cn.taketoday.aop.framework.adapter.MethodBeforeAdviceInterceptor Maven / Gradle / Ivy
/*
* Original Author -> Harry Yang ([email protected]) https://taketoday.cn
* Copyright © TODAY & 2017 - 2022 All Rights Reserved.
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see [http://www.gnu.org/licenses/]
*/
package cn.taketoday.aop.framework.adapter;
import org.aopalliance.intercept.MethodInterceptor;
import org.aopalliance.intercept.MethodInvocation;
import java.io.Serializable;
import cn.taketoday.aop.BeforeAdvice;
import cn.taketoday.aop.MethodBeforeAdvice;
import cn.taketoday.lang.Assert;
import cn.taketoday.lang.Nullable;
/**
* Interceptor to wrap a {@link MethodBeforeAdvice}.
* Used internally by the AOP framework; application developers should not
* need to use this class directly.
*
* @author Rod Johnson
* @see AfterReturningAdviceInterceptor
* @see ThrowsAdviceInterceptor
*/
@SuppressWarnings("serial")
public class MethodBeforeAdviceInterceptor implements MethodInterceptor, BeforeAdvice, Serializable {
private final MethodBeforeAdvice advice;
/**
* Create a new MethodBeforeAdviceInterceptor for the given advice.
*
* @param advice the MethodBeforeAdvice to wrap
*/
public MethodBeforeAdviceInterceptor(MethodBeforeAdvice advice) {
Assert.notNull(advice, "Advice must not be null");
this.advice = advice;
}
@Override
@Nullable
public Object invoke(MethodInvocation mi) throws Throwable {
this.advice.before(mi);
return mi.proceed();
}
}