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  import com.liferay.portal.kernel.util.StringPool;
31  import com.liferay.taglib.util.IncludeTag;
32  
33  import javax.servlet.jsp.JspException;
34  import javax.servlet.jsp.PageContext;
35  
36  /**
37   * <a href="WebDAVTag.java.html"><b><i>View Source</i></b></a>
38   *
39   * @author Jorge Ferrer
40   *
41   */
42  public class WebDAVTag extends IncludeTag {
43  
44      public static String doTag(String path, PageContext pageContext)
45          throws Exception {
46  
47          return doTag(_PAGE, path, pageContext);
48      }
49  
50      public static String doTag(
51              String page, String path, PageContext pageContext)
52          throws Exception {
53  
54          Object returnObj = null;
55  
56          Thread currentThread = Thread.currentThread();
57  
58          ClassLoader contextClassLoader = currentThread.getContextClassLoader();
59  
60          try {
61              currentThread.setContextClassLoader(
62                  PortalClassLoaderUtil.getClassLoader());
63  
64              MethodWrapper methodWrapper = new MethodWrapper(
65                  _TAG_CLASS, _TAG_DO_END_METHOD,
66                  new Object[] {page, path, pageContext});
67  
68              returnObj = MethodInvoker.invoke(methodWrapper);
69          }
70          catch (Exception e) {
71              _log.error(e, e);
72          }
73          finally {
74              currentThread.setContextClassLoader(contextClassLoader);
75          }
76  
77          if (returnObj != null) {
78              return returnObj.toString();
79          }
80          else {
81              return StringPool.BLANK;
82          }
83      }
84  
85      public int doEndTag() throws JspException {
86          try {
87              doTag(getPage(), _path, pageContext);
88          }
89          catch (Exception e) {
90              if (e instanceof JspException) {
91                  throw (JspException)e;
92              }
93              else {
94                  throw new JspException(e);
95              }
96          }
97  
98          return EVAL_PAGE;
99      }
100 
101     public void setPath(String path) {
102         _path = path;
103     }
104 
105     protected String getDefaultPage() {
106         return _PAGE;
107     }
108 
109     private static final String _TAG_CLASS =
110         "com.liferay.portal.servlet.taglib.ui.WebDAVTagUtil";
111 
112     private static final String _TAG_DO_END_METHOD = "doEndTag";
113 
114     private static final String _PAGE = "/html/taglib/ui/webdav/page.jsp";
115 
116     private static Log _log = LogFactoryUtil.getLog(WebDAVTag.class);
117 
118     private String _path;
119 
120 }