ReadOnlyBeanHandler.java |
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 }