java-code-example/Felix/src/Activator.java at master · cherkavi/java-code-example · GitHub

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import org.osgi.framework.BundleActivator;

import org.osgi.framework.BundleContext;

/**

* This class implements a simple bundle that utilizes the OSGi

* framework's event mechanism to listen for service events. Upon

* receiving a service event, it prints out the event's details.

**/

public class Activator implements BundleActivator{

private GuiEnterPoint gui;

/**

* Implements BundleActivator.start(). Prints

* a message and adds itself to the bundle context as a service

* listener.

* @param context the framework context for the bundle.

**/

public void start(BundleContext context)

{

System.out.println("Starting to listen for service events.");

gui=new GuiEnterPoint();

}

/**

* Implements BundleActivator.stop(). Prints

* a message and removes itself from the bundle context as a

* service listener.

* @param context the framework context for the bundle.

**/

public void stop(BundleContext context)

{

System.out.println("Stopped listening for service events.");

// Note: It is not required that we remove the listener here,

// since the framework will do it automatically anyway.

gui.setVisible(false);

gui.dispose();

}

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