/*
*
* 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.ConnectionFactory;
import javax.jms.Connection;
import javax.jms.JMSException;
import javax.naming.NamingException;
import javax.naming.Reference;
import javax.naming.Referenceable;
import javax.naming.spi.ObjectFactory;
import org.apache.qpid.client.AMQConnectionFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
*
*
*/
public class QpidConnectionFactoryProxy implements Externalizable, Referenceable, ConnectionFactory, Serializable
{
private static final Logger _log = LoggerFactory.getLogger(QpidDestinationProxy.class);
private String _connectionURL;
private ConnectionFactory _delegate;
/**
* This constructor should not only be used be de-serialisation code. Create
* original object with the other constructor.
*/
public QpidConnectionFactoryProxy()
{
}
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException
{
Reference ref = (Reference) in.readObject();
try
{
_delegate = (ConnectionFactory) dereference(ref);
} catch (Exception e)
{
_log.error("Failed to dereference ConnectionFactory " + e.getMessage(), e);
throw new IOException("Failed to dereference ConnectionFactory: " + e.getMessage());
}
}
public void writeExternal(ObjectOutput out) throws IOException
{
try
{
if(_delegate == null)
{
getReference();
}
out.writeObject(((Referenceable) _delegate).getReference());
}
catch (Exception e)
{
_log.error("Failed to dereference ConnectionFactory " + e.getMessage(), e);
throw new IOException("Failed to dereference ConnectionFactory: " + e.getMessage());
}
}
@Override
public Reference getReference() throws NamingException
{
try
{
_delegate = new AMQConnectionFactory(getConnectionURL());
/*
QpidResourceAdapter ra = new QpidResourceAdapter();
QpidRAManagedConnectionFactory mcf = new QpidRAManagedConnectionFactory();
mcf.setResourceAdapter(ra);
mcf.setConnectionURL(getConnectionURL());
delegate = new QpidRAConnectionFactoryImpl(mcf, null);
*/
return ((Referenceable) _delegate).getReference();
}
catch(Exception e)
{
throw new NamingException(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 setConnectionURL(final String connectionURL)
{
this._connectionURL = connectionURL;
}
public String getConnectionURL()
{
return this._connectionURL;
}
/**
* Create a connection
* @return The connection
* @exception JMSException Thrown if the operation fails
*/
public Connection createConnection() throws JMSException
{
try
{
if(_delegate == null)
{
getReference();
}
return _delegate.createConnection();
}
catch(Exception e)
{
throw new JMSException(e.getMessage());
}
}
/**
* Create a connection
* @param userName The user name
* @param password The password
* @return The connection
* @exception JMSException Thrown if the operation fails
*/
public Connection createConnection(final String userName, final String password) throws JMSException
{
return _delegate.createConnection(userName, password);
}
}