| /* |
| * |
| * 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.handler; |
| |
| import org.apache.qpid.AMQException; |
| import org.apache.qpid.framing.AMQShortString; |
| import org.apache.qpid.framing.ExchangeBoundBody; |
| import org.apache.qpid.framing.ExchangeBoundOkBody; |
| import org.apache.qpid.framing.MethodRegistry; |
| import org.apache.qpid.server.AMQChannel; |
| import org.apache.qpid.server.exchange.Exchange; |
| import org.apache.qpid.server.protocol.AMQProtocolSession; |
| import org.apache.qpid.server.queue.AMQQueue; |
| import org.apache.qpid.server.queue.QueueRegistry; |
| import org.apache.qpid.server.state.AMQStateManager; |
| import org.apache.qpid.server.state.StateAwareMethodListener; |
| import org.apache.qpid.server.virtualhost.VirtualHost; |
| |
| /** |
| * @author Apache Software Foundation |
| * |
| * |
| */ |
| public class ExchangeBoundHandler implements StateAwareMethodListener<ExchangeBoundBody> |
| { |
| private static final ExchangeBoundHandler _instance = new ExchangeBoundHandler(); |
| |
| public static final int OK = 0; |
| |
| public static final int EXCHANGE_NOT_FOUND = 1; |
| |
| public static final int QUEUE_NOT_FOUND = 2; |
| |
| public static final int NO_BINDINGS = 3; |
| |
| public static final int QUEUE_NOT_BOUND = 4; |
| |
| public static final int NO_QUEUE_BOUND_WITH_RK = 5; |
| |
| public static final int SPECIFIC_QUEUE_NOT_BOUND_WITH_RK = 6; |
| |
| public static ExchangeBoundHandler getInstance() |
| { |
| return _instance; |
| } |
| |
| private ExchangeBoundHandler() |
| { |
| } |
| |
| public void methodReceived(AMQStateManager stateManager, ExchangeBoundBody body, int channelId) throws AMQException |
| { |
| AMQProtocolSession session = stateManager.getProtocolSession(); |
| VirtualHost virtualHost = session.getVirtualHost(); |
| QueueRegistry queueRegistry = virtualHost.getQueueRegistry(); |
| MethodRegistry methodRegistry = session.getMethodRegistry(); |
| |
| final AMQChannel channel = session.getChannel(channelId); |
| if (channel == null) |
| { |
| throw body.getChannelNotFoundException(channelId); |
| } |
| channel.sync(); |
| |
| |
| AMQShortString exchangeName = body.getExchange(); |
| AMQShortString queueName = body.getQueue(); |
| AMQShortString routingKey = body.getRoutingKey(); |
| if (exchangeName == null) |
| { |
| throw new AMQException("Exchange exchange must not be null"); |
| } |
| Exchange exchange = virtualHost.getExchangeRegistry().getExchange(exchangeName); |
| ExchangeBoundOkBody response; |
| if (exchange == null) |
| { |
| |
| |
| response = methodRegistry.createExchangeBoundOkBody(EXCHANGE_NOT_FOUND, |
| new AMQShortString("Exchange " + exchangeName + " not found")); |
| } |
| else if (routingKey == null) |
| { |
| if (queueName == null) |
| { |
| if (exchange.hasBindings()) |
| { |
| response = methodRegistry.createExchangeBoundOkBody(OK, null); |
| } |
| else |
| { |
| |
| response = methodRegistry.createExchangeBoundOkBody(NO_BINDINGS, // replyCode |
| null); // replyText |
| } |
| } |
| else |
| { |
| |
| AMQQueue queue = queueRegistry.getQueue(queueName); |
| if (queue == null) |
| { |
| |
| response = methodRegistry.createExchangeBoundOkBody(QUEUE_NOT_FOUND, // replyCode |
| new AMQShortString("Queue " + queueName + " not found")); // replyText |
| } |
| else |
| { |
| if (exchange.isBound(queue)) |
| { |
| |
| response = methodRegistry.createExchangeBoundOkBody(OK, // replyCode |
| null); // replyText |
| } |
| else |
| { |
| |
| response = methodRegistry.createExchangeBoundOkBody(QUEUE_NOT_BOUND, // replyCode |
| new AMQShortString("Queue " + queueName + " not bound to exchange " + exchangeName)); // replyText |
| } |
| } |
| } |
| } |
| else if (queueName != null) |
| { |
| AMQQueue queue = queueRegistry.getQueue(queueName); |
| if (queue == null) |
| { |
| |
| response = methodRegistry.createExchangeBoundOkBody(QUEUE_NOT_FOUND, // replyCode |
| new AMQShortString("Queue " + queueName + " not found")); // replyText |
| } |
| else |
| { |
| if (exchange.isBound(body.getRoutingKey(), queue)) |
| { |
| |
| response = methodRegistry.createExchangeBoundOkBody(OK, // replyCode |
| null); // replyText |
| } |
| else |
| { |
| |
| response = methodRegistry.createExchangeBoundOkBody(SPECIFIC_QUEUE_NOT_BOUND_WITH_RK, // replyCode |
| new AMQShortString("Queue " + queueName + " not bound with routing key " + |
| body.getRoutingKey() + " to exchange " + exchangeName)); // replyText |
| } |
| } |
| } |
| else |
| { |
| if (exchange.isBound(body.getRoutingKey())) |
| { |
| |
| response = methodRegistry.createExchangeBoundOkBody(OK, // replyCode |
| null); // replyText |
| } |
| else |
| { |
| |
| response = methodRegistry.createExchangeBoundOkBody(NO_QUEUE_BOUND_WITH_RK, // replyCode |
| new AMQShortString("No queue bound with routing key " + body.getRoutingKey() + |
| " to exchange " + exchangeName)); // replyText |
| } |
| } |
| session.writeFrame(response.generateFrame(channelId)); |
| } |
| } |