Accessing a OSGi service from Java

osgi-service-access.java

import java.util.ArrayList;
import java.util.List
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceReference;

List<String> results = new ArrayList<String>();
ServiceReference[] references = context.getServiceReferences(MyService.class.getName(), null);
for (int r = 0; r < references.length; r++) {
	ServiceReference reference = references[r];
	if (reference == null) {
		continue;
	}
	try {
		MyService service = (MyService) context.getService(reference);
		if (service != null) {
			String result = service.doSomething();
			results.add(result);
		}
	}
	finally {
		context.ungetService(reference);
	}
}