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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 "ProtocolRegistry.h"
#include "qpid/Exception.h"
#include "qpid/client/amqp0_10/ConnectionImpl.h"
#include "qpid/client/LoadPlugins.h"
#include <map>
using qpid::types::Variant;
namespace qpid {
namespace messaging {
namespace {
typedef std::map<std::string, ProtocolRegistry::Factory*> Registry;
Registry& theRegistry()
{
static Registry factories;
return factories;
}
bool extract(const std::string& key, Variant& value, const Variant::Map& in, Variant::Map& out)
{
bool matched = false;
for (Variant::Map::const_iterator i = in.begin(); i != in.end(); ++i) {
if (i->first == key) {
value = i->second;
matched = true;
} else {
out.insert(*i);
}
}
return matched;
}
}
ConnectionImpl* ProtocolRegistry::create(const std::string& url, const Variant::Map& options)
{
qpid::client::theModuleLoader();//ensure modules are loaded
Variant name;
Variant::Map stripped;
if (extract("protocol", name, options, stripped)) {
Registry::const_iterator i = theRegistry().find(name.asString());
if (i != theRegistry().end()) return (i->second)(url, stripped);
else if (name.asString() == "amqp0-10") return new qpid::client::amqp0_10::ConnectionImpl(url, stripped);
else throw qpid::Exception("Unsupported protocol: " + name.asString());
}
return 0;
}
void ProtocolRegistry::add(const std::string& name, Factory* factory)
{
theRegistry()[name] = factory;
}
}} // namespace qpid::messaging
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