RegexTransformerListener extends TransformerListener { 39 40 public String onXml(String s) { 41 if (_log.isDebugEnabled()) { 42 _log.debug("onXml"); 43 } 44 45 return s; 46 } 47 48 public String onScript(String s) { 49 if (_log.isDebugEnabled()) { 50 _log.debug("onScript"); 51 } 52 53 s = replace(s); 54 55 return s; 56 } 57 58 public String onOutput(String s) { 59 if (_log.isDebugEnabled()) { 60 _log.debug("onOutput"); 61 } 62 63 s = replace(s); 64 65 return s; 66 } 67 68 protected String replace(String s) { 69 if (s == null) { 70 return s; 71 } 72 73 List<Pattern> patterns = RegexTransformerUtil.getPatterns(); 74 List<String> replacements = RegexTransformerUtil.getReplacements(); 75 76 for (int i = 0; i < patterns.size(); i++) { 77 Pattern pattern = patterns.get(i); 78 String replacement = replacements.get(i); 79 80 Matcher matcher = pattern.matcher(s); 81 82 s = matcher.replaceAll(replacement); 83 } 84 85 return s; 86 } 87 88 private static Log _log = LogFactory.getLog(RegexTransformerListener.class); 89 90 }