D-Net

package eu.dnetlib.repo.manager.controllers;

import eu.dnetlib.repo.manager.exception.EndPointException;

import org.springframework.http.HttpStatus;

import org.springframework.http.client.ClientHttpResponse;

import org.springframework.stereotype.Component;

import org.springframework.web.client.ResponseErrorHandler;

import java.io.IOException;

import static org.springframework.http.HttpStatus.Series.CLIENT_ERROR;

import static org.springframework.http.HttpStatus.Series.SERVER_ERROR;

@Component

public class RestTemplateResponseErrorHandler implements ResponseErrorHandler {

    @Override

    public boolean hasError(ClientHttpResponse httpResponse) throws IOException {

        return (httpResponse.getStatusCode().series() == CLIENT_ERROR

                || httpResponse.getStatusCode().series() == SERVER_ERROR);

    }

    @Override

    public void handleError(ClientHttpResponse httpResponse) throws IOException {

        if (httpResponse.getStatusCode().series() == HttpStatus.Series.SERVER_ERROR) {

            throw new EndPointException();

        } else if (httpResponse.getStatusCode().series() == HttpStatus.Series.CLIENT_ERROR) {

            if (httpResponse.getStatusCode() == HttpStatus.NOT_FOUND) {

                throw new IOException();

            }

        }

    }

}