| 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.StringMaker;
26 import com.liferay.portal.kernel.util.StringPool;
27 import com.liferay.portal.kernel.util.StringUtil;
28
29 import java.util.Map;
30
31 import org.apache.commons.logging.Log;
32 import org.apache.commons.logging.LogFactory;
33
34 /**
35 * <a href="ViewCounterTransformerListener.java.html"><b><i>View Source</i></b>
36 * </a>
37 *
38 * @author Raymond Aug�
39 *
40 */
41 public class ViewCounterTransformerListener extends TransformerListener {
42
43 public String onXml(String s) {
44 if (_log.isDebugEnabled()) {
45 _log.debug("onXml");
46 }
47
48 return s;
49 }
50
51 public String onScript(String s) {
52 if (_log.isDebugEnabled()) {
53 _log.debug("onScript");
54 }
55
56 return s;
57 }
58
59 public String onOutput(String s) {
60 if (_log.isDebugEnabled()) {
61 _log.debug("onOutput");
62 }
63
64 return replaceViewCounterToken(s);
65 }
66
67 /**
68 * Replace the counter token with the increment call.
69 *
70 * @param s the given string
71 * @return the processed string
72 */
73 protected String replaceViewCounterToken(String s) {
74 Map<String, String> tokens = getTokens();
75
76 String articleResourcePK = tokens.get("article_resource_pk");
77
78 String counterToken = StringPool.AT + "view_counter" + StringPool.AT;
79
80 StringMaker sm = new StringMaker();
81
82 sm.append("<script type=\"text/javascript\">");
83 sm.append("Liferay.Service.Tags.TagsAsset.incrementViewCounter");
84 sm.append("({className:'");
85 sm.append("com.liferay.portlet.journal.model.JournalArticle', ");
86 sm.append("classPK:");
87 sm.append(articleResourcePK);
88 sm.append("});");
89 sm.append("</script>");
90
91 s = StringUtil.replace(s, counterToken, sm.toString());
92
93 return s;
94 }
95
96 private static Log _log =
97 LogFactory.getLog(ViewCounterTransformerListener.class);
98
99 }