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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.
*
*/
#include "amqp_types.h"
#include "AMQBody.h"
#include "Buffer.h"
#include "qpid/framing/DeliveryProperties.h"
#include "qpid/framing/MessageProperties.h"
#include <iostream>
#include <vector>
#include <boost/variant.hpp>
#include <boost/variant/get.hpp>
#ifndef _AMQHeaderBody_
#define _AMQHeaderBody_
namespace qpid {
namespace framing {
class AMQHeaderBody : public AMQBody
{
typedef std::vector< boost::variant<DeliveryProperties, MessageProperties> > PropertyList;
PropertyList properties;
template <class T> void decode(T t, Buffer& b, uint32_t size) {
t.decodeStructBody(b, size);
properties.push_back(t);
}
class Encode : public boost::static_visitor<> {
Buffer& buffer;
public:
Encode(Buffer& b) : buffer(b) {}
template <class T> void operator()(T& t) const {
t.encode(buffer);
}
};
class CalculateSize : public boost::static_visitor<> {
uint32_t size;
public:
CalculateSize() : size(0) {}
template <class T> void operator()(T& t) {
size += t.size();
}
uint32_t totalSize() {
return size;
}
};
class Print : public boost::static_visitor<> {
std::ostream& out;
public:
Print(std::ostream& o) : out(o) {}
template <class T> void operator()(T& t) {
out << t;
}
};
public:
AMQHeaderBody();
~AMQHeaderBody();
inline uint8_t type() const { return HEADER_BODY; }
uint32_t size() const;
void encode(Buffer& buffer) const;
void decode(Buffer& buffer, uint32_t size);
uint64_t getContentLength() const;
void print(std::ostream& out) const;
void accept(AMQBodyConstVisitor& v) const { v.visit(*this); }
template <class T> T* get(bool create) {
for (PropertyList::iterator i = properties.begin(); i != properties.end(); i++) {
T* p = boost::get<T>(&(*i));
if (p) return p;
}
if (create) {
properties.push_back(T());
return boost::get<T>(&(properties.back()));
} else {
return 0;
}
}
template <class T> const T* get() const {
for (PropertyList::const_iterator i = properties.begin(); i != properties.end(); i++) {
const T* p = boost::get<T>(&(*i));
if (p) return p;
}
return 0;
}
};
}
}
#endif
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