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.portlet;
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.jsp.JspException;
30  import javax.servlet.jsp.tagext.TagSupport;
31  
32  /**
33   * <a href="DefineObjectsTag.java.html"><b><i>View Source</i></b></a>
34   *
35   * @author Brian Wing Shun Chan
36   *
37   */
38  public class DefineObjectsTag extends TagSupport {
39  
40      public int doStartTag() throws JspException {
41          Thread currentThread = Thread.currentThread();
42  
43          ClassLoader contextClassLoader = currentThread.getContextClassLoader();
44  
45          try {
46              currentThread.setContextClassLoader(
47                  PortalClassLoaderUtil.getClassLoader());
48  
49              MethodWrapper methodWrapper = new MethodWrapper(
50                  _TAG_CLASS, _TAG_DO_START_METHOD, new Object[] {pageContext});
51  
52              MethodInvoker.invoke(methodWrapper);
53          }
54          catch (Exception e) {
55              throw new JspException(e);
56          }
57          finally {
58              currentThread.setContextClassLoader(contextClassLoader);
59          }
60  
61          return SKIP_BODY;
62      }
63  
64      public int doEndTag() {
65          return EVAL_PAGE;
66      }
67  
68      private static final String _TAG_CLASS =
69          "com.liferay.portal.servlet.taglib.portlet.DefineObjectsTagUtil";
70  
71      private static final String _TAG_DO_START_METHOD = "doStartTag";
72  
73  }