| ViewCounterTransformerListener.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 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 }