{title:'Using with OSGi'}

Since REST servlets are basically just HttpServlets, incorporating them into an OSGi environment is pretty straightforward.

The following code shows how to register your REST servlets in an OSGi Activator:

| package org.apache.juneau.examples.rest; | | import org.osgi.framework.*; | import org.osgi.service.http.*; | import org.osgi.util.tracker.*; | | import org.apache.juneau.rest.samples.*; | | /** | * Activator class used when running samples as a bundle in an OSGi environment. | */ | public class Activator implements BundleActivator, ServiceTrackerCustomizer { | | private ServiceTracker httpServiceTracker; | private BundleContext context; | | @Override /* BundleActivator */ | public void start(BundleContext context) throws Exception { | this. context = context; | httpServiceTracker = new ServiceTracker(context, HttpService. class.getName(), this); | httpServiceTracker.open(); | } | | @Override /* BundleActivator */ | public void stop(BundleContext context) throws Exception { | httpServiceTracker.close(); | } | | @Override /* ServiceTrackerCustomizer */ | public Object addingService(ServiceReference reference) { | Object service = context.getService(reference); | | if (service instanceof HttpService) { | HttpService service = (HttpService)service; | try { | service.registerServlet("/sample", new MyRestServlet(), null, null); | } catch (Exception e) { | throw new RuntimeException(e); | } | } | | return service; | } | | @Override /* ServiceTrackerCustomizer */ | public void modifiedService(ServiceReference reference, Object service) { | } | | @Override /* ServiceTrackerCustomizer */ | public void removedService(ServiceReference reference, Object service) { | } | }