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