001/* 002 * Copyright 2002-2012 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * https://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.cache.interceptor; 018 019import java.io.Serializable; 020import java.lang.reflect.Method; 021 022import org.aopalliance.intercept.MethodInterceptor; 023import org.aopalliance.intercept.MethodInvocation; 024 025/** 026 * AOP Alliance MethodInterceptor for declarative cache 027 * management using the common Spring caching infrastructure 028 * ({@link org.springframework.cache.Cache}). 029 * 030 * <p>Derives from the {@link CacheAspectSupport} class which 031 * contains the integration with Spring's underlying caching API. 032 * CacheInterceptor simply calls the relevant superclass methods 033 * in the correct order. 034 * 035 * <p>CacheInterceptors are thread-safe. 036 * 037 * @author Costin Leau 038 * @author Juergen Hoeller 039 * @since 3.1 040 */ 041@SuppressWarnings("serial") 042public class CacheInterceptor extends CacheAspectSupport implements MethodInterceptor, Serializable { 043 044 @Override 045 public Object invoke(final MethodInvocation invocation) throws Throwable { 046 Method method = invocation.getMethod(); 047 048 CacheOperationInvoker aopAllianceInvoker = new CacheOperationInvoker() { 049 @Override 050 public Object invoke() { 051 try { 052 return invocation.proceed(); 053 } 054 catch (Throwable ex) { 055 throw new ThrowableWrapper(ex); 056 } 057 } 058 }; 059 060 try { 061 return execute(aopAllianceInvoker, invocation.getThis(), method, invocation.getArguments()); 062 } 063 catch (CacheOperationInvoker.ThrowableWrapper th) { 064 throw th.getOriginal(); 065 } 066 } 067 068}