| /* |
| * |
| * 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.ra.admin; |
| |
| import java.io.Externalizable; |
| import java.io.IOException; |
| import java.io.ObjectInput; |
| import java.io.ObjectOutput; |
| import java.io.Serializable; |
| |
| import javax.jms.Destination; |
| import javax.naming.NamingException; |
| import javax.naming.Reference; |
| import javax.naming.Referenceable; |
| import javax.naming.spi.ObjectFactory; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * The QpidDestinationProxy provides for allowing an administrator/developer to |
| * create and bind QPID destinations into a JNDI tree. AdminObjects are used as |
| * an generic integration point rather than relying on the EE server specific |
| * API's to create destinations (queues, topics). AdminObjects and associated |
| * properties are defined in the ra.xml file for a particular JCA adapter. |
| * Please see the ra.xml file for the QPID JCA resource adapter as well as the |
| * README.txt for the adapter for more details. |
| * |
| */ |
| public class QpidDestinationProxy implements Externalizable, Referenceable, Destination, Serializable |
| { |
| private static final long serialVersionUID = -1137413782643796461L; |
| |
| private static final Logger _log = LoggerFactory.getLogger(QpidDestinationProxy.class); |
| |
| private static final String DEFAULT_QUEUE_TYPE = "QUEUE"; |
| |
| private static final String DEFAULT_TOPIC_TYPE = "TOPIC"; |
| |
| private String _destinationAddress; |
| |
| private String _destinationType; |
| |
| private Destination _delegate; |
| |
| /** |
| * This constructor should not only be used be de-serialisation code. Create |
| * original object with the other constructor. |
| */ |
| public QpidDestinationProxy() |
| { |
| } |
| |
| public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException |
| { |
| Reference ref = (Reference) in.readObject(); |
| |
| try |
| { |
| _delegate = (Destination) dereference(ref); |
| |
| } catch (Exception e) |
| { |
| _log.error("Failed to dereference Destination " + e.getMessage(), e); |
| throw new IOException("Failed to dereference Destination: " + e.getMessage()); |
| } |
| } |
| |
| public void writeExternal(ObjectOutput out) throws IOException |
| { |
| if (_delegate == null) |
| { |
| _log.error("Null Destination "); |
| throw new IOException("Null destination!"); |
| } |
| |
| try |
| { |
| out.writeObject(((Referenceable) _delegate).getReference()); |
| } |
| catch (NamingException e) |
| { |
| _log.error("Failed to dereference Destination " + e.getMessage(), e); |
| throw new IOException("Failed to dereference Destination: " + e.getMessage()); |
| } |
| } |
| |
| @Override |
| public Reference getReference() throws NamingException |
| { |
| try |
| { |
| if(getDestinationType().equalsIgnoreCase(DEFAULT_QUEUE_TYPE)) |
| { |
| _delegate = new QpidQueueImpl(getDestinationAddress()); |
| } |
| else if(getDestinationType().equalsIgnoreCase(DEFAULT_TOPIC_TYPE)) |
| { |
| _delegate = new QpidTopicImpl(getDestinationAddress()); |
| } |
| else |
| { |
| throw new IllegalStateException("Unknown destination type " + getDestinationType()); |
| } |
| |
| return ((Referenceable) _delegate).getReference(); |
| |
| } |
| catch(Exception e) |
| { |
| _log.error(e.getMessage(),e); |
| throw new NamingException("Failed to create destination " + e.getMessage()); |
| } |
| |
| } |
| |
| private Object dereference(Reference ref) throws Exception |
| { |
| ObjectFactory objFactory = (ObjectFactory) Class.forName( |
| ref.getFactoryClassName()).newInstance(); |
| return objFactory.getObjectInstance(ref, null, null, null); |
| } |
| |
| public void setDestinationAddress(String destinationAddress) throws Exception |
| { |
| this._destinationAddress = destinationAddress; |
| } |
| |
| public String getDestinationAddress() |
| { |
| return this._destinationAddress; |
| } |
| |
| public void setDestinationType(String destinationType) |
| { |
| this._destinationType = destinationType; |
| } |
| |
| public String getDestinationType() |
| { |
| return this._destinationType; |
| } |
| } |