/*
* Copyright 2002-2016 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.
*/
package org.springframework.integration.gateway;
import org.springframework.integration.handler.AbstractReplyProducingMessageHandler;
import org.springframework.messaging.Message;
import org.springframework.messaging.MessageHandler;
import org.springframework.util.Assert;
/**
* Adapts a {@link RequestReplyExchanger} to the {@link MessageHandler} interface.
*
* @author Oleg Zhurakousky
* @author Mark Fisher
* @author Gary Russell
* @since 2.0
*/
class RequestReplyMessageHandlerAdapter extends AbstractReplyProducingMessageHandler {
private final RequestReplyExchanger exchanger;
/**
* @param exchanger
*/
RequestReplyMessageHandlerAdapter(RequestReplyExchanger exchanger) {
Assert.notNull(exchanger, "exchanger must not be null");
this.exchanger = exchanger;
}
/**
* Delegates to the exchanger.
*/
@Override
protected Object handleRequestMessage(Message<?> requestMessage) {
return this.exchanger.exchange(requestMessage);
}
}