Spring framework offers RestTemplate for consuming RESTful services. Recently I used RestTemplate for consuming one of the third party RESTful service.
RestTemplate offers 'ResponseErrorHandler'; which you can extend to decide which are errors for you and how to handle those error. You can override hasError and handleError methods of ResponseErrorHandler.
In handleError you can throw customException if you want, as outlined in below code.
import org.springframework.http.HttpStatus;
import org.springframework.http.client.ClientHttpResponse;
import org.springframework.web.client.ResponseErrorHandler;
import java.io.IOException;
public class RestTemplateErrorHandler implements ResponseErrorHandler {
@Override
public void handleError(ClientHttpResponse response) throws IOException
{
throw new MyCustomException(response.getStatusText(), response.getStatusCode());
}
@Override
public boolean hasError(ClientHttpResponse response) throws IOException
…
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