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 }