@Override
public void onSuccess(JsonResponse<T> response) {
try {
if (response.getStatusCode() == HttpStatus.OK.code() && response.hasValue()) {
callback.success(response.getValue());
} else if (response.getStatusCode() == HttpStatus.SERVICE_UNAVAILABLE.code()) {
callback.failed(new ServiceUnavailableException(uri));
} else {
// Something is broken in the server or the client, so fail the task immediately (includes
// 500 errors)
Exception cause = response.getException();
if (cause == null) {
if (response.getStatusCode() == HttpStatus.OK.code()) {
cause =
new PrestoException(
REMOTE_TASK_ERROR, format("Expected response from %s is empty", uri));
} else {
cause =
new PrestoException(
REMOTE_TASK_ERROR,
format(
"Expected response code from %s to be %s, but was %s: %s%n%s",
uri,
HttpStatus.OK.code(),
response.getStatusCode(),
response.getStatusMessage(),
response.getResponseBody()));
}
}
callback.fatal(cause);
}
} catch (Throwable t) {
// this should never happen
callback.fatal(t);
}
}
@Override
public void onFailure(Throwable t) {
callback.failed(t);
}