org.apache.felix.upnp.tester/src/main/java/org/apache/felix/upnp/tester/discovery/DriverProxy.java

/*
 *   Copyright 2006 The Apache Software Foundation
 *
 *   Licensed 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.felix.upnp.tester.discovery;

import org.apache.felix.upnp.extra.controller.*;
import org.apache.felix.upnp.tester.*;

import org.osgi.framework.*;
/**
 * @author Stefano "Kismet" Lenzi 
 * @author Francesco Furfari 
 *  
 */
public class DriverProxy implements ServiceListener {
    private DevicesInfo devicesInfo;
    private DriverController drvController;
    public DriverProxy(){
        ServiceReference sr = Activator.context.getServiceReference(DevicesInfo.class.getName());
        if (sr != null){
            devicesInfo = (DevicesInfo)Activator.context.getService(sr);
            drvController = (DriverController) devicesInfo;
            Mediator.getControlPoint().enableMenus(true,getLogLevel(),getCyberDebug());
            Mediator.getTreeViewer().setPopupMenuEnabled(true);
        }
        String filter =  "(" + Constants.OBJECTCLASS + "=" + DevicesInfo.class.getName() + ")" ;
        try {
            Activator.context.addServiceListener(this,filter);  
        } catch (Exception ignored){};
     }
    
    public boolean isDriverAvailable(){
        return (drvController != null);
    }
    
    public String getDeviceDescriptionURI(String udn){
        if (devicesInfo != null)
            return devicesInfo.getLocationURL(udn);
        return "";
    }
    
    public String getServiceDescriptionURI(String udn,String serviceId){
        if (devicesInfo != null)
            return devicesInfo.getSCPDURL(udn,serviceId);
        return null;
    }
    
    public String resolveRelativeUrl(String udn,String link){
        if (devicesInfo != null)
            return devicesInfo.resolveRelativeUrl(udn,link);
        return null;
    }
    
    public boolean getCyberDebug(){
        if (drvController != null)
            return drvController.getCyberDebug();
        return false;
    }
    public void setCyberDebug(boolean b){
        if (drvController != null)
            drvController.setCyberDebug(b);
    }
    public int getLogLevel(){
        if (drvController != null)
            return drvController.getLogLevel();
        return 0;
    }
    
    public void setLogLevel(int value){
        if (drvController != null)
            drvController.setLogLevel(value);
    }
    public void doSearch(String target){
        if (drvController != null)
            drvController.search(target);
    }
    
    
    public void serviceChanged(ServiceEvent e) {
        switch(e.getType()){
            case ServiceEvent.REGISTERED:{
                Object service = Activator.context.getService(e.getServiceReference());
                if (service != null){
                devicesInfo = (DevicesInfo) service;
                drvController = (DriverController) devicesInfo;
                Mediator.getControlPoint().enableMenus(true,getLogLevel(),getCyberDebug());
                Mediator.getTreeViewer().setPopupMenuEnabled(true);
                }
            };break;
            case ServiceEvent.UNREGISTERING:{   
                devicesInfo = null;
                drvController =null;
                Mediator.getControlPoint().enableMenus(false,0,false);
                Mediator.getTreeViewer().setPopupMenuEnabled(false);
            };break;
        }       
    }
    
    public void close(){
        Activator.context.removeServiceListener(this);           
    }


}