public interface GreetingService {
void sayHello(String name);
}
@Component
public class GreetingServiceImpl implements GreetingService {
public void sayHello(String name) {
System.out.println("Hello, " + name + "!");
}
}
public class Application {
public static void main(String[] args) {
FrameworkFactory frameworkFactory = new FrameworkFactory();
Framework framework = frameworkFactory.newFramework();
framework.start();
BundleContext bundleContext = framework.getBundleContext();
ServiceRegistration<GreetingService> registration = bundleContext.registerService(
GreetingService.class, new GreetingServiceImpl(), null);
ServiceReference<GreetingService> reference = bundleContext.getServiceReference(GreetingService.class);
GreetingService service = bundleContext.getService(reference);
service.sayHello("John");
framework.stop();
framework.waitForStop(0);
}
}
