/*
*
* 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.
*
*/
package org.apache.qpid.server.protocol.v0_8.handler;
import org.apache.qpid.AMQException;
import org.apache.qpid.framing.AccessRequestBody;
import org.apache.qpid.framing.AccessRequestOkBody;
import org.apache.qpid.framing.MethodRegistry;
import org.apache.qpid.framing.amqp_0_9.MethodRegistry_0_9;
import org.apache.qpid.framing.amqp_8_0.MethodRegistry_8_0;
import org.apache.qpid.protocol.AMQConstant;
import org.apache.qpid.server.protocol.v0_8.AMQChannel;
import org.apache.qpid.server.protocol.v0_8.AMQProtocolSession;
import org.apache.qpid.server.protocol.v0_8.state.AMQStateManager;
import org.apache.qpid.server.protocol.v0_8.state.StateAwareMethodListener;
/**
* @author Apache Software Foundation
*
*
*/
public class AccessRequestHandler implements StateAwareMethodListener<AccessRequestBody>
{
private static final AccessRequestHandler _instance = new AccessRequestHandler();
public static AccessRequestHandler getInstance()
{
return _instance;
}
private AccessRequestHandler()
{
}
public void methodReceived(AMQStateManager stateManager, AccessRequestBody body, int channelId) throws AMQException
{
AMQProtocolSession session = stateManager.getProtocolSession();
final AMQChannel channel = session.getChannel(channelId);
if (channel == null)
{
throw body.getChannelNotFoundException(channelId);
}
MethodRegistry methodRegistry = session.getMethodRegistry();
// We don't implement access control class, but to keep clients happy that expect it
// always use the "0" ticket.
AccessRequestOkBody response;
if(methodRegistry instanceof MethodRegistry_0_9)
{
response = ((MethodRegistry_0_9)methodRegistry).createAccessRequestOkBody(0);
}
else if(methodRegistry instanceof MethodRegistry_8_0)
{
response = ((MethodRegistry_8_0)methodRegistry).createAccessRequestOkBody(0);
}
else
{
throw new AMQException(AMQConstant.COMMAND_INVALID, "AccessRequest not present in AMQP versions other than 0-8, 0-9");
}
channel.sync();
session.writeFrame(response.generateFrame(channelId));
}
}