1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * The contents of this file are subject to the terms of the Liferay Enterprise
5    * Subscription License ("License"). You may not use this file except in
6    * compliance with the License. You can obtain a copy of the License by
7    * contacting Liferay, Inc. See the License for the specific language governing
8    * permissions and limitations under the License, including but not limited to
9    * distribution rights of the Software.
10   *
11   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
12   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
14   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
15   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
16   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
17   * SOFTWARE.
18   */
19  
20  package com.liferay.portlet.journal.util;
21  
22  import com.liferay.portal.kernel.log.Log;
23  import com.liferay.portal.kernel.log.LogFactoryUtil;
24  
25  import java.util.List;
26  import java.util.regex.Matcher;
27  import java.util.regex.Pattern;
28  
29  /**
30   * <a href="RegexTransformerListener.java.html"><b><i>View Source</i></b></a>
31   *
32   * @author Brian Wing Shun Chan
33   *
34   */
35  public class RegexTransformerListener extends TransformerListener {
36  
37      public String onXml(String s) {
38          if (_log.isDebugEnabled()) {
39              _log.debug("onXml");
40          }
41  
42          return s;
43      }
44  
45      public String onScript(String s) {
46          if (_log.isDebugEnabled()) {
47              _log.debug("onScript");
48          }
49  
50          s = replace(s);
51  
52          return s;
53      }
54  
55      public String onOutput(String s) {
56          if (_log.isDebugEnabled()) {
57              _log.debug("onOutput");
58          }
59  
60          s = replace(s);
61  
62          return s;
63      }
64  
65      protected String replace(String s) {
66          if (s == null) {
67              return s;
68          }
69  
70          List<Pattern> patterns = RegexTransformerUtil.getPatterns();
71          List<String> replacements = RegexTransformerUtil.getReplacements();
72  
73          for (int i = 0; i < patterns.size(); i++) {
74              Pattern pattern = patterns.get(i);
75              String replacement = replacements.get(i);
76  
77              Matcher matcher = pattern.matcher(s);
78  
79              s = matcher.replaceAll(replacement);
80          }
81  
82          return s;
83      }
84  
85      private static Log _log =
86          LogFactoryUtil.getLog(RegexTransformerListener.class);
87  
88  }