/*
 * 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 client;



import java.util.Properties;
import java.util.logging.Logger;

import javax.jms.Connection;
import javax.jms.ConnectionFactory;
import javax.jms.Destination;
import javax.jms.JMSException;
import javax.jms.MessageProducer;
import javax.jms.Session;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;

import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;


/**
 * 
 */
public class HelloworldActivator implements BundleActivator {
    private Logger logger = Logger.getLogger(HelloworldActivator.class.getName());

    public void start(BundleContext context) throws Exception {
        logger.info("Starting " + context.getBundle());   
        sendTextMessage("HelloworldService", "<ns2:sayHello xmlns:ns2=\"http://jms.binding.sca.tuscany.apache.org/\">Fred</ns2:sayHello>");
    }

    public void stop(BundleContext context) throws Exception {
        logger.info("Stopping " + context.getBundle());
    }
    
    protected void sendTextMessage(String destName, String payload) throws JMSException, NamingException {
        Properties props = new Properties();
        props.setProperty("java.naming.factory.initial", "org.apache.activemq.jndi.ActiveMQInitialContextFactory");
        props.setProperty("java.naming.provider.url", "vm://localhost?broker.persistent=false");
        props.setProperty("connectionFactoryNames", "ConnectionFactory");
        props.setProperty("queue.HelloworldService", "HelloworldService");
        Context context = new InitialContext(props);
        Object o = null;
        try {
            o = context.lookup("ConnectionFactory");
        } catch (Exception ex) {
            logger.info("Connection factory not found " + ex.toString());
        }
        ConnectionFactory connectionFactory = (ConnectionFactory)o;
        Connection connection = connectionFactory.createConnection();
        Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
        
        try {
            o = context.lookup(destName);
        } catch (Exception ex) {
            logger.info("Destination not found " + ex.toString());
        }
        Destination dest = (Destination)o;
        MessageProducer p = session.createProducer(dest);
        
        connection.start();
        session.run();
        p.send(session.createTextMessage(payload));
        connection.close();
    }

}