| /* |
| * |
| * 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.log4j.Logger; |
| |
| import org.apache.qpid.AMQException; |
| import org.apache.qpid.exchange.ExchangeDefaults; |
| import org.apache.qpid.framing.AMQMethodBody; |
| import org.apache.qpid.framing.AMQShortString; |
| import org.apache.qpid.framing.FieldTable; |
| import org.apache.qpid.framing.MethodRegistry; |
| import org.apache.qpid.framing.QueueBindBody; |
| import org.apache.qpid.protocol.AMQConstant; |
| import org.apache.qpid.server.exchange.TopicExchange; |
| import org.apache.qpid.server.plugin.ExchangeType; |
| import org.apache.qpid.server.protocol.v0_8.AMQChannel; |
| import org.apache.qpid.server.binding.Binding; |
| import org.apache.qpid.server.exchange.Exchange; |
| import org.apache.qpid.server.protocol.v0_8.AMQProtocolSession; |
| import org.apache.qpid.server.protocol.AMQSessionModel; |
| import org.apache.qpid.server.queue.AMQQueue; |
| import org.apache.qpid.server.queue.QueueRegistry; |
| import org.apache.qpid.server.protocol.v0_8.state.AMQStateManager; |
| import org.apache.qpid.server.protocol.v0_8.state.StateAwareMethodListener; |
| import org.apache.qpid.server.security.QpidSecurityException; |
| import org.apache.qpid.server.virtualhost.VirtualHost; |
| |
| import java.util.Map; |
| |
| public class QueueBindHandler implements StateAwareMethodListener<QueueBindBody> |
| { |
| private static final Logger _log = Logger.getLogger(QueueBindHandler.class); |
| |
| private static final QueueBindHandler _instance = new QueueBindHandler(); |
| |
| public static QueueBindHandler getInstance() |
| { |
| return _instance; |
| } |
| |
| private QueueBindHandler() |
| { |
| } |
| |
| public void methodReceived(AMQStateManager stateManager, QueueBindBody body, int channelId) throws AMQException |
| { |
| AMQProtocolSession protocolConnection = stateManager.getProtocolSession(); |
| VirtualHost virtualHost = protocolConnection.getVirtualHost(); |
| AMQChannel channel = protocolConnection.getChannel(channelId); |
| |
| if (channel == null) |
| { |
| throw body.getChannelNotFoundException(channelId); |
| } |
| |
| final AMQQueue queue; |
| final AMQShortString routingKey; |
| |
| final AMQShortString queueName = body.getQueue(); |
| |
| if (queueName == null) |
| { |
| |
| queue = channel.getDefaultQueue(); |
| |
| if (queue == null) |
| { |
| throw body.getChannelException(AMQConstant.NOT_FOUND, "No default queue defined on channel and queue was null"); |
| } |
| |
| if (body.getRoutingKey() == null) |
| { |
| routingKey = AMQShortString.valueOf(queue.getName()); |
| } |
| else |
| { |
| routingKey = body.getRoutingKey().intern(); |
| } |
| } |
| else |
| { |
| queue = virtualHost.getQueue(queueName.toString()); |
| routingKey = body.getRoutingKey() == null ? AMQShortString.EMPTY_STRING : body.getRoutingKey().intern(); |
| } |
| |
| if (queue == null) |
| { |
| throw body.getChannelException(AMQConstant.NOT_FOUND, "Queue " + queueName + " does not exist."); |
| } |
| final String exchangeName = body.getExchange() == null ? null : body.getExchange().toString(); |
| final Exchange exch = virtualHost.getExchange(exchangeName); |
| if (exch == null) |
| { |
| throw body.getChannelException(AMQConstant.NOT_FOUND, "Exchange " + exchangeName + " does not exist."); |
| } |
| |
| |
| try |
| { |
| |
| Map<String,Object> arguments = FieldTable.convertToMap(body.getArguments()); |
| String bindingKey = String.valueOf(routingKey); |
| |
| if (!exch.isBound(bindingKey, arguments, queue)) |
| { |
| |
| if(!exch.addBinding(bindingKey, queue, arguments) && TopicExchange.TYPE.equals(exch.getType())) |
| { |
| Binding oldBinding = exch.getBinding(bindingKey, queue, arguments); |
| |
| Map<String, Object> oldArgs = oldBinding.getArguments(); |
| if((oldArgs == null && !arguments.isEmpty()) || (oldArgs != null && !oldArgs.equals(arguments))) |
| { |
| exch.replaceBinding(oldBinding.getId(), bindingKey, queue, arguments); |
| } |
| } |
| } |
| } |
| catch (QpidSecurityException e) |
| { |
| throw body.getConnectionException(AMQConstant.ACCESS_REFUSED, e.getMessage()); |
| } |
| |
| if (_log.isInfoEnabled()) |
| { |
| _log.info("Binding queue " + queue + " to exchange " + exch + " with routing key " + routingKey); |
| } |
| if (!body.getNowait()) |
| { |
| channel.sync(); |
| MethodRegistry methodRegistry = protocolConnection.getMethodRegistry(); |
| AMQMethodBody responseBody = methodRegistry.createQueueBindOkBody(); |
| protocolConnection.writeFrame(responseBody.generateFrame(channelId)); |
| |
| } |
| } |
| } |