org.springframework.integration.aop.AbstractMessageSourceAdvice Maven / Gradle / Ivy
/*
* Copyright 2015-2019 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
*
* https://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.
*/
package org.springframework.integration.aop;
import org.aopalliance.intercept.MethodInterceptor;
import org.aopalliance.intercept.MethodInvocation;
import org.springframework.integration.core.MessageSource;
import org.springframework.messaging.Message;
/**
* Advice for a {@link MessageSource#receive()} method to decide whether a poll
* should be ignored and/or take action after the receive.
*
* @author Gary Russell
*
* @since 4.2
*/
public abstract class AbstractMessageSourceAdvice implements MethodInterceptor, MessageSourceMutator {
@Override
public final Object invoke(MethodInvocation invocation) throws Throwable {
Object target = invocation.getThis();
if (!(target instanceof MessageSource)) {
return invocation.proceed();
}
Message result = null;
if (beforeReceive((MessageSource) target)) {
result = (Message) invocation.proceed();
}
return afterReceive(result, (MessageSource) target);
}
}