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  }