1   /**
2    * Copyright (c) 2000-2009 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.log.Log;
26  import com.liferay.portal.kernel.log.LogFactoryUtil;
27  import com.liferay.portal.kernel.util.StringPool;
28  import com.liferay.portal.kernel.util.StringUtil;
29  
30  import java.util.Map;
31  
32  /**
33   * <a href="ViewCounterTransformerListener.java.html"><b><i>View Source</i></b>
34   * </a>
35   *
36   * @author Raymond Augé
37   *
38   */
39  public class ViewCounterTransformerListener extends TransformerListener {
40  
41      public String onXml(String s) {
42          if (_log.isDebugEnabled()) {
43              _log.debug("onXml");
44          }
45  
46          return s;
47      }
48  
49      public String onScript(String s) {
50          if (_log.isDebugEnabled()) {
51              _log.debug("onScript");
52          }
53  
54          return s;
55      }
56  
57      public String onOutput(String s) {
58          if (_log.isDebugEnabled()) {
59              _log.debug("onOutput");
60          }
61  
62          return replace(s);
63      }
64  
65      /**
66       * Replace the counter token with the increment call.
67       *
68       * @param       s the given string
69       * @return      the processed string
70       */
71      protected String replace(String s) {
72          Map<String, String> tokens = getTokens();
73  
74          String articleResourcePK = tokens.get("article_resource_pk");
75  
76          String counterToken = StringPool.AT + "view_counter" + StringPool.AT;
77  
78          StringBuilder sb = new StringBuilder();
79  
80          sb.append("<script type=\"text/javascript\">");
81          sb.append("Liferay.Service.Tags.TagsAsset.incrementViewCounter");
82          sb.append("({className:'");
83          sb.append("com.liferay.portlet.journal.model.JournalArticle', ");
84          sb.append("classPK:");
85          sb.append(articleResourcePK);
86          sb.append("});");
87          sb.append("</script>");
88  
89          s = StringUtil.replace(s, counterToken, sb.toString());
90  
91          return s;
92      }
93  
94      private static Log _log =
95          LogFactoryUtil.getLog(ViewCounterTransformerListener.class);
96  
97  }