RestApiResponseErrorHandler.java
/*
* Copyright 2022 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.bremersee.exception;
import java.io.IOException;
import java.util.Optional;
import lombok.extern.slf4j.Slf4j;
import org.bremersee.exception.model.RestApiException;
import org.springframework.http.client.ClientHttpResponse;
import org.springframework.lang.NonNull;
import org.springframework.web.client.ResponseErrorHandler;
/**
* The rest api response error handler.
*
* @author Christian Bremer
*/
@Slf4j
public class RestApiResponseErrorHandler implements ResponseErrorHandler {
private final RestApiExceptionParser restApiExceptionParser;
/**
* Instantiates a new rest api response error handler.
*/
public RestApiResponseErrorHandler() {
this(null);
}
/**
* Instantiates a new rest api response error handler.
*
* @param restApiExceptionParser the rest api exception parser
*/
public RestApiResponseErrorHandler(RestApiExceptionParser restApiExceptionParser) {
this.restApiExceptionParser = Optional.ofNullable(restApiExceptionParser)
.orElseGet(RestApiExceptionParserImpl::new);
}
@Override
public boolean hasError(@NonNull ClientHttpResponse response) throws IOException {
return response.getStatusCode().isError();
}
@Override
public void handleError(@NonNull ClientHttpResponse response) throws IOException {
RestApiException restApiException = restApiExceptionParser.parseException(
response.getBody(),
response.getStatusCode(),
response.getHeaders());
RestApiResponseException exception = new RestApiResponseException(
response.getStatusCode(), restApiException);
log.error("A rest api exception occurred: {}", restApiException, exception);
throw exception;
}
}