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="InputPermissionsTag.java.html"><b><i>View Source</i></b></a>
38   *
39   * @author Brian Wing Shun Chan
40   * @author Wilson S. Man
41   *
42   */
43  public class InputPermissionsTag extends IncludeTag {
44  
45      public static String doTag(
46              String formName, String modelName, PageContext pageContext)
47          throws Exception {
48  
49          return doTag(_PAGE, formName, modelName, pageContext);
50      }
51  
52      public static String doTag(
53              String page, String formName, String modelName,
54              PageContext pageContext)
55          throws Exception {
56  
57          Object returnObj = null;
58  
59          Thread currentThread = Thread.currentThread();
60  
61          ClassLoader contextClassLoader = currentThread.getContextClassLoader();
62  
63          try {
64              currentThread.setContextClassLoader(
65                  PortalClassLoaderUtil.getClassLoader());
66  
67              MethodWrapper methodWrapper = new MethodWrapper(
68                  _TAG_CLASS, _TAG_DO_END_METHOD,
69                  new Object[] {page, formName, modelName, pageContext});
70  
71              returnObj = MethodInvoker.invoke(methodWrapper);
72          }
73          catch (Exception e) {
74              _log.error(e, e);
75          }
76          finally {
77              currentThread.setContextClassLoader(contextClassLoader);
78          }
79  
80          if (returnObj != null) {
81              return returnObj.toString();
82          }
83          else {
84              return StringPool.BLANK;
85          }
86      }
87  
88      public int doEndTag() throws JspException {
89          try {
90              doTag(getPage(), _formName, _modelName, pageContext);
91          }
92          catch (Exception e) {
93              if (e instanceof JspException) {
94                  throw (JspException)e;
95              }
96              else {
97                  throw new JspException(e);
98              }
99          }
100 
101         return EVAL_PAGE;
102     }
103 
104     public void setFormName(String formName) {
105         _formName = formName;
106     }
107 
108     public void setModelName(String modelName) {
109         _modelName = modelName;
110     }
111 
112     protected String getDefaultPage() {
113         return _PAGE;
114     }
115 
116     private static final String _TAG_CLASS =
117         "com.liferay.portal.servlet.taglib.ui.InputPermissionsTagUtil";
118 
119     private static final String _TAG_DO_END_METHOD = "doEndTag";
120 
121     private static final String _PAGE =
122         "/html/taglib/ui/input_permissions/page.jsp";
123 
124     private static Log _log = LogFactoryUtil.getLog(InputPermissionsTag.class);
125 
126     private String _formName = "fm";
127     private String _modelName = null;
128 
129 }