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.portal.kernel.bean;
21  
22  import java.lang.Object;
23  import java.lang.reflect.InvocationHandler;
24  import java.lang.reflect.InvocationTargetException;
25  import java.lang.reflect.Method;
26  
27  /**
28   * <a href="ReadOnlyBeanHandler.java.html"><b><i>View Source</i></b></a>
29   *
30   * @author Brian Wing Shun Chan
31   *
32   */
33  public class ReadOnlyBeanHandler implements InvocationHandler {
34  
35      public ReadOnlyBeanHandler(Object bean) {
36          _bean = bean;
37      }
38  
39      public Object invoke(Object proxy, Method method, Object[] args)
40          throws Throwable {
41  
42          if (method.getName().startsWith("set")) {
43              throw new IllegalAccessException(
44                  "Setter methods cannot be called on a read only bean");
45          }
46  
47          try {
48              return method.invoke(_bean, args);
49          }
50          catch (InvocationTargetException ite) {
51              throw ite.getTargetException();
52          }
53      }
54  
55      private Object _bean;
56  
57  }