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) {
    }
}