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/**
* Class that creates messages from file payload
* Author: Marnie McCormack
* Date: 18-Jul-2006
* Time: 10:48:38
* Copyright JPMorgan Chase 2006
*/
package org.apache.qpid.example.publisher;
import org.apache.qpid.example.shared.FileUtils;
import org.apache.qpid.example.shared.Statics;
import java.io.*;
import javax.jms.*;
public class MessageFactory
{
private final Session _session;
private final String _payload;
private final String _filename;
public MessageFactory(Session session, String filename) throws MessageFactoryException
{
try
{
_filename = filename;
_payload = FileUtils.getFileContent(filename);
_session = session;
}
catch (IOException e)
{
throw new MessageFactoryException(e.toString());
}
}
/*
* Creates message and sets filename property on it
*/
public Message createEventMessage() throws JMSException
{
TextMessage msg = _session.createTextMessage();
msg.setText(_payload);
msg.setStringProperty(Statics.FILENAME_PROPERTY,new File(_filename).getName());
return msg;
}
/*
* Creates message from a string for use by the monitor
*/
public static Message createSimpleEventMessage(Session session, String textMsg) throws JMSException
{
TextMessage msg = session.createTextMessage();
msg.setText(textMsg);
return msg;
}
public Message createShutdownMessage() throws JMSException
{
return _session.createTextMessage("SHUTDOWN");
}
public Message createReportRequestMessage() throws JMSException
{
return _session.createTextMessage("REPORT");
}
public Message createReportResponseMessage(String msg) throws JMSException
{
return _session.createTextMessage(msg);
}
public boolean isShutdown(Message m)
{
return checkText(m, "SHUTDOWN");
}
public boolean isReport(Message m)
{
return checkText(m, "REPORT");
}
public Object getReport(Message m)
{
try
{
return ((TextMessage) m).getText();
}
catch (JMSException e)
{
e.printStackTrace(System.out);
return e.toString();
}
}
private static boolean checkText(Message m, String s)
{
try
{
return m instanceof TextMessage && ((TextMessage) m).getText().equals(s);
}
catch (JMSException e)
{
e.printStackTrace(System.out);
return false;
}
}
}
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