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.StringPool;
26  import com.liferay.portal.kernel.util.StringUtil;
27  
28  import java.util.Map;
29  
30  import org.apache.commons.logging.Log;
31  import org.apache.commons.logging.LogFactory;
32  
33  /**
34   * <a href="ViewCounterTransformerListener.java.html"><b><i>View Source</i></b>
35   * </a>
36   *
37   * @author Raymond Augé
38   *
39   */
40  public class ViewCounterTransformerListener extends TransformerListener {
41  
42      public String onXml(String s) {
43          if (_log.isDebugEnabled()) {
44              _log.debug("onXml");
45          }
46  
47          return s;
48      }
49  
50      public String onScript(String s) {
51          if (_log.isDebugEnabled()) {
52              _log.debug("onScript");
53          }
54  
55          return s;
56      }
57  
58      public String onOutput(String s) {
59          if (_log.isDebugEnabled()) {
60              _log.debug("onOutput");
61          }
62  
63          return replace(s);
64      }
65  
66      /**
67       * Replace the counter token with the increment call.
68       *
69       * @param       s the given string
70       * @return      the processed string
71       */
72      protected String replace(String s) {
73          Map<String, String> tokens = getTokens();
74  
75          String articleResourcePK = tokens.get("article_resource_pk");
76  
77          String counterToken = StringPool.AT + "view_counter" + StringPool.AT;
78  
79          StringBuilder sb = new StringBuilder();
80  
81          sb.append("<script type=\"text/javascript\">");
82          sb.append("Liferay.Service.Tags.TagsAsset.incrementViewCounter");
83          sb.append("({className:'");
84          sb.append("com.liferay.portlet.journal.model.JournalArticle', ");
85          sb.append("classPK:");
86          sb.append(articleResourcePK);
87          sb.append("});");
88          sb.append("</script>");
89  
90          s = StringUtil.replace(s, counterToken, sb.toString());
91  
92          return s;
93      }
94  
95      private static Log _log =
96          LogFactory.getLog(ViewCounterTransformerListener.class);
97  
98  }