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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 org.apache.mina.filter.codec.ProtocolCodecFactory;
import org.apache.mina.filter.codec.ProtocolDecoder;
import org.apache.mina.filter.codec.ProtocolEncoder;
import org.apache.qpid.protocol.AMQVersionAwareProtocolSession;
/**
* AMQCodecFactory is a Mina codec factory. It supplies the encoders and decoders need to read and write the bytes to
* the wire.
*
* <p/><table id="crc"><caption>CRC Card</caption>
* <tr><th> Responsibilities <th> Collaborations.
* <tr><td> Supply the protocol encoder. <td> {@link AMQEncoder}
* <tr><td> Supply the protocol decoder. <td> {@link AMQDecoder}
* </table>
*/
public class AMQCodecFactory implements ProtocolCodecFactory
{
/** Holds the protocol encoder. */
private final AMQEncoder _encoder = new AMQEncoder();
/** Holds the protocol decoder. */
private final AMQDecoder _frameDecoder;
/**
* Creates a new codec factory, specifiying whether it is expected that the first frame of data should be an
* initiation. This is the case for the broker, which always expects to received the protocol initiation on a newly
* connected client.
*
* @param expectProtocolInitiation <tt>true</tt> if the first frame received is going to be a protocol initiation
* frame, <tt>false</tt> if it is going to be a standard AMQ data block.
*/
public AMQCodecFactory(boolean expectProtocolInitiation, AMQVersionAwareProtocolSession session)
{
_frameDecoder = new AMQDecoder(expectProtocolInitiation, session);
}
/**
* Gets the AMQP encoder.
*
* @return The AMQP encoder.
*/
public ProtocolEncoder getEncoder()
{
return _encoder;
}
/**
* Gets the AMQP decoder.
*
* @return The AMQP decoder.
*/
public AMQDecoder getDecoder()
{
return _frameDecoder;
}
}
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