src/main/activemq/wireformat/stomp/StompWireFormat.h

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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.
 */

#ifndef _ACTIVEMQ_WIREFORMAT_STOMP_STOMPWIREFORMAT_H_
#define _ACTIVEMQ_WIREFORMAT_STOMP_STOMPWIREFORMAT_H_

#include <activemq/util/Config.h>
#include <activemq/wireformat/WireFormat.h>
#include <activemq/wireformat/stomp/StompFrame.h>
#include <activemq/wireformat/stomp/StompHelper.h>
#include <decaf/util/concurrent/atomic/AtomicBoolean.h>
#include <decaf/io/IOException.h>
#include <decaf/lang/Pointer.h>

namespace activemq {
namespace wireformat {
namespace stomp {

    using decaf::lang::Pointer;
    using activemq::commands::Command;

    class StompWireformatProperties;

    class AMQCPP_API StompWireFormat : public WireFormat {
    private:

        StompHelper helper;

        // Stored after we connect to use when validating that a durable subscribe
        // and unsubscribe are set to use the client Id.
        std::string clientId;

        // Indicates when we are in the doUnmarshal call
        decaf::util::concurrent::atomic::AtomicBoolean receiving;

        // Internal structure for holding class internal data that can change without
        // affecting binary compatibility.
        StompWireformatProperties* properties;

    public:

        StompWireFormat();

        virtual ~StompWireFormat();

    public:

        virtual void marshal( const Pointer<commands::Command>& command,
                              const activemq::transport::Transport* transport,
                              decaf::io::DataOutputStream* out );

        virtual Pointer<commands::Command> unmarshal( const activemq::transport::Transport* transport,
                                                      decaf::io::DataInputStream* in );

        virtual void setVersion( int version AMQCPP_UNUSED ) {}

        virtual int getVersion() const {
            return 1;
        }

        virtual bool inReceive() const {
            return this->receiving.get();
        }

        virtual bool hasNegotiator() const {
            return false;
        }

        virtual Pointer<transport::Transport> createNegotiator(
            const Pointer<transport::Transport>& transport );

    private:

        Pointer<Command> unmarshalMessage( const Pointer<StompFrame>& frame );
        Pointer<Command> unmarshalReceipt( const Pointer<StompFrame>& frame );
        Pointer<Command> unmarshalConnected( const Pointer<StompFrame>& frame );
        Pointer<Command> unmarshalError( const Pointer<StompFrame>& frame );

        Pointer<StompFrame> marshalMessage( const Pointer<Command>& command );
        Pointer<StompFrame> marshalAck( const Pointer<Command>& command );
        Pointer<StompFrame> marshalConnectionInfo( const Pointer<Command>& command );
        Pointer<StompFrame> marshalTransactionInfo( const Pointer<Command>& command );
        Pointer<StompFrame> marshalShutdownInfo( const Pointer<Command>& command );
        Pointer<StompFrame> marshalRemoveInfo( const Pointer<Command>& command );
        Pointer<StompFrame> marshalConsumerInfo( const Pointer<Command>& command );
        Pointer<StompFrame> marshalRemoveSubscriptionInfo( const Pointer<Command>& command );

    };

}}}

#endif /* _ACTIVEMQ_WIREFORMAT_STOMP_STOMPWIREFORMAT_H_ */