com.apress.prospringintegration.messagehistory.MessageHistoryApp.java Source code

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Here is the source code for com.apress.prospringintegration.messagehistory.MessageHistoryApp.java

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/*
 * Copyright 2002-2011 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 com.apress.prospringintegration.messagehistory;

import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.integration.Message;
import org.springframework.integration.MessageChannel;
import org.springframework.integration.core.PollableChannel;
import org.springframework.integration.history.MessageHistory;
import org.springframework.integration.support.MessageBuilder;

import java.util.Iterator;
import java.util.Properties;

public class MessageHistoryApp {
    public static void main(String[] args) {
        ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext(
                "classpath:messagehistory/message-history-context.xml");

        MessageChannel input = context.getBean("input", MessageChannel.class);

        PollableChannel output = context.getBean("output", PollableChannel.class);
        input.send(MessageBuilder.withPayload("Pro Spring Integration Example").build());
        Message<?> reply = output.receive();

        Iterator<Properties> historyIterator = reply.getHeaders()
                .get(MessageHistory.HEADER_NAME, MessageHistory.class).iterator();

        while (historyIterator.hasNext()) {
            Properties properties = historyIterator.next();
            System.out.println(properties);
        }

        System.out.println("received: " + reply);
    }
}