/*
 ***************************************************************************************
 *  Copyright (C) 2006 EsperTech, Inc. All rights reserved.                            *
 *  http://www.espertech.com/esper                                                     *
 *  http://www.espertech.com                                                           *
 *  ---------------------------------------------------------------------------------- *
 *  The software in this package is published under the terms of the GPL license       *
 *  a copy of which has been included with this distribution in the license.txt file.  *
 ***************************************************************************************
 */
package com.espertech.esper.example.servershell;

import com.espertech.esper.client.EPRuntime;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.jms.BytesMessage;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageListener;

public class SampleJMSMessageListener implements MessageListener {
    private static Logger log = LoggerFactory.getLogger(SampleJMSMessageListener.class);
    private EPRuntime engine;
    private int count;

    public SampleJMSMessageListener(EPRuntime engine) {
        this.engine = engine;
    }

    public void onMessage(Message message) {
        BytesMessage bytesMsg = (BytesMessage) message;
        String body = getBody(bytesMsg);

        String[] payload = body.split(",");
        String ipAddress = payload[0];
        double duration = Double.parseDouble(payload[1]);

        SampleEvent theEvent = new SampleEvent(ipAddress, duration);

        engine.sendEvent(theEvent);
        count++;
    }

    public int getCount() {
        return count;
    }

    private String getBody(BytesMessage bytesMsg) {
        try {
            long length = bytesMsg.getBodyLength();
            byte[] buf = new byte[(int) length];
            bytesMsg.readBytes(buf);
            return new String(buf);
        } catch (JMSException e) {
            String text = "Error getting message body";
            log.error(text, e);
            throw new RuntimeException(text, e);
        }
    }
}