/*
 * 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 callback.service;

import java.util.Hashtable;

import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceReference;
import org.osoa.sca.annotations.Callback;

import callback.client.CallbackCallback;

/*
 * OSGi Callback service implementation
 */
public class OSGiCallbackServiceImpl implements CallbackService, BundleActivator {

    @Callback
    protected CallbackCallback callback;
    
    
    private BundleContext bundleContext;

    public void knockKnock(String aString) {

        System.out.println("CallbackServiceImpl message received: " + aString);
        callback.callbackMessage("Who's There");
        System.out.println("CallbackServiceImpl response sent");
        return;

    }

    public void multiCallback(String aString) {

        System.out.println("CallbackServiceImpl message received: " + aString);
        callback.callbackIncrement("Who's There 1");
        System.out.println("CallbackServiceImpl response sent");
        callback.callbackIncrement("Who's There 2");
        System.out.println("CallbackServiceImpl response sent");
        callback.callbackIncrement("Who's There 3");
        System.out.println("CallbackServiceImpl response sent");
        return;

    }

    public void noCallback(String aString) {

        System.out.println("CallbackServiceImpl message received: " + aString);
        // System.out.println("CallbackServiceImpl No response desired");
        return;

    }
    

    public void start(BundleContext bc) throws Exception {
        
        System.out.println("Started OSGiCallbackServiceImpl bundle ");
        
        this.bundleContext = bc;
        
        Hashtable<String, Object> serviceProps = new Hashtable<String, Object>();
        serviceProps.put("component.service.name", "CallbackService/CallbackService");
        bundleContext.registerService("callback.service.CallbackService", this, serviceProps);
        
       
        ServiceReference ref= bundleContext.getServiceReference("callback.client.CallbackCallback");
        
        if (ref != null)
            callback = (CallbackCallback)bundleContext.getService(ref);
        
    }
    
    public void stop(BundleContext bc)  {
    }
    
    
  
}