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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_v1_0;
import java.nio.ByteBuffer;
import java.util.LinkedHashMap;
import java.util.Map;
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.abstraction.MessagePublishInfo;
import org.apache.qpid.server.plugin.MessageConverter;
import org.apache.qpid.server.plugin.PluggableService;
import org.apache.qpid.server.protocol.v0_8.AMQMessage;
import org.apache.qpid.server.protocol.v0_8.MessageMetaData;
import org.apache.qpid.server.protocol.v1_0.MessageConverter_from_1_0;
import org.apache.qpid.server.protocol.v1_0.MessageMetaData_1_0;
import org.apache.qpid.server.protocol.v1_0.Message_1_0;
import org.apache.qpid.server.store.StoredMessage;
import org.apache.qpid.server.virtualhost.VirtualHostImpl;
@PluggableService
public class MessageConverter_1_0_to_v0_8 implements MessageConverter<Message_1_0, AMQMessage>
{
private static final int BASIC_CLASS_ID = 60;
public Class<Message_1_0> getInputClass()
{
return Message_1_0.class;
}
@Override
public Class<AMQMessage> getOutputClass()
{
return AMQMessage.class;
}
@Override
public AMQMessage convert(Message_1_0 serverMsg, VirtualHostImpl vhost)
{
return new AMQMessage(convertToStoredMessage(serverMsg), null);
}
private StoredMessage<MessageMetaData> convertToStoredMessage(final Message_1_0 serverMsg)
{
Object bodyObject = MessageConverter_from_1_0.convertBodyToObject(serverMsg);
final byte[] messageContent = MessageConverter_from_1_0.convertToBody(bodyObject);
final MessageMetaData messageMetaData_0_8 = convertMetaData(serverMsg,
MessageConverter_from_1_0.getBodyMimeType(bodyObject),
messageContent.length);
return new StoredMessage<MessageMetaData>()
{
@Override
public MessageMetaData getMetaData()
{
return messageMetaData_0_8;
}
@Override
public long getMessageNumber()
{
return serverMsg.getMessageNumber();
}
@Override
public void addContent(int offsetInMessage, ByteBuffer src)
{
throw new UnsupportedOperationException();
}
@Override
public int getContent(int offsetInMessage, ByteBuffer dst)
{
int size = messageContent.length - offsetInMessage;
if(dst.remaining() < size)
{
size = dst.remaining();
}
ByteBuffer buf = ByteBuffer.wrap(messageContent, offsetInMessage, size);
dst.put(buf);
return size;
}
@Override
public ByteBuffer getContent(int offsetInMessage, int size)
{
return ByteBuffer.wrap(messageContent, offsetInMessage, size);
}
@Override
public void remove()
{
throw new UnsupportedOperationException();
}
@Override
public boolean isInMemory()
{
return true;
}
@Override
public boolean flowToDisk()
{
return false;
}
};
}
private MessageMetaData convertMetaData(final Message_1_0 serverMsg, final String bodyMimeType, final int size)
{
MessagePublishInfo publishInfo = new MessagePublishInfo()
{
@Override
public AMQShortString getExchange()
{
return null;
}
@Override
public void setExchange(final AMQShortString amqShortString)
{
throw new UnsupportedOperationException();
}
@Override
public boolean isImmediate()
{
return false;
}
@Override
public boolean isMandatory()
{
return false;
}
@Override
public AMQShortString getRoutingKey()
{
MessageMetaData_1_0.MessageHeader_1_0 header =
serverMsg.getMessageHeader();
String key = header.getTo();
if(key == null)
{
key = header.getSubject();
}
return AMQShortString.valueOf(key);
}
};
final BasicContentHeaderProperties props = new BasicContentHeaderProperties();
props.setAppId(serverMsg.getMessageHeader().getAppId());
props.setContentType(bodyMimeType);
props.setCorrelationId(serverMsg.getMessageHeader().getCorrelationId());
props.setDeliveryMode(serverMsg.isPersistent() ? BasicContentHeaderProperties.PERSISTENT : BasicContentHeaderProperties.NON_PERSISTENT);
props.setExpiration(serverMsg.getExpiration());
props.setMessageId(serverMsg.getMessageHeader().getMessageId());
props.setPriority(serverMsg.getMessageHeader().getPriority());
props.setReplyTo(serverMsg.getMessageHeader().getReplyTo());
props.setTimestamp(serverMsg.getMessageHeader().getTimestamp());
props.setUserId(serverMsg.getMessageHeader().getUserId());
Map<String,Object> headerProps = new LinkedHashMap<String, Object>();
for(String headerName : serverMsg.getMessageHeader().getHeaderNames())
{
headerProps.put(headerName, serverMsg.getMessageHeader().getHeader(headerName));
}
props.setHeaders(FieldTable.convertToFieldTable(headerProps));
final ContentHeaderBody chb = new ContentHeaderBody(props, BASIC_CLASS_ID);
chb.setBodySize(size);
return new MessageMetaData(publishInfo, chb, serverMsg.getArrivalTime());
}
@Override
public String getType()
{
return "v1-0 to v0-8";
}
}
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