| ToggleValueTag.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.taglib.ui;
24
25 import com.liferay.portal.kernel.util.MethodInvoker;
26 import com.liferay.portal.kernel.util.MethodWrapper;
27 import com.liferay.portal.kernel.util.PortalClassLoaderUtil;
28
29 import javax.servlet.http.HttpServletRequest;
30 import javax.servlet.jsp.JspTagException;
31 import javax.servlet.jsp.PageContext;
32 import javax.servlet.jsp.tagext.TagSupport;
33
34 import org.apache.commons.logging.Log;
35 import org.apache.commons.logging.LogFactory;
36
37 /**
38 * <a href="ToggleValueTag.java.html"><b><i>View Source</i></b></a>
39 *
40 * @author Brian Wing Shun Chan
41 *
42 */
43 public class ToggleValueTag extends TagSupport {
44
45 public static void doTag(
46 String id, PageContext pageContext, HttpServletRequest request)
47 throws Exception {
48
49 Thread currentThread = Thread.currentThread();
50
51 ClassLoader contextClassLoader = currentThread.getContextClassLoader();
52
53 try {
54 currentThread.setContextClassLoader(
55 PortalClassLoaderUtil.getClassLoader());
56
57 MethodWrapper methodWrapper = new MethodWrapper(
58 _TAG_CLASS, _TAG_DO_END_METHOD,
59 new Object[] {id, pageContext, request});
60
61 MethodInvoker.invoke(methodWrapper);
62 }
63 catch (Exception e) {
64 _log.error(e, e);
65
66 throw e;
67 }
68 finally {
69 currentThread.setContextClassLoader(contextClassLoader);
70 }
71 }
72
73 public int doEndTag() throws JspTagException {
74 try {
75 HttpServletRequest request =
76 (HttpServletRequest)pageContext.getRequest();
77
78 doTag(_id, pageContext, request);
79
80 return EVAL_PAGE;
81 }
82 catch (Exception e) {
83 throw new JspTagException(e.getMessage());
84 }
85 }
86
87 public void setId(String id) {
88 _id = id;
89 }
90
91 private static final String _TAG_CLASS =
92 "com.liferay.portal.servlet.taglib.ui.ToggleValueTagUtil";
93
94 private static final String _TAG_DO_END_METHOD = "doEndTag";
95
96 private static Log _log = LogFactory.getLog(ToggleValueTag.class);
97
98 private String _id;
99
100 }