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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 "qpid/messaging/Message.h"
#include "qpid/messaging/MessageImpl.h"
#include "qpid/amqp_0_10/Codecs.h"
#include <qpid/Exception.h>
#include <boost/format.hpp>
namespace qpid {
namespace messaging {
using namespace qpid::types;
Message::Message(const std::string& bytes) : impl(new MessageImpl(bytes)) {}
Message::Message(const char* bytes, size_t count) : impl(new MessageImpl(bytes, count)) {}
Message::Message(const Message& m) : impl(new MessageImpl(*m.impl)) {}
Message::~Message() { delete impl; }
Message& Message::operator=(const Message& m) { *impl = *m.impl; return *this; }
void Message::setReplyTo(const Address& d) { impl->setReplyTo(d); }
const Address& Message::getReplyTo() const { return impl->getReplyTo(); }
void Message::setSubject(const std::string& s) { impl->setSubject(s); }
const std::string& Message::getSubject() const { return impl->getSubject(); }
void Message::setContentType(const std::string& s) { impl->setContentType(s); }
const std::string& Message::getContentType() const { return impl->getContentType(); }
void Message::setMessageId(const std::string& id) { impl->setMessageId(id); }
const std::string& Message::getMessageId() const { return impl->getMessageId(); }
void Message::setUserId(const std::string& id) { impl->setUserId(id); }
const std::string& Message::getUserId() const { return impl->getUserId(); }
void Message::setCorrelationId(const std::string& id) { impl->setCorrelationId(id); }
const std::string& Message::getCorrelationId() const { return impl->getCorrelationId(); }
uint8_t Message::getPriority() const { return impl->getPriority(); }
void Message::setPriority(uint8_t priority) { impl->setPriority(priority); }
void Message::setTtl(Duration ttl) { impl->setTtl(ttl.getMilliseconds()); }
Duration Message::getTtl() const { return Duration(impl->getTtl()); }
void Message::setDurable(bool durable) { impl->setDurable(durable); }
bool Message::getDurable() const { return impl->isDurable(); }
bool Message::getRedelivered() const { return impl->isRedelivered(); }
void Message::setRedelivered(bool redelivered) { impl->setRedelivered(redelivered); }
const Variant::Map& Message::getProperties() const { return impl->getHeaders(); }
Variant::Map& Message::getProperties() { return impl->getHeaders(); }
void Message::setProperty(const std::string& k, const qpid::types::Variant& v) { impl->setHeader(k,v); }
void Message::setContent(const std::string& c) { impl->setBytes(c); }
void Message::setContent(const char* chars, size_t count) { impl->setBytes(chars, count); }
std::string Message::getContent() const { return impl->getBytes(); }
const char* Message::getContentPtr() const
{
return impl->getBytes().data();
}
size_t Message::getContentSize() const
{
return impl->getBytes().size();
}
EncodingException::EncodingException(const std::string& msg) : qpid::types::Exception(msg) {}
const std::string BAD_ENCODING("Unsupported encoding: %1% (only %2% is supported at present).");
template <class C> struct MessageCodec
{
static bool checkEncoding(const std::string& requested)
{
if (requested.size()) {
if (requested == C::contentType) return true;
else throw EncodingException((boost::format(BAD_ENCODING) % requested % C::contentType).str());
} else {
return false;
}
}
/*
* Currently only support a single encoding type for both list and
* map, based on AMQP 0-10, though wider support is anticipated in the
* future. This method simply checks that the desired encoding (if one
* is specified, either through the message-content or through an
* override) is indeed supported.
*/
static void checkEncoding(const Message& message, const std::string& requested)
{
checkEncoding(requested) || checkEncoding(message.getContentType());
}
static void decode(const Message& message, typename C::ObjectType& object, const std::string& encoding)
{
checkEncoding(message, encoding);
try {
C::decode(message.getContent(), object);
} catch (const qpid::Exception &ex) {
throw EncodingException(ex.what());
}
}
static void encode(const typename C::ObjectType& map, Message& message, const std::string& encoding)
{
checkEncoding(message, encoding);
std::string content;
C::encode(map, content);
message.setContentType(C::contentType);
message.setContent(content);
}
};
void decode(const Message& message, Variant::Map& map, const std::string& encoding)
{
MessageCodec<qpid::amqp_0_10::MapCodec>::decode(message, map, encoding);
}
void decode(const Message& message, Variant::List& list, const std::string& encoding)
{
MessageCodec<qpid::amqp_0_10::ListCodec>::decode(message, list, encoding);
}
void encode(const Variant::Map& map, Message& message, const std::string& encoding)
{
MessageCodec<qpid::amqp_0_10::MapCodec>::encode(map, message, encoding);
}
void encode(const Variant::List& list, Message& message, const std::string& encoding)
{
MessageCodec<qpid::amqp_0_10::ListCodec>::encode(list, message, encoding);
}
}} // namespace qpid::messaging
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