1   /**
2    * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
3    *
4    * This library is free software; you can redistribute it and/or modify it under
5    * the terms of the GNU Lesser General Public License as published by the Free
6    * Software Foundation; either version 2.1 of the License, or (at your option)
7    * any later version.
8    *
9    * This library is distributed in the hope that it will be useful, but WITHOUT
10   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11   * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
12   * details.
13   */
14  
15  package com.liferay.portal.kernel.bean;
16  
17  import java.lang.Object;
18  import java.lang.reflect.InvocationHandler;
19  import java.lang.reflect.InvocationTargetException;
20  import java.lang.reflect.Method;
21  
22  /**
23   * <a href="ReadOnlyBeanHandler.java.html"><b><i>View Source</i></b></a>
24   *
25   * @author Brian Wing Shun Chan
26   */
27  public class ReadOnlyBeanHandler implements InvocationHandler {
28  
29      public ReadOnlyBeanHandler(Object bean) {
30          _bean = bean;
31      }
32  
33      public Object invoke(Object proxy, Method method, Object[] args)
34          throws Throwable {
35  
36          if (method.getName().startsWith("set")) {
37              throw new IllegalAccessException(
38                  "Setter methods cannot be called on a read only bean");
39          }
40  
41          try {
42              return method.invoke(_bean, args);
43          }
44          catch (InvocationTargetException ite) {
45              throw ite.getTargetException();
46          }
47      }
48  
49      private Object _bean;
50  
51  }