/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.qpid.topic;
import javax.jms.*;
import org.apache.qpid.client.AMQSession;
import org.apache.qpid.client.AMQTopic;
import org.apache.qpid.exchange.ExchangeDefaults;
/**
*/
class MessageFactory
{
private static final char[] DATA = "abcdefghijklmnopqrstuvwxyz".toCharArray();
private final Session _session;
private final Topic _topic;
private final Topic _control;
private final byte[] _payload;
MessageFactory(Session session) throws JMSException
{
this(session, 256);
}
MessageFactory(Session session, int size) throws JMSException
{
_session = session;
if (session instanceof AMQSession)
{
_topic = new AMQTopic(ExchangeDefaults.TOPIC_EXCHANGE_NAME, "topic_control");
_control = new AMQTopic(ExchangeDefaults.TOPIC_EXCHANGE_NAME, "topictest.control");
}
else
{
_topic = session.createTopic("topic_control");
_control = session.createTopic("topictest.control");
}
_payload = new byte[size];
for (int i = 0; i < size; i++)
{
_payload[i] = (byte) DATA[i % DATA.length];
}
}
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;
}
}
Topic getTopic()
{
return _topic;
}
Message createEventMessage() throws JMSException
{
BytesMessage msg = _session.createBytesMessage();
msg.writeBytes(_payload);
return msg;
}
Message createShutdownMessage() throws JMSException
{
return _session.createTextMessage("SHUTDOWN");
}
Message createReportRequestMessage() throws JMSException
{
return _session.createTextMessage("REPORT");
}
Message createReportResponseMessage(String msg) throws JMSException
{
return _session.createTextMessage(msg);
}
boolean isShutdown(Message m)
{
return checkText(m, "SHUTDOWN");
}
boolean isReport(Message m)
{
return checkText(m, "REPORT");
}
Object getReport(Message m)
{
try
{
return ((TextMessage) m).getText();
}
catch (JMSException e)
{
e.printStackTrace(System.out);
return e.toString();
}
}
MessageConsumer createTopicConsumer() throws Exception
{
return _session.createConsumer(_topic);
}
MessageConsumer createDurableTopicConsumer(String name) throws Exception
{
return _session.createDurableSubscriber(_topic, name);
}
MessageConsumer createControlConsumer() throws Exception
{
return _session.createConsumer(_control);
}
MessageProducer createTopicPublisher() throws Exception
{
return _session.createProducer(_topic);
}
MessageProducer createControlPublisher() throws Exception
{
return _session.createProducer(_control);
}
}