| /* |
| * |
| * 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.qmf; |
| |
| import org.apache.log4j.Logger; |
| |
| import org.apache.qpid.AMQException; |
| import org.apache.qpid.server.exchange.Exchange; |
| import org.apache.qpid.server.message.ServerMessage; |
| import org.apache.qpid.server.queue.BaseQueue; |
| import org.apache.qpid.server.registry.IApplicationRegistry; |
| import org.apache.qpid.server.virtualhost.VirtualHost; |
| import org.apache.qpid.transport.codec.BBDecoder; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.UUID; |
| |
| public class QMFGetQueryCommand extends QMFCommand |
| { |
| |
| private static final Logger _qmfLogger = Logger.getLogger("qpid.qmf"); |
| |
| private String _className; |
| private String _packageName; |
| private UUID _objectId; |
| |
| public QMFGetQueryCommand(QMFCommandHeader header, BBDecoder decoder) |
| { |
| super(header); |
| |
| Map<String, Object> _map = decoder.readMap(); |
| _className = (String) _map.get("_class"); |
| _packageName = (String) _map.get("_package"); |
| byte[] objectIdBytes = (byte[]) _map.get("_objectId"); |
| |
| if(objectIdBytes != null) |
| { |
| long msb = 0; |
| long lsb = 0; |
| |
| for (int i = 0; i != 8; i++) |
| { |
| msb = (msb << 8) | (objectIdBytes[i] & 0xff); |
| } |
| for (int i = 8; i != 16; i++) |
| { |
| lsb = (lsb << 8) | (objectIdBytes[i] & 0xff); |
| } |
| _objectId = new UUID(msb, lsb); |
| } |
| else |
| { |
| _objectId = null; |
| } |
| |
| |
| } |
| |
| public void process(VirtualHost virtualHost, ServerMessage message) |
| { |
| String exchangeName = message.getMessageHeader().getReplyToExchange(); |
| String routingKey = message.getMessageHeader().getReplyToRoutingKey(); |
| |
| IApplicationRegistry appRegistry = virtualHost.getApplicationRegistry(); |
| QMFService service = appRegistry.getQMFService(); |
| |
| _qmfLogger.debug("Execute: " + this); |
| |
| List<QMFCommand> commands = new ArrayList<QMFCommand>(); |
| final long sampleTime = System.currentTimeMillis() * 1000000l; |
| |
| Collection<QMFPackage> packages; |
| |
| if(_packageName != null && _packageName.length() != 0) |
| { |
| QMFPackage qmfPackage = service.getPackage(_packageName); |
| if(qmfPackage == null) |
| { |
| packages = Collections.EMPTY_LIST; |
| } |
| else |
| { |
| packages = Collections.singleton(qmfPackage); |
| } |
| } |
| else |
| { |
| packages = service.getSupportedSchemas(); |
| } |
| |
| for(QMFPackage qmfPackage : packages) |
| { |
| |
| Collection<QMFClass> qmfClasses; |
| |
| if(_className != null && _className.length() != 0) |
| { |
| QMFClass qmfClass = qmfPackage.getQMFClass(_className); |
| if(qmfClass == null) |
| { |
| qmfClasses = Collections.EMPTY_LIST; |
| } |
| else |
| { |
| qmfClasses = Collections.singleton(qmfClass); |
| } |
| } |
| else |
| { |
| qmfClasses = qmfPackage.getClasses(); |
| } |
| |
| |
| for(QMFClass qmfClass : qmfClasses) |
| { |
| Collection<QMFObject> objects; |
| |
| if(_objectId != null) |
| { |
| QMFObject obj = service.getObjectById(qmfClass, _objectId); |
| if(obj == null) |
| { |
| objects = Collections.EMPTY_LIST; |
| } |
| else |
| { |
| objects = Collections.singleton(obj); |
| } |
| } |
| else |
| { |
| objects = service.getObjects(qmfClass); |
| } |
| |
| for(QMFObject object : objects) |
| { |
| |
| commands.add(object.asGetQueryResponseCmd(this, sampleTime)); |
| } |
| } |
| |
| |
| } |
| |
| |
| commands.add( new QMFCommandCompletionCommand(this)); |
| |
| |
| for(QMFCommand cmd : commands) |
| { |
| |
| _qmfLogger.debug("Respond: " + cmd); |
| QMFMessage responseMessage = new QMFMessage(routingKey, cmd); |
| |
| Exchange exchange = virtualHost.getExchangeRegistry().getExchange(exchangeName); |
| |
| List<? extends BaseQueue> queues = exchange.route(responseMessage); |
| |
| for(BaseQueue q : queues) |
| { |
| try |
| { |
| q.enqueue(responseMessage); |
| } |
| catch (AMQException e) |
| { |
| e.printStackTrace(); //To change body of catch statement use File | Settings | File Templates. |
| } |
| } |
| } |
| } |
| |
| @Override |
| public String toString() |
| { |
| return "QMFGetQueryCommand{" + |
| "packageName='" + _packageName + '\'' + |
| ", className='" + _className + '\'' + |
| ", objectId=" + _objectId + |
| '}'; |
| } |
| } |