1   /**
2    * Copyright (c) 2000-2009 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   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
12   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
14   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
15   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
16   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
17   * SOFTWARE.
18   */
19  
20  package com.liferay.taglib.ui;
21  
22  import com.liferay.portal.kernel.log.Log;
23  import com.liferay.portal.kernel.log.LogFactoryUtil;
24  import com.liferay.portal.kernel.util.MethodInvoker;
25  import com.liferay.portal.kernel.util.MethodWrapper;
26  import com.liferay.portal.kernel.util.PortalClassLoaderUtil;
27  import com.liferay.portal.kernel.util.StringPool;
28  import com.liferay.taglib.util.IncludeTag;
29  
30  import javax.servlet.jsp.JspException;
31  import javax.servlet.jsp.PageContext;
32  
33  /**
34   * <a href="InputPermissionsTag.java.html"><b><i>View Source</i></b></a>
35   *
36   * @author Brian Wing Shun Chan
37   * @author Wilson S. Man
38   *
39   */
40  public class InputPermissionsTag extends IncludeTag {
41  
42      public static String doTag(
43              String formName, String modelName, PageContext pageContext)
44          throws Exception {
45  
46          return doTag(_PAGE, formName, modelName, pageContext);
47      }
48  
49      public static String doTag(
50              String page, String formName, String modelName,
51              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, formName, modelName, 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(), _formName, _modelName, 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 setFormName(String formName) {
102         _formName = formName;
103     }
104 
105     public void setModelName(String modelName) {
106         _modelName = modelName;
107     }
108 
109     protected String getDefaultPage() {
110         return _PAGE;
111     }
112 
113     private static final String _TAG_CLASS =
114         "com.liferay.portal.servlet.taglib.ui.InputPermissionsTagUtil";
115 
116     private static final String _TAG_DO_END_METHOD = "doEndTag";
117 
118     private static final String _PAGE =
119         "/html/taglib/ui/input_permissions/page.jsp";
120 
121     private static Log _log = LogFactoryUtil.getLog(InputPermissionsTag.class);
122 
123     private String _formName = "fm";
124     private String _modelName = null;
125 
126 }