private void validateResponse(HTTPResponse response) {
HTTPStatus status = response.status();
if (status.code >= HTTPStatus.OK.code && status.code <= 300) return;
try {
if (status == HTTPStatus.BAD_REQUEST) {
ValidationErrorResponse validationErrorResponse =
JSON.fromJSON(ValidationErrorResponse.class, response.text());
throw new RemoteServiceException(
"failed to validate, message="
+ validationErrorResponse.message
+ ", fieldErrors="
+ validationErrorResponse.fieldErrors);
} else {
ErrorResponse errorResponse = JSON.fromJSON(ErrorResponse.class, response.text());
throw new RemoteServiceException(errorResponse.message);
}
} catch (RemoteServiceException e) {
throw e;
} catch (Exception e) {
logger.warn(
"failed to decode response, statusCode={}, responseText={}",
status.code,
response.text(),
e);
throw new RemoteServiceException(
"received non 2xx status code, status="
+ status.code
+ ", remoteMessage="
+ response.text(),
e);
}
}
public <T> T execute(
HTTPMethod method,
String path,
Map<String, String> pathParams,
Object requestBean,
Type responseType) {
logger.debug(
"call web service, serviceURL={}, method={}, path={}, pathParams={}",
serviceURL,
method,
path,
pathParams);
validateRequestBean(requestBean);
String serviceURL = serviceURL(path, pathParams);
HTTPRequest httpRequest = new HTTPRequest(method, serviceURL);
linkContext(httpRequest);
if (requestBean != null) {
String json = JSON.toJSON(requestBean);
if (method == HTTPMethod.GET || method == HTTPMethod.DELETE) {
Map<String, String> queryParams =
JSON.fromJSON(Types.map(String.class, String.class), json);
queryParams.forEach(httpRequest::addParam);
} else if (method == HTTPMethod.POST || method == HTTPMethod.PUT) {
httpRequest.text(json, ContentTypes.APPLICATION_JSON);
} else {
throw Exceptions.error("not supported method, method={}", method);
}
}
if (signer != null) {
logger.debug("sign request, signer={}", signer.getClass().getCanonicalName());
signer.sign(httpRequest);
}
HTTPResponse response = httpClient.execute(httpRequest);
validateResponse(response);
if (void.class != responseType) {
return JSON.fromJSON(responseType, response.text());
} else {
return null;
}
}