RC9/qpid/cpp/src/qpid/framing/BodyHandler.h

#ifndef _BodyHandler_
#define _BodyHandler_

/*
 *
 * 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.
 *
 */

#include <boost/shared_ptr.hpp>

namespace qpid {
namespace framing {
class AMQBody;
class AMQMethodBody;
class AMQHeaderBody;
class AMQContentBody;
class AMQHeartbeatBody;

// TODO aconway 2007-08-10: rework using Visitor pattern?

/**
 * Interface to handle incoming frame bodies.
 * Derived classes provide logic for each frame type.
 */
class BodyHandler {
  public:
    virtual ~BodyHandler();
    virtual void handleBody(AMQBody* body);

  protected:
    virtual void handleMethod(AMQMethodBody*) = 0;
    virtual void handleHeader(AMQHeaderBody*) = 0;
    virtual void handleContent(AMQContentBody*) = 0;
    virtual void handleHeartbeat(AMQHeartbeatBody*) = 0;
};

}}


#endif