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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 "ReceivedContent.h"
#include "qpid/framing/all_method_bodies.h"
using qpid::client::ReceivedContent;
using namespace qpid::framing;
using namespace boost;
ReceivedContent::ReceivedContent(const SequenceNumber& _id) : id(_id) {}
void ReceivedContent::append(AMQBody* part)
{
parts.push_back(AMQFrame(ProtocolVersion(), 0, part));
}
bool ReceivedContent::isComplete() const
{
if (parts.empty()) {
return false;
} else if (isA<BasicDeliverBody>() || isA<BasicGetOkBody>()) {
const AMQHeaderBody* headers(getHeaders());
return headers && headers->getContentSize() == getContentSize();
} else if (isA<MessageTransferBody>()) {
//no longer support references, headers and data are still method fields
return true;
} else {
throw Exception("Unknown content class");
}
}
const AMQMethodBody* ReceivedContent::getMethod() const
{
return parts.empty() ? 0 : dynamic_cast<const AMQMethodBody*>(parts[0].getBody());
}
const AMQHeaderBody* ReceivedContent::getHeaders() const
{
return parts.size() < 2 ? 0 : dynamic_cast<const AMQHeaderBody*>(parts[1].getBody());
}
uint64_t ReceivedContent::getContentSize() const
{
if (isA<BasicDeliverBody>() || isA<BasicGetOkBody>()) {
uint64_t size(0);
for (uint i = 2; i < parts.size(); i++) {
size += parts[i].getBody()->size();
}
return size;
} else if (isA<MessageTransferBody>()) {
return as<MessageTransferBody>()->getBody().getValue().size();
} else {
throw Exception("Unknown content class");
}
}
std::string ReceivedContent::getContent() const
{
if (isA<BasicDeliverBody>() || isA<BasicGetOkBody>()) {
string data;
for (uint i = 2; i < parts.size(); i++) {
data += static_cast<const AMQContentBody*>(parts[i].getBody())->getData();
}
return data;
} else if (isA<MessageTransferBody>()) {
return as<MessageTransferBody>()->getBody().getValue();
} else {
throw Exception("Unknown content class");
}
}
void ReceivedContent::populate(Message& msg)
{
if (!isComplete()) throw Exception("Incomplete message");
if (isA<BasicDeliverBody>() || isA<BasicGetOkBody>()) {
const BasicHeaderProperties* properties = dynamic_cast<const BasicHeaderProperties*>(getHeaders()->getProperties());
BasicHeaderProperties::copy<Message, BasicHeaderProperties>(msg, *properties);
msg.setData(getContent());
} else if (isA<MessageTransferBody>()) {
throw Exception("Transfer not yet supported");
} else {
throw Exception("Unknown content class");
}
}
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