ServiceRegisteringActivator.java

/**
 * 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.aries.tutorials.blueprint.greeter.server.osgi;

import java.util.Properties;

import org.apache.aries.tutorials.blueprint.greeter.api.GreeterMessageService;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceRegistration;

public class ServiceRegisteringActivator implements BundleActivator {

    private ServiceRegistration greeterServiceRegistration=null;
    
    public void start(BundleContext context) throws Exception {
        //create the class providing service, and initialise it
        GreeterMessageServiceImpl helloService = new GreeterMessageServiceImpl();
        helloService.setSender("OSGI via BundleActivator");
        
        //register the service
        greeterServiceRegistration = 
            context.registerService(GreeterMessageService.class.getName(), helloService, new Properties());
    }

    public void stop(BundleContext context) throws Exception {
        //unregister the service
        if(greeterServiceRegistration!=null)
            greeterServiceRegistration.unregister();
    }

}