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