/*
* Copyright 2007-2016 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 biz.deinum.jms.core;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import javax.jms.JMSException;
import javax.jms.Message;
import org.springframework.core.annotation.AnnotationAwareOrderComparator;
import org.springframework.jms.core.MessagePostProcessor;
/**
* Composite implementation of a {@link MessagePostProcessor}. Will iterate over the
* configured collection of processors and execute them in order. Will take the given
* ordering into account when configuring.
*
* @author Marten Deinum
*/
public class MessageProcessorComposite implements MessagePostProcessor {
private final List<MessagePostProcessor> delegates = new ArrayList<>();
public void addMessagePostProcessors(List<MessagePostProcessor> processors) {
if (processors != null) {
this.delegates.addAll(processors);
}
Collections.sort(this.delegates, AnnotationAwareOrderComparator.INSTANCE);
}
@Override
public Message postProcessMessage(Message message) throws JMSException {
Message msg = message;
for (MessagePostProcessor delegate : delegates) {
msg = delegate.postProcessMessage(msg);
}
return msg;
}
}