diff options
Diffstat (limited to 'qpid/java/broker/src/main/java/org/apache/qpid/server/handler/QueueDeleteHandler.java')
-rw-r--r-- | qpid/java/broker/src/main/java/org/apache/qpid/server/handler/QueueDeleteHandler.java | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/qpid/java/broker/src/main/java/org/apache/qpid/server/handler/QueueDeleteHandler.java b/qpid/java/broker/src/main/java/org/apache/qpid/server/handler/QueueDeleteHandler.java new file mode 100644 index 0000000000..b397db9246 --- /dev/null +++ b/qpid/java/broker/src/main/java/org/apache/qpid/server/handler/QueueDeleteHandler.java @@ -0,0 +1,127 @@ +/* + * + * 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.QueueDeleteBody; +import org.apache.qpid.framing.QueueDeleteOkBody; +import org.apache.qpid.framing.MethodRegistry; +import org.apache.qpid.protocol.AMQConstant; +import org.apache.qpid.server.protocol.AMQProtocolSession; +import org.apache.qpid.server.queue.QueueRegistry; +import org.apache.qpid.server.queue.AMQQueue; +import org.apache.qpid.server.state.AMQStateManager; +import org.apache.qpid.server.state.StateAwareMethodListener; +import org.apache.qpid.server.store.MessageStore; +import org.apache.qpid.server.virtualhost.VirtualHost; +import org.apache.qpid.server.AMQChannel; +import org.apache.qpid.server.security.access.Permission; + +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 session = stateManager.getProtocolSession(); + VirtualHost virtualHost = session.getVirtualHost(); + QueueRegistry queueRegistry = virtualHost.getQueueRegistry(); + MessageStore store = virtualHost.getMessageStore(); + + AMQQueue queue; + if (body.getQueue() == null) + { + AMQChannel channel = session.getChannel(channelId); + + if (channel == null) + { + throw body.getChannelNotFoundException(channelId); + } + + //get the default queue on the channel: + queue = channel.getDefaultQueue(); + } + else + { + queue = queueRegistry.getQueue(body.getQueue()); + } + + 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 + { + + //Perform ACLs + if (!virtualHost.getAccessManager().authoriseDelete(session, queue)) + { + throw body.getConnectionException(AMQConstant.ACCESS_REFUSED, "Permission denied"); + } + + int purged = queue.delete(); + + + if (queue.isDurable()) + { + store.removeQueue(queue); + } + + MethodRegistry methodRegistry = session.getMethodRegistry(); + QueueDeleteOkBody responseBody = methodRegistry.createQueueDeleteOkBody(purged); + session.writeFrame(responseBody.generateFrame(channelId)); + } + } + } +} |