presentError

presentError.m

	- (void) presentError:(NSError *)error {
    
	    if ([[error domain] isEqualToString:NSURLErrorDomain]){
	        NSURL   *failingURL = [[error userInfo] valueForKey:NSURLErrorFailingURLErrorKey];
	        switch ([error code]){
				case NSURLErrorInternationalRoamingOff:
				case NSURLErrorCallIsActive:
				NSURLErrorDataNotAllowed:
	            case NSURLErrorNotConnectedToInternet:
	                [self beginObservingReachabilityStatusForHost:[failingURL host]];
	                break;
	            default:
	                break;
	        }
	    }
	    return;
	}