| /* |
| * |
| * 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.MethodRegistry; |
| import org.apache.qpid.framing.QueueDeleteBody; |
| import org.apache.qpid.framing.QueueDeleteOkBody; |
| 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.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.store.DurableConfigurationStore; |
| import org.apache.qpid.server.store.DurableConfigurationStoreHelper; |
| import org.apache.qpid.server.virtualhost.VirtualHost; |
| |
| public class QueueDeleteHandler implements StateAwareMethodListener<QueueDeleteBody> |
| { |
| private static final QueueDeleteHandler _instance = new QueueDeleteHandler(); |
| |
| public static QueueDeleteHandler getInstance() |
| { |
| return _instance; |
| } |
| |
| private final boolean _failIfNotFound; |
| |
| public QueueDeleteHandler() |
| { |
| this(true); |
| } |
| |
| public QueueDeleteHandler(boolean failIfNotFound) |
| { |
| _failIfNotFound = failIfNotFound; |
| |
| } |
| |
| public void methodReceived(AMQStateManager stateManager, QueueDeleteBody body, int channelId) throws AMQException |
| { |
| AMQProtocolSession protocolConnection = stateManager.getProtocolSession(); |
| VirtualHost virtualHost = protocolConnection.getVirtualHost(); |
| DurableConfigurationStore store = virtualHost.getDurableConfigurationStore(); |
| |
| |
| AMQChannel channel = protocolConnection.getChannel(channelId); |
| |
| if (channel == null) |
| { |
| throw body.getChannelNotFoundException(channelId); |
| } |
| channel.sync(); |
| AMQQueue queue; |
| if (body.getQueue() == null) |
| { |
| |
| //get the default queue on the channel: |
| queue = channel.getDefaultQueue(); |
| } |
| else |
| { |
| queue = virtualHost.getQueue(body.getQueue().toString()); |
| } |
| |
| if (queue == null) |
| { |
| if (_failIfNotFound) |
| { |
| throw body.getChannelException(AMQConstant.NOT_FOUND, "Queue " + body.getQueue() + " does not exist."); |
| } |
| } |
| else |
| { |
| if (body.getIfEmpty() && !queue.isEmpty()) |
| { |
| throw body.getChannelException(AMQConstant.IN_USE, "Queue: " + body.getQueue() + " is not empty."); |
| } |
| else if (body.getIfUnused() && !queue.isUnused()) |
| { |
| // TODO - Error code |
| throw body.getChannelException(AMQConstant.IN_USE, "Queue: " + body.getQueue() + " is still used."); |
| } |
| else |
| { |
| if (!queue.verifySessionAccess(channel)) |
| { |
| throw body.getConnectionException(AMQConstant.NOT_ALLOWED, |
| "Queue " + queue.getName() + " is exclusive, but not created on this Connection."); |
| } |
| |
| int purged = 0; |
| try |
| { |
| purged = virtualHost.removeQueue(queue); |
| } |
| catch (QpidSecurityException e) |
| { |
| throw body.getConnectionException(AMQConstant.ACCESS_REFUSED, e.getMessage()); |
| } |
| |
| MethodRegistry methodRegistry = protocolConnection.getMethodRegistry(); |
| QueueDeleteOkBody responseBody = methodRegistry.createQueueDeleteOkBody(purged); |
| protocolConnection.writeFrame(responseBody.generateFrame(channelId)); |
| } |
| } |
| } |
| } |