public IStatus getArtifacts(IArtifactRequest[] requests, IProgressMonitor monitor) {
   SubMonitor subMonitor = SubMonitor.convert(monitor, requests.length);
   try {
     MultiStatus overallStatus =
         new MultiStatus(TestActivator.PI_PROV_TESTS, IStatus.OK, null, null);
     for (int i = 0; i < requests.length; i++) {
       overallStatus.add(getArtifact((ArtifactRequest) requests[i], subMonitor.newChild(1)));
     }
     return (monitor.isCanceled() ? Status.CANCEL_STATUS : overallStatus);
   } finally {
     subMonitor.done();
   }
 }