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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.server.protocol.converter.v0_8_v0_10;
import java.nio.ByteBuffer;
import java.util.HashMap;
import java.util.Map;
import org.apache.qpid.AMQPInvalidClassException;
import org.apache.qpid.exchange.ExchangeDefaults;
import org.apache.qpid.framing.AMQShortString;
import org.apache.qpid.framing.BasicContentHeaderProperties;
import org.apache.qpid.framing.ContentHeaderBody;
import org.apache.qpid.framing.FieldTable;
import org.apache.qpid.framing.MessagePublishInfo;
import org.apache.qpid.server.exchange.ExchangeImpl;
import org.apache.qpid.server.plugin.MessageConverter;
import org.apache.qpid.server.plugin.PluggableService;
import org.apache.qpid.server.protocol.v0_10.MessageTransferMessage;
import org.apache.qpid.server.protocol.v0_8.AMQMessage;
import org.apache.qpid.server.protocol.v0_8.MessageMetaData;
import org.apache.qpid.server.store.StoredMessage;
import org.apache.qpid.server.virtualhost.VirtualHostImpl;
import org.apache.qpid.transport.DeliveryProperties;
import org.apache.qpid.transport.Header;
import org.apache.qpid.transport.MessageDeliveryMode;
import org.apache.qpid.transport.MessageProperties;
import org.apache.qpid.transport.ReplyTo;
@PluggableService
public class MessageConverter_0_10_to_0_8 implements MessageConverter<MessageTransferMessage, AMQMessage>
{
private static final int BASIC_CLASS_ID = 60;
public static BasicContentHeaderProperties convertContentHeaderProperties(MessageTransferMessage messageTransferMessage,
VirtualHostImpl vhost)
{
BasicContentHeaderProperties props = new BasicContentHeaderProperties();
Header header = messageTransferMessage.getHeader();
DeliveryProperties deliveryProps = header.getDeliveryProperties();
MessageProperties messageProps = header.getMessageProperties();
if(deliveryProps != null)
{
if(deliveryProps.hasDeliveryMode())
{
props.setDeliveryMode((deliveryProps.getDeliveryMode() == MessageDeliveryMode.PERSISTENT
? BasicContentHeaderProperties.PERSISTENT
: BasicContentHeaderProperties.NON_PERSISTENT));
}
if(deliveryProps.hasExpiration())
{
props.setExpiration(deliveryProps.getExpiration());
}
if(deliveryProps.hasPriority())
{
props.setPriority((byte) deliveryProps.getPriority().getValue());
}
if(deliveryProps.hasTimestamp())
{
props.setTimestamp(deliveryProps.getTimestamp());
}
}
if(messageProps != null)
{
if(messageProps.hasAppId())
{
props.setAppId(new AMQShortString(messageProps.getAppId()));
}
if(messageProps.hasContentType())
{
props.setContentType(messageProps.getContentType());
}
if(messageProps.hasCorrelationId())
{
props.setCorrelationId(new AMQShortString(messageProps.getCorrelationId()));
}
if(messageProps.hasContentEncoding())
{
props.setEncoding(messageProps.getContentEncoding());
}
if(messageProps.hasMessageId())
{
props.setMessageId("ID:" + messageProps.getMessageId().toString());
}
if(messageProps.hasReplyTo())
{
ReplyTo replyTo = messageProps.getReplyTo();
String exchangeName = replyTo.getExchange();
String routingKey = replyTo.getRoutingKey();
if(exchangeName == null)
{
exchangeName = "";
}
ExchangeImpl exchange = vhost.getExchange(exchangeName);
String exchangeClass = exchange == null
? ExchangeDefaults.DIRECT_EXCHANGE_CLASS
: exchange.getType();
props.setReplyTo(exchangeClass + "://" + exchangeName + "//?routingkey='" + (routingKey == null
? ""
: routingKey + "'"));
}
if(messageProps.hasUserId())
{
props.setUserId(new AMQShortString(messageProps.getUserId()));
}
if(messageProps.hasApplicationHeaders())
{
Map<String, Object> appHeaders = new HashMap<String, Object>(messageProps.getApplicationHeaders());
if(messageProps.getApplicationHeaders().containsKey("x-jms-type"))
{
props.setType(String.valueOf(appHeaders.remove("x-jms-type")));
}
FieldTable ft = new FieldTable();
for(Map.Entry<String, Object> entry : appHeaders.entrySet())
{
try
{
ft.put(AMQShortString.validValueOf(entry.getKey()), entry.getValue());
}
catch (AMQPInvalidClassException e)
{
// TODO
// log here, but ignore - just can;t convert
}
}
props.setHeaders(ft);
}
}
return props;
}
@Override
public Class<MessageTransferMessage> getInputClass()
{
return MessageTransferMessage.class;
}
@Override
public Class<AMQMessage> getOutputClass()
{
return AMQMessage.class;
}
@Override
public AMQMessage convert(MessageTransferMessage message, VirtualHostImpl vhost)
{
return new AMQMessage(convertToStoredMessage(message, vhost));
}
private StoredMessage<MessageMetaData> convertToStoredMessage(final MessageTransferMessage message,
VirtualHostImpl vhost)
{
final MessageMetaData metaData = convertMetaData(message, vhost);
return new StoredMessage<org.apache.qpid.server.protocol.v0_8.MessageMetaData>()
{
@Override
public MessageMetaData getMetaData()
{
return metaData;
}
@Override
public long getMessageNumber()
{
return message.getMessageNumber();
}
@Override
public void addContent(int offsetInMessage, ByteBuffer src)
{
throw new UnsupportedOperationException();
}
@Override
public int getContent(int offsetInMessage, ByteBuffer dst)
{
return message.getContent(dst, offsetInMessage);
}
@Override
public ByteBuffer getContent(int offsetInMessage, int size)
{
return message.getContent(offsetInMessage, size);
}
@Override
public void remove()
{
throw new UnsupportedOperationException();
}
@Override
public boolean isInMemory()
{
return true;
}
@Override
public boolean flowToDisk()
{
return false;
}
};
}
private MessageMetaData convertMetaData(MessageTransferMessage message, VirtualHostImpl vhost)
{
return new MessageMetaData(convertPublishBody(message),
convertContentHeaderBody(message, vhost),
message.getArrivalTime());
}
private ContentHeaderBody convertContentHeaderBody(MessageTransferMessage message, VirtualHostImpl vhost)
{
BasicContentHeaderProperties props = convertContentHeaderProperties(message, vhost);
ContentHeaderBody chb = new ContentHeaderBody(props, BASIC_CLASS_ID);
chb.setBodySize(message.getSize());
return chb;
}
private MessagePublishInfo convertPublishBody(MessageTransferMessage message)
{
DeliveryProperties delvProps = message.getHeader().getDeliveryProperties();
final AMQShortString exchangeName = (delvProps == null || delvProps.getExchange() == null)
? null
: new AMQShortString(delvProps.getExchange());
final AMQShortString routingKey = (delvProps == null || delvProps.getRoutingKey() == null)
? null
: new AMQShortString(delvProps.getRoutingKey());
final boolean immediate = delvProps != null && delvProps.getImmediate();
final boolean mandatory = delvProps != null && !delvProps.getDiscardUnroutable();
return new MessagePublishInfo(exchangeName, immediate, mandatory, routingKey);
}
@Override
public String getType()
{
return "v0-10 to v0-8";
}
}
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