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/*
* 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.disttest.client;
import java.lang.reflect.InvocationTargetException;
import java.util.Map;
import java.util.Map.Entry;
import java.util.concurrent.Callable;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.Future;
import java.util.concurrent.FutureTask;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.Session;
import javax.jms.TextMessage;
import org.apache.commons.beanutils.BeanUtils;
import org.apache.commons.lang.StringUtils;
import org.apache.qpid.disttest.DistributedTestException;
import org.apache.qpid.disttest.client.property.PropertyValue;
import org.apache.qpid.disttest.message.CreateProducerCommand;
public class MessageProvider
{
public static final String TTL = "ttl";
public static final String DELIVERY_MODE = "deliveryMode";
public static final String PRIORITY = "priority";
public static final String[] STANDARD_JMS_PROPERTIES = { "correlationID", DELIVERY_MODE,
"expiration", "messageID", PRIORITY, "redelivered", "replyTo", "timestamp", "type", TTL };
private Map<String, PropertyValue> _messageProperties;
private ConcurrentMap<Integer, Future<String>> _payloads;
public MessageProvider(Map<String, PropertyValue> messageProperties)
{
_messageProperties = messageProperties;
_payloads = new ConcurrentHashMap<Integer, Future<String>>();
}
public Message nextMessage(Session session, CreateProducerCommand command) throws JMSException
{
Message message = createTextMessage(session, command);
setMessageProperties(message);
return message;
}
public boolean isPropertySet(String name)
{
return _messageProperties != null && _messageProperties.containsKey(name);
}
public void setMessageProperties(Message message) throws JMSException
{
if (_messageProperties != null)
{
for (Entry<String, PropertyValue> entry : _messageProperties.entrySet())
{
String propertyName = entry.getKey();
Object propertyValue = entry.getValue().getValue();
if (isStandardProperty(propertyName))
{
setStandardProperty(message, propertyName, propertyValue);
}
else
{
setCustomProperty(message, propertyName, propertyValue);
}
}
}
}
protected void setCustomProperty(Message message, String propertyName, Object propertyValue) throws JMSException
{
if (propertyValue instanceof Integer)
{
message.setIntProperty(propertyName, ((Integer) propertyValue).intValue());
}
else if (propertyValue instanceof Long)
{
message.setLongProperty(propertyName, ((Long) propertyValue).longValue());
}
else if (propertyValue instanceof Boolean)
{
message.setBooleanProperty(propertyName, ((Boolean) propertyValue).booleanValue());
}
else if (propertyValue instanceof Byte)
{
message.setByteProperty(propertyName, ((Byte) propertyValue).byteValue());
}
else if (propertyValue instanceof Double)
{
message.setDoubleProperty(propertyName, ((Double) propertyValue).doubleValue());
}
else if (propertyValue instanceof Float)
{
message.setFloatProperty(propertyName, ((Float) propertyValue).floatValue());
}
else if (propertyValue instanceof Short)
{
message.setShortProperty(propertyName, ((Short) propertyValue).shortValue());
}
else if (propertyValue instanceof String)
{
message.setStringProperty(propertyName, (String) propertyValue);
}
else
{
message.setObjectProperty(propertyName, propertyValue);
}
}
protected void setStandardProperty(Message message, String property, Object propertyValue) throws JMSException
{
String propertyName = "JMS" + StringUtils.capitalize(property);
try
{
BeanUtils.setProperty(message, propertyName, propertyValue);
}
catch (IllegalAccessException e)
{
throw new DistributedTestException("Unable to set property " + propertyName + " :" + e.getMessage(), e);
}
catch (InvocationTargetException e)
{
if (e.getCause() instanceof JMSException)
{
throw ((JMSException) e.getCause());
}
else
{
throw new DistributedTestException("Unable to set property " + propertyName + " :" + e.getMessage(), e);
}
}
}
protected boolean isStandardProperty(String propertyName)
{
for (int i = 0; i < STANDARD_JMS_PROPERTIES.length; i++)
{
if (propertyName.equals(STANDARD_JMS_PROPERTIES[i]))
{
return true;
}
}
return false;
}
protected Message createTextMessage(Session ssn, final CreateProducerCommand command) throws JMSException
{
String payload = getMessagePayload(command);
TextMessage msg = ssn.createTextMessage();
msg.setText(payload);
return msg;
}
protected String getMessagePayload(final CreateProducerCommand command)
{
FutureTask<String> createTextFuture = new FutureTask<String>(new Callable<String>()
{
@Override
public String call() throws Exception
{
return StringUtils.repeat("a", command.getMessageSize());
}
});
Future<String> future = _payloads.putIfAbsent(command.getMessageSize(), createTextFuture);
if (future == null)
{
createTextFuture.run();
future = createTextFuture;
}
String payload = null;
try
{
payload = future.get();
}
catch (Exception e)
{
throw new DistributedTestException("Unable to create message payload :" + e.getMessage(), e);
}
return payload;
}
@Override
public String toString()
{
return "MessageProvider [_messageProperties=" + _messageProperties + "]";
}
}
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