1   /**
2    * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
3    *
4    * The contents of this file are subject to the terms of the Liferay Enterprise
5    * Subscription License ("License"). You may not use this file except in
6    * compliance with the License. You can obtain a copy of the License by
7    * contacting Liferay, Inc. See the License for the specific language governing
8    * permissions and limitations under the License, including but not limited to
9    * distribution rights of the Software.
10   *
11   *
12   * 
13   */
14  
15  package com.liferay.taglib.security;
16  
17  import com.liferay.portal.kernel.log.Log;
18  import com.liferay.portal.kernel.log.LogFactoryUtil;
19  import com.liferay.portal.kernel.util.BooleanWrapper;
20  import com.liferay.portal.kernel.util.MethodInvoker;
21  import com.liferay.portal.kernel.util.MethodWrapper;
22  import com.liferay.portal.kernel.util.NullWrapper;
23  import com.liferay.portal.kernel.util.PortalClassLoaderUtil;
24  import com.liferay.portal.kernel.util.StringPool;
25  
26  import javax.servlet.jsp.JspException;
27  import javax.servlet.jsp.PageContext;
28  import javax.servlet.jsp.tagext.TagSupport;
29  
30  /**
31   * <a href="PermissionsURLTag.java.html"><b><i>View Source</i></b></a>
32   *
33   * @author Brian Wing Shun Chan
34   */
35  public class PermissionsURLTag extends TagSupport {
36  
37      public static String doTag(
38              String redirect, String modelResource,
39              String modelResourceDescription, String resourcePrimKey, String var,
40              boolean writeOutput, PageContext pageContext)
41          throws Exception {
42  
43          Object returnObj = null;
44  
45          Thread currentThread = Thread.currentThread();
46  
47          ClassLoader contextClassLoader = currentThread.getContextClassLoader();
48  
49          try {
50              currentThread.setContextClassLoader(
51                  PortalClassLoaderUtil.getClassLoader());
52  
53              Object redirectWrapper = redirect;
54  
55              if (redirectWrapper == null) {
56                  redirectWrapper = new NullWrapper(String.class.getName());
57              }
58  
59              Object varWrapper = var;
60  
61              if (varWrapper == null) {
62                  varWrapper = new NullWrapper(String.class.getName());
63              }
64  
65              MethodWrapper methodWrapper = new MethodWrapper(
66                  _TAG_CLASS, _TAG_DO_END_METHOD,
67                  new Object[] {
68                      redirectWrapper, modelResource, modelResourceDescription,
69                      resourcePrimKey, varWrapper,
70                      new BooleanWrapper(writeOutput), pageContext
71                  });
72  
73              returnObj = MethodInvoker.invoke(methodWrapper);
74          }
75          catch (Exception e) {
76              _log.error(e, e);
77          }
78          finally {
79              currentThread.setContextClassLoader(contextClassLoader);
80          }
81  
82          if (returnObj != null) {
83              return returnObj.toString();
84          }
85          else {
86              return StringPool.BLANK;
87          }
88      }
89  
90      public int doEndTag() throws JspException {
91          try {
92              doTag(
93                  _redirect, _modelResource, _modelResourceDescription,
94                  _resourcePrimKey, _var, true, pageContext);
95          }
96          catch (Exception e) {
97              if (e instanceof JspException) {
98                  throw (JspException)e;
99              }
100             else {
101                 throw new JspException(e);
102             }
103         }
104 
105         return EVAL_PAGE;
106     }
107 
108     public void setRedirect(String redirect) {
109         _redirect = redirect;
110     }
111 
112     public void setModelResource(String modelResource) {
113         _modelResource = modelResource;
114     }
115 
116     public void setModelResourceDescription(String modelResourceDescription) {
117         _modelResourceDescription = modelResourceDescription;
118     }
119 
120     public void setResourcePrimKey(String resourcePrimKey) {
121         _resourcePrimKey = resourcePrimKey;
122     }
123 
124     public void setVar(String var) {
125         _var = var;
126     }
127 
128     private static final String _TAG_CLASS =
129         "com.liferay.portal.servlet.taglib.security.PermissionsURLTagUtil";
130 
131     private static final String _TAG_DO_END_METHOD = "doEndTag";
132 
133     private static Log _log = LogFactoryUtil.getLog(PermissionsURLTag.class);
134 
135     private String _redirect;
136     private String _modelResource;
137     private String _modelResourceDescription;
138     private String _resourcePrimKey;
139     private String _var;
140 
141 }