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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.codec;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.List;
import java.util.ListIterator;
import org.apache.qpid.framing.*;
public class ClientDecoder extends AMQDecoder>
{
private List _incompleteBuffers = new ArrayList();
/**
* Creates a new AMQP decoder.
*
* @param methodProcessor method processor
*/
public ClientDecoder(final ClientMethodProcessor methodProcessor)
{
super(false, methodProcessor);
}
public void decodeBuffer(ByteBuffer buf)
throws AMQFrameDecodingException, AMQProtocolVersionException, IOException
{
buf = buf.slice();
_incompleteBuffers.add(buf);
MarkableDataInput msg = new ByteBufferListDataInput(_incompleteBuffers);
decode(msg);
ListIterator iter = _incompleteBuffers.listIterator();
while (iter.hasNext())
{
ByteBuffer next = iter.next();
if (next.hasRemaining())
{
if (next.position() != 0)
{
iter.set(next.slice());
}
break;
}
else
{
iter.remove();
}
}
}
void processMethod(int channelId,
MarkableDataInput in)
throws AMQFrameDecodingException, IOException
{
ClientMethodProcessor methodProcessor = getMethodProcessor();
ClientChannelMethodProcessor channelMethodProcessor = methodProcessor.getChannelMethodProcessor(channelId);
final int classAndMethod = in.readInt();
int classId = classAndMethod >> 16;
int methodId = classAndMethod & 0xFFFF;
methodProcessor.setCurrentMethod(classId, methodId);
try
{
switch (classAndMethod)
{
//CONNECTION_CLASS:
case 0x000a000a:
ConnectionStartBody.process(in, methodProcessor);
break;
case 0x000a0014:
ConnectionSecureBody.process(in, methodProcessor);
break;
case 0x000a001e:
ConnectionTuneBody.process(in, methodProcessor);
break;
case 0x000a0029:
ConnectionOpenOkBody.process(in, methodProcessor);
break;
case 0x000a002a:
ConnectionRedirectBody.process(in, methodProcessor);
break;
case 0x000a0032:
if (methodProcessor.getProtocolVersion().equals(ProtocolVersion.v0_8))
{
ConnectionRedirectBody.process(in, methodProcessor);
}
else
{
ConnectionCloseBody.process(in, methodProcessor);
}
break;
case 0x000a0033:
if (methodProcessor.getProtocolVersion().equals(ProtocolVersion.v0_8))
{
throw newUnknownMethodException(classId, methodId,
methodProcessor.getProtocolVersion());
}
else
{
methodProcessor.receiveConnectionCloseOk();
}
break;
case 0x000a003c:
if (methodProcessor.getProtocolVersion().equals(ProtocolVersion.v0_8))
{
ConnectionCloseBody.process(in, methodProcessor);
}
else
{
throw newUnknownMethodException(classId, methodId,
methodProcessor.getProtocolVersion());
}
break;
case 0x000a003d:
if (methodProcessor.getProtocolVersion().equals(ProtocolVersion.v0_8))
{
methodProcessor.receiveConnectionCloseOk();
}
else
{
throw newUnknownMethodException(classId, methodId,
methodProcessor.getProtocolVersion());
}
break;
// CHANNEL_CLASS:
case 0x0014000b:
ChannelOpenOkBody.process(in, methodProcessor.getProtocolVersion(), channelMethodProcessor);
break;
case 0x00140014:
ChannelFlowBody.process(in, channelMethodProcessor);
break;
case 0x00140015:
ChannelFlowOkBody.process(in, channelMethodProcessor);
break;
case 0x0014001e:
ChannelAlertBody.process(in, channelMethodProcessor);
break;
case 0x00140028:
ChannelCloseBody.process(in, channelMethodProcessor);
break;
case 0x00140029:
channelMethodProcessor.receiveChannelCloseOk();
break;
// ACCESS_CLASS:
case 0x001e000b:
AccessRequestOkBody.process(in, channelMethodProcessor);
break;
// EXCHANGE_CLASS:
case 0x0028000b:
if(!channelMethodProcessor.ignoreAllButCloseOk())
{
channelMethodProcessor.receiveExchangeDeclareOk();
}
break;
case 0x00280015:
if(!channelMethodProcessor.ignoreAllButCloseOk())
{
channelMethodProcessor.receiveExchangeDeleteOk();
}
break;
case 0x00280017:
ExchangeBoundOkBody.process(in, channelMethodProcessor);
break;
// QUEUE_CLASS:
case 0x0032000b:
QueueDeclareOkBody.process(in, channelMethodProcessor);
break;
case 0x00320015:
if(!channelMethodProcessor.ignoreAllButCloseOk())
{
channelMethodProcessor.receiveQueueBindOk();
}
break;
case 0x0032001f:
QueuePurgeOkBody.process(in, channelMethodProcessor);
break;
case 0x00320029:
QueueDeleteOkBody.process(in, channelMethodProcessor);
break;
case 0x00320033:
if(!channelMethodProcessor.ignoreAllButCloseOk())
{
channelMethodProcessor.receiveQueueUnbindOk();
}
break;
// BASIC_CLASS:
case 0x003c000b:
if(!channelMethodProcessor.ignoreAllButCloseOk())
{
channelMethodProcessor.receiveBasicQosOk();
}
break;
case 0x003c0015:
BasicConsumeOkBody.process(in, channelMethodProcessor);
break;
case 0x003c001f:
BasicCancelOkBody.process(in, channelMethodProcessor);
break;
case 0x003c0032:
BasicReturnBody.process(in, channelMethodProcessor);
break;
case 0x003c003c:
BasicDeliverBody.process(in, channelMethodProcessor);
break;
case 0x003c0047:
BasicGetOkBody.process(in, channelMethodProcessor);
break;
case 0x003c0048:
BasicGetEmptyBody.process(in, channelMethodProcessor);
break;
case 0x003c0050:
BasicAckBody.process(in, channelMethodProcessor);
break;
case 0x003c0065:
if(!channelMethodProcessor.ignoreAllButCloseOk())
{
channelMethodProcessor.receiveBasicRecoverSyncOk();
}
break;
case 0x003c006f:
if(!channelMethodProcessor.ignoreAllButCloseOk())
{
channelMethodProcessor.receiveBasicRecoverSyncOk();
}
break;
case 0x003c0078:
BasicNackBody.process(in, channelMethodProcessor);
break;
// CONFIRM CLASS:
case 0x0055000b:
if(!channelMethodProcessor.ignoreAllButCloseOk())
{
channelMethodProcessor.receiveConfirmSelectOk();
}
break;
// TX_CLASS:
case 0x005a000b:
if(!channelMethodProcessor.ignoreAllButCloseOk())
{
channelMethodProcessor.receiveTxSelectOk();
}
break;
case 0x005a0015:
if(!channelMethodProcessor.ignoreAllButCloseOk())
{
channelMethodProcessor.receiveTxCommitOk();
}
break;
case 0x005a001f:
if(!channelMethodProcessor.ignoreAllButCloseOk())
{
channelMethodProcessor.receiveTxRollbackOk();
}
break;
default:
throw newUnknownMethodException(classId, methodId,
methodProcessor.getProtocolVersion());
}
}
finally
{
methodProcessor.setCurrentMethod(0, 0);
}
}
}
