com.samples.platform.util.AggregatorGetReferenceData.java Source code

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Here is the source code for com.samples.platform.util.AggregatorGetReferenceData.java

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/*******************************************************************************
 * Copyright (c) 2013 - 2016 QPark Consulting  S.a r.l.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0.
 * The Eclipse Public License is available at
 * http://www.eclipse.org/legal/epl-v10.html.
 ******************************************************************************/
package com.samples.platform.util;

import java.util.Collection;

import javax.xml.bind.JAXBElement;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.integration.support.MessageBuilder;
import org.springframework.messaging.Message;

import com.qpark.eip.core.spring.AbstractAggregator;
import com.qpark.eip.service.common.msg.GetReferenceDataResponseType;

/**
 * Aggregate the messages of the get reference data.
 *
 * @author bhausen
 */
public class AggregatorGetReferenceData extends AbstractAggregator {
    /** The {@link org.slf4j.Logger}. */
    private Logger logger = LoggerFactory.getLogger(AggregatorGetReferenceData.class);

    /**
     * Aggregate the messages.
     *
     * @param messages
     *            The list of {@link GetReferenceDataResponseType} containing
     *            messages.
     * @return One Message with the content of all messages.
     */
    public Message<?> aggregate(final Collection<Message<JAXBElement<GetReferenceDataResponseType>>> messages) {
        this.logger.trace("+aggregate {}", messages != null ? messages.size() : " collection of messages is null");
        JAXBElement<GetReferenceDataResponseType> response = null;
        if (messages != null) {
            for (Message<JAXBElement<GetReferenceDataResponseType>> message : messages) {
                if (response == null) {
                    response = message.getPayload();
                } else {
                    JAXBElement<GetReferenceDataResponseType> payload = message.getPayload();
                    response.getValue().getReferenceData().addAll(payload.getValue().getReferenceData());
                    response.getValue().getFailure().addAll(payload.getValue().getFailure());
                }
            }
        }
        MessageBuilder<JAXBElement<GetReferenceDataResponseType>> m = MessageBuilder.withPayload(response);
        this.logger.trace("-aggregate {}", messages != null ? messages.size() : " collection of messages is null");
        return m.build();
    }
}