Activator.java

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package com.buglabs.bug.module.camera;

import java.io.File;
import java.util.Dictionary;
import java.util.Hashtable;

import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceRegistration;

import com.buglabs.bug.bmi.api.AbstractBUGModuleActivator;
import com.buglabs.bug.bmi.api.BMIModuleProperties;
import com.buglabs.bug.bmi.api.IModlet;
import com.buglabs.bug.bmi.sysfs.BMIDevice;
import com.buglabs.bug.bmi.sysfs.BMIDeviceNodeFactory;
import com.buglabs.bug.module.camera.pub.CameraSysfsNode;

/**
 * Java API bundle for Camera module.
 * 
 * @author kgilmer
 * 
 */
public class Activator extends AbstractBUGModuleActivator {

	private ServiceRegistration sysfsSr;

	public void start(BundleContext context) throws Exception {
		super.start(context);
		Dictionary d = new Hashtable();
		d.put(BMIDeviceNodeFactory.MODULE_ID_SERVICE_PROPERTY, getModuleId());
		sysfsSr = context.registerService(BMIDeviceNodeFactory.class.getName(), new CameraSysfsFactoryImpl(), d);
	}

	public void stop(BundleContext context) throws Exception {
		sysfsSr.unregister();
		super.stop(context);
	}

	public IModlet createModlet(BundleContext context, int slotId, BMIDevice properties) {
		return new CameraModlet(context, slotId, getModuleId(), properties);
	}
	
	private class CameraSysfsFactoryImpl implements BMIDeviceNodeFactory {
		@Override
		public BMIDevice createBMIDeviceNode(File baseDirectory, int slotIndex) {
			
			return new CameraSysfsNode(baseDirectory, slotIndex);
		}
	}

	@Override
	public Dictionary getModletProperties() {
		// TODO Auto-generated method stub
		return null;
	}
}