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 com.liferay.portal.kernel.util.Validator;
26  import com.liferay.portal.util.PropsUtil;
27  
28  import java.util.ArrayList;
29  import java.util.List;
30  import java.util.regex.Pattern;
31  
32  import org.apache.commons.logging.Log;
33  import org.apache.commons.logging.LogFactory;
34  
35  /**
36   * <a href="RegexTransformerUtil.java.html"><b><i>View Source</i></b></a>
37   *
38   * @author Brian Wing Shun Chan
39   *
40   */
41  public class RegexTransformerUtil {
42  
43      public static List<Pattern> getPatterns() {
44          return _instance._patterns;
45      }
46  
47      public static List<String> getReplacements() {
48          return _instance._replacements;
49      }
50  
51      private RegexTransformerUtil() {
52          _patterns = new ArrayList<Pattern>();
53          _replacements = new ArrayList<String>();
54  
55          for (int i = 0; i < 100; i++) {
56              String regex = PropsUtil.get(
57                  "journal.transformer.regex.pattern." + i);
58              String replacement = PropsUtil.get(
59                  "journal.transformer.regex.replacement." + i);
60  
61              if (Validator.isNull(regex) || Validator.isNull(replacement)) {
62                  break;
63              }
64  
65              if (_log.isInfoEnabled()) {
66                  _log.info(
67                      "Pattern " + regex + " will be replaced with " +
68                          replacement);
69              }
70  
71              _patterns.add(Pattern.compile(regex));
72              _replacements.add(replacement);
73          }
74      }
75  
76      private static Log _log = LogFactory.getLog(RegexTransformerUtil.class);
77  
78      private static RegexTransformerUtil _instance = new RegexTransformerUtil();
79  
80      private List<Pattern> _patterns;
81      private List<String> _replacements;
82  
83  }