GPS NMEA printer

GPSNMEAPrinter.Activator.java

/**
 * Generated by Dragonfly SDK.
 */
package gpsstreamtest;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Map;

import com.buglabs.bug.module.gps.pub.INMEASentenceProvider;
import com.buglabs.bug.module.gps.pub.INMEARawFeed;

import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import org.osgi.util.tracker.ServiceTracker;

import com.buglabs.application.ServiceTrackerHelper;

/**
 * BundleActivator for GPSStreamTest. The OSGi entry point to the application.
 * 
 */
public class Activator implements BundleActivator {
	/**
	 * OSGi services the application depends on.
	 */
	private static final String[] services = {
			INMEASentenceProvider.class.getName(),
			INMEARawFeed.class.getName(), };
	private ServiceTracker serviceTracker;

	/*
	 * (non-Javadoc)
	 * 
	 * @see
	 * org.osgi.framework.BundleActivator#start(org.osgi.framework.BundleContext
	 * )
	 */
	public void start(BundleContext context) throws Exception {
		serviceTracker = ServiceTrackerHelper.openServiceTracker(context,
				services, new ServiceTrackerHelper.ManagedInlineRunnable() {

					@Override
					public void run(Map<Object, Object> services) {
						INMEASentenceProvider inmeasentenceprovider = (INMEASentenceProvider) services
								.get(INMEASentenceProvider.class.getName());
						INMEARawFeed inmearawfeed = (INMEARawFeed) services
								.get(INMEARawFeed.class.getName());
						try {
							BufferedReader reader = new BufferedReader(
									new InputStreamReader(inmearawfeed
											.getInputStream()));

							String read;
							while ((read = reader.readLine()) != null) {
								System.out.println(reader.readLine());
							}

						} catch (IOException e) {
							// TODO Auto-generated catch block
							e.printStackTrace();
						}
						// Warning, this method will be called from within the
						// same thread as the OSGi framework. Long running
						// operations should be avoided here.
						// Implement application here.

					}

					@Override
					public void shutdown() {
						// TODO Perform cleanup operations as necessary.

					}
				});

	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see
	 * org.osgi.framework.BundleActivator#stop(org.osgi.framework.BundleContext)
	 */
	public void stop(BundleContext context) throws Exception {

		// Will cause the ManagedRunnable.shutdown() to be called.
		serviceTracker.close();
	}

}