org.springframework.integration.handler.advice.AbstractHandleMessageAdvice Maven / Gradle / Ivy
/*
* Copyright 2016-2019 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.handler.advice;
import java.lang.reflect.Method;
import org.aopalliance.intercept.MethodInvocation;
import org.springframework.integration.context.IntegrationObjectSupport;
import org.springframework.messaging.Message;
import org.springframework.messaging.MessageHandler;
/**
* The base {@link HandleMessageAdvice} for advices which can be applied only
* for the {@link MessageHandler#handleMessage(Message)}.
*
* @author Artem Bilan
* @author Gary Russell
*
* @since 4.3.1
*/
public abstract class AbstractHandleMessageAdvice extends IntegrationObjectSupport implements HandleMessageAdvice {
@Override
public final Object invoke(MethodInvocation invocation) throws Throwable { // NOSONAR
Method method = invocation.getMethod();
Object invocationThis = invocation.getThis();
Object[] arguments = invocation.getArguments();
boolean isMessageHandler = invocationThis instanceof MessageHandler;
boolean isMessageMethod = method.getName().equals("handleMessage")
&& (arguments.length == 1 && arguments[0] instanceof Message);
if (!isMessageHandler || !isMessageMethod) {
if (this.logger.isWarnEnabled()) {
String clazzName = invocationThis == null
? method.getDeclaringClass().getName()
: invocationThis.getClass().getName();
this.logger.warn("This advice " + getClass().getName() +
" can only be used for MessageHandlers; an attempt to advise method '"
+ method.getName() + "' in '" + clazzName + "' is ignored.");
}
return invocation.proceed();
}
Message message = (Message) arguments[0];
return doInvoke(invocation, message);
}
protected abstract Object doInvoke(MethodInvocation invocation, Message message) throws Throwable; // NOSONAR
}