1   /**
2    * Copyright (c) 2000-2008 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.portal.kernel.bean;
24  
25  import java.lang.Object;
26  import java.lang.reflect.InvocationHandler;
27  import java.lang.reflect.InvocationTargetException;
28  import java.lang.reflect.Method;
29  
30  /**
31   * <a href="ReadOnlyBeanHandler.java.html"><b><i>View Source</i></b></a>
32   *
33   * @author Brian Wing Shun Chan
34   *
35   */
36  public class ReadOnlyBeanHandler implements InvocationHandler {
37  
38      public ReadOnlyBeanHandler(Object bean) {
39          _bean = bean;
40      }
41  
42      public Object invoke(Object proxy, Method method, Object[] args)
43          throws Throwable {
44  
45          if (method.getName().startsWith("set")) {
46              throw new IllegalAccessException(
47                  "Setter methods cannot be called on a read only bean");
48          }
49  
50          try {
51              return method.invoke(_bean, args);
52          }
53          catch (InvocationTargetException ite) {
54              throw ite.getTargetException();
55          }
56      }
57  
58      private Object _bean;
59  
60  }