com.jmstoolkit.pipeline.plugin.Echo.java Source code

Introduction

Here is the source code for com.jmstoolkit.pipeline.plugin.Echo.java

Source

/*
 * Copyright 2011, Scott Douglass <scott@swdouglass.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
 * on the World Wide Web for more details:
 * http://www.fsf.org/licensing/licenses/gpl.txt
 */
package com.jmstoolkit.pipeline.plugin;

import com.jmstoolkit.pipeline.AbstractPlugin;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.jms.ConnectionFactory;
import javax.jms.Destination;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.TextMessage;
import javax.naming.NamingException;
import org.springframework.jndi.JndiTemplate;

/**
 *
 * @author Scott Douglass
 */
public class Echo extends AbstractPlugin {
    private static final Logger LOGGER = Logger.getLogger(Echo.class.getName());

    /**
     *
     * @param pluginName name of the plugin
     * @param inConfig configuration for plugin
     * @param inputName JMS input Destination
     * @param outputName JMS output Destination
     * @param errorsName JMS errors Destination
     * @param connectionFactory JMS ConnectionFactory
     * @param inJndiTemplate Spring JndiTemplate
     */
    public Echo(final String pluginName, final String inConfig, final String inputName, final String outputName,
            final String errorsName, final ConnectionFactory connectionFactory, final JndiTemplate inJndiTemplate) {
        super();
        this.jndiTemplate = inJndiTemplate;
        setName(pluginName);
        setInName(inputName);
        setOutName(outputName);
        setReplyToName(errorsName);
        try {
            setInput((Destination) getJndiTemplate().lookup(inputName, Destination.class));
            setOutput((Destination) getJndiTemplate().lookup(outputName, Destination.class));
            setReplyTo((Destination) getJndiTemplate().lookup(errorsName, Destination.class));
            //
            getJmsTemplate().setConnectionFactory(connectionFactory);
            getJmsTemplate().setDefaultDestination(getOutput());
            //
        } catch (NamingException ex) {
            LOGGER.log(Level.SEVERE, "Bad JNDI name for Destination: " + getName(), ex);
            setStatus(STATUS_FAILED);
        }
    }

    @Override
    public final void onMessage(final Message inMessage) {
        try {
            if (inMessage instanceof TextMessage) {
                getJmsTemplate().convertAndSend((Object) ((TextMessage) inMessage).getText(),
                        new BasicMessageProcessor(inMessage.getJMSCorrelationID()));
            } else {
                getJmsTemplate().convertAndSend((Object) "Non-text message received by Echo",
                        new BasicMessageProcessor(inMessage.getJMSCorrelationID()));
            }
            this.operationCount++;
        } catch (JMSException ex) {
            LOGGER.log(Level.SEVERE, "Echo had JMS failure onMessage!", ex);
        }
    }

}