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/*
* ============LICENSE_START=======================================================
* Copyright (C) 2021 Pantheon.tech
* Modifications Copyright (C) 2021-2023 Nordix Foundation
* ================================================================================
* 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.ncmp.rest.exceptions;
import lombok.AccessLevel;
import lombok.NoArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.onap.cps.ncmp.api.impl.exception.DmiRequestException;
import org.onap.cps.ncmp.api.impl.exception.HttpClientRequestException;
import org.onap.cps.ncmp.api.impl.exception.InvalidDatastoreException;
import org.onap.cps.ncmp.api.impl.exception.NcmpException;
import org.onap.cps.ncmp.api.impl.exception.ServerNcmpException;
import org.onap.cps.ncmp.rest.controller.NetworkCmProxyController;
import org.onap.cps.ncmp.rest.controller.NetworkCmProxyInventoryController;
import org.onap.cps.ncmp.rest.model.DmiErrorMessage;
import org.onap.cps.ncmp.rest.model.DmiErrorMessageDmiResponse;
import org.onap.cps.ncmp.rest.model.ErrorMessage;
import org.onap.cps.spi.exceptions.AlreadyDefinedException;
import org.onap.cps.spi.exceptions.CpsException;
import org.onap.cps.spi.exceptions.DataNodeNotFoundException;
import org.onap.cps.spi.exceptions.DataValidationException;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.http.converter.HttpMessageNotReadableException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;
/**
* Exception handler with error message return.
*/
@Slf4j
@RestControllerAdvice(assignableTypes = {NetworkCmProxyController.class, NetworkCmProxyInventoryController.class})
@NoArgsConstructor(access = AccessLevel.PACKAGE)
public class NetworkCmProxyRestExceptionHandler {
private static final String CHECK_LOGS_FOR_DETAILS = "Check logs for details.";
/**
* 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, ServerNcmpException.class})
public static ResponseEntity<Object> handleAnyOtherCpsExceptions(final Exception exception) {
return buildErrorResponse(HttpStatus.INTERNAL_SERVER_ERROR, exception);
}
@ExceptionHandler({HttpClientRequestException.class})
public static ResponseEntity<Object> handleClientRequestExceptions(
final HttpClientRequestException httpClientRequestException) {
return wrapDmiErrorResponse(HttpStatus.BAD_GATEWAY, httpClientRequestException);
}
@ExceptionHandler({DmiRequestException.class, DataValidationException.class, OperationNotSupportedException.class,
HttpMessageNotReadableException.class, InvalidTopicException.class, InvalidDatastoreException.class})
public static ResponseEntity<Object> handleDmiRequestExceptions(final Exception exception) {
return buildErrorResponse(HttpStatus.BAD_REQUEST, exception);
}
@ExceptionHandler({AlreadyDefinedException.class})
public static ResponseEntity<Object> handleAlreadyDefinedExceptions(final Exception exception) {
return buildErrorResponse(HttpStatus.CONFLICT, exception);
}
@ExceptionHandler({DataNodeNotFoundException.class})
public static ResponseEntity<Object> handleNotFoundExceptions(final CpsException exception) {
return buildErrorResponse(HttpStatus.NOT_FOUND, exception);
}
private static ResponseEntity<Object> buildErrorResponse(final HttpStatus status, final Exception exception) {
if (exception.getCause() != null || !(exception instanceof CpsException)) {
log.error("Exception occurred", exception);
}
final var errorMessage = new ErrorMessage();
errorMessage.setStatus(status.toString());
errorMessage.setMessage(exception.getMessage());
if (exception instanceof CpsException) {
errorMessage.setDetails(((CpsException) exception).getDetails());
} else if (exception instanceof NcmpException) {
errorMessage.setDetails(((NcmpException) exception).getDetails());
} else {
errorMessage.setDetails(CHECK_LOGS_FOR_DETAILS);
}
errorMessage.setDetails(
exception instanceof CpsException ? ((CpsException) exception).getDetails() : CHECK_LOGS_FOR_DETAILS);
return new ResponseEntity<>(errorMessage, status);
}
private static ResponseEntity<Object> wrapDmiErrorResponse(
final HttpStatus httpStatus,
final HttpClientRequestException httpClientRequestException) {
final var dmiErrorMessage = new DmiErrorMessage();
final var dmiErrorResponse = new DmiErrorMessageDmiResponse();
dmiErrorResponse.setHttpCode(httpClientRequestException.getHttpStatus());
dmiErrorResponse.setBody(httpClientRequestException.getDetails());
dmiErrorMessage.setMessage(httpClientRequestException.getMessage());
dmiErrorMessage.setDmiResponse(dmiErrorResponse);
return new ResponseEntity<>(dmiErrorMessage, httpStatus);
}
}
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