/*
 * Copyright 2002-2006 the original author or authors.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Created on 15 Nov 2006 by Adrian Colyer
 */
package org.springframework.aop.aspectj;

import org.aspectj.lang.ProceedingJoinPoint;

/**
 * @author Adrian Colyer
 * @since 2.0
 */
public class TopsyTurvyAspect {
	
	interface Collaborator {
		void beforeAdviceFired();
		void afterReturningAdviceFired();
		void aroundAdviceFired();
	}
	
	private Collaborator collaborator;
	
	public void setCollaborator(Collaborator collaborator) {
		this.collaborator = collaborator;
	}

	public void before() {
		this.collaborator.beforeAdviceFired();
	}
	
	public void afterReturning() {
		this.collaborator.afterReturningAdviceFired();
	}
	
	public Object around(ProceedingJoinPoint pjp) throws Throwable {
		Object ret = pjp.proceed();
		this.collaborator.aroundAdviceFired();
		return ret;
	}
}