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/*
* ============LICENSE_START=======================================================
* Copyright (C) 2021 Pantheon.tech
* ================================================================================
* 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.cps.nfproxy.rest.exceptions;
import lombok.AccessLevel;
import lombok.NoArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.exception.ExceptionUtils;
import org.onap.cps.nfproxy.rest.controller.NfProxyController;
import org.onap.cps.nfproxy.rest.model.ErrorMessage;
import org.onap.cps.spi.exceptions.CpsException;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;
/**
* Exception handler with error message return.
*/
@Slf4j
@NoArgsConstructor(access = AccessLevel.PRIVATE)
@RestControllerAdvice(assignableTypes = {NfProxyController.class})
public class NfProxyRestExceptionHandler {
/**
* Default exception handler.
*
* @param exception the exception to handle
* @return response with response code 500.
*/
@ExceptionHandler
public static ResponseEntity<Object> handleInternalServerErrorExceptions(
final Exception exception) {
return buildErrorResponse(HttpStatus.INTERNAL_SERVER_ERROR, exception);
}
@ExceptionHandler({CpsException.class})
public static ResponseEntity<Object> handleAnyOtherCpsExceptions(final CpsException exception) {
return buildErrorResponse(HttpStatus.INTERNAL_SERVER_ERROR, exception.getMessage(), extractDetails(exception));
}
private static ResponseEntity<Object> buildErrorResponse(final HttpStatus status, final Exception exception) {
return buildErrorResponse(status, exception.getMessage(), ExceptionUtils.getStackTrace(exception));
}
private static ResponseEntity<Object> buildErrorResponse(final HttpStatus status, final String message,
final String details) {
log.error("An error has occurred : {} Status: {} Details: {}", message, status, details);
final ErrorMessage errorMessage = new ErrorMessage();
errorMessage.setStatus(status.toString());
errorMessage.setMessage(message);
errorMessage.setDetails(details);
return new ResponseEntity<>(errorMessage, status);
}
private static String extractDetails(final CpsException exception) {
return exception.getCause() == null
? exception.getDetails()
: ExceptionUtils.getStackTrace(exception.getCause());
}
}
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