/*
*
* 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.amqp_1_0.jms.jndi;
import org.apache.qpid.amqp_1_0.jms.impl.ConnectionFactoryImpl;
import org.apache.qpid.amqp_1_0.jms.impl.DestinationImpl;
import org.apache.qpid.amqp_1_0.jms.impl.QueueImpl;
import org.apache.qpid.amqp_1_0.jms.impl.TopicImpl;
import java.io.BufferedInputStream;
import java.io.FileInputStream;
import java.io.IOException;
import java.net.MalformedURLException;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.Map;
import java.util.Properties;
import java.util.concurrent.ConcurrentHashMap;
import javax.jms.ConnectionFactory;
import javax.jms.Destination;
import javax.jms.Queue;
import javax.jms.Topic;
import javax.naming.Context;
import javax.naming.NamingException;
import javax.naming.spi.InitialContextFactory;
public class PropertiesFileInitialContextFactory implements InitialContextFactory
{
private String CONNECTION_FACTORY_PREFIX = "connectionfactory.";
private String DESTINATION_PREFIX = "destination.";
private String QUEUE_PREFIX = "queue.";
private String TOPIC_PREFIX = "topic.";
public Context getInitialContext(Hashtable environment) throws NamingException
{
Map data = new ConcurrentHashMap();
String file = null;
try
{
if (environment.containsKey(Context.PROVIDER_URL))
{
file = (String) environment.get(Context.PROVIDER_URL);
}
else
{
file = System.getProperty(Context.PROVIDER_URL);
}
if (file != null)
{
// Load the properties specified
BufferedInputStream inputStream = new BufferedInputStream(new FileInputStream(file));
Properties p = new Properties();
try
{
p.load(inputStream);
}
finally
{
inputStream.close();
}
for (Map.Entry me : p.entrySet())
{
String key = (String) me.getKey();
String value = (String) me.getValue();
environment.put(key, value);
if (System.getProperty(key) == null)
{
System.setProperty(key, value);
}
}
}
else
{
throw new NamingException("No Provider URL specified.");
}
}
catch (IOException ioe)
{
NamingException ne = new NamingException("Unable to load property file:" + file +".");
ne.setRootCause(ioe);
throw ne;
}
try
{
createConnectionFactories(data, environment);
}
catch (MalformedURLException e)
{
NamingException ne = new NamingException();
ne.setRootCause(e);
throw ne;
}
createDestinations(data, environment);
createQueues(data, environment);
createTopics(data, environment);
return createContext(data, environment);
}
protected ReadOnlyContext createContext(Map data, Hashtable environment)
{
return new ReadOnlyContext(environment, data);
}
protected void createConnectionFactories(Map data, Hashtable environment) throws MalformedURLException
{
for (Iterator iter = environment.entrySet().iterator(); iter.hasNext();)
{
Map.Entry entry = (Map.Entry) iter.next();
String key = entry.getKey().toString();
if (key.startsWith(CONNECTION_FACTORY_PREFIX))
{
String jndiName = key.substring(CONNECTION_FACTORY_PREFIX.length());
ConnectionFactory cf = createFactory(entry.getValue().toString().trim());
if (cf != null)
{
data.put(jndiName, cf);
}
}
}
}
protected void createDestinations(Map data, Hashtable environment)
{
for (Iterator iter = environment.entrySet().iterator(); iter.hasNext();)
{
Map.Entry entry = (Map.Entry) iter.next();
String key = entry.getKey().toString();
if (key.startsWith(DESTINATION_PREFIX))
{
String jndiName = key.substring(DESTINATION_PREFIX.length());
Destination dest = createDestination(entry.getValue().toString().trim());
if (dest != null)
{
data.put(jndiName, dest);
}
}
}
}
protected void createQueues(Map data, Hashtable environment)
{
for (Iterator iter = environment.entrySet().iterator(); iter.hasNext();)
{
Map.Entry entry = (Map.Entry) iter.next();
String key = entry.getKey().toString();
if (key.startsWith(QUEUE_PREFIX))
{
String jndiName = key.substring(QUEUE_PREFIX.length());
Queue q = createQueue(entry.getValue().toString().trim());
if (q != null)
{
data.put(jndiName, q);
}
}
}
}
protected void createTopics(Map data, Hashtable environment)
{
for (Iterator iter = environment.entrySet().iterator(); iter.hasNext();)
{
Map.Entry entry = (Map.Entry) iter.next();
String key = entry.getKey().toString();
if (key.startsWith(TOPIC_PREFIX))
{
String jndiName = key.substring(TOPIC_PREFIX.length());
Topic t = createTopic(entry.getValue().toString().trim());
if (t != null)
{
data.put(jndiName, t);
}
}
}
}
private ConnectionFactory createFactory(String url) throws MalformedURLException
{
return ConnectionFactoryImpl.createFromURL(url);
}
private DestinationImpl createDestination(String str)
{
return DestinationImpl.createDestination(str);
}
private QueueImpl createQueue(String address)
{
return QueueImpl.createQueue(address);
}
private TopicImpl createTopic(String address)
{
return TopicImpl.createTopic(address);
}
}