2  *  ============LICENSE_START=======================================================
 
   3  *  Copyright (C) 2021 Pantheon.tech
 
   4  *  Modifications Copyright (C) 2021-2024 Nordix Foundation
 
   5  *  ================================================================================
 
   6  *  Licensed under the Apache License, Version 2.0 (the "License");
 
   7  *  you may not use this file except in compliance with the License.
 
   8  *  You may obtain a copy of the License at
 
  10  *        http://www.apache.org/licenses/LICENSE-2.0
 
  11  *  Unless required by applicable law or agreed to in writing, software
 
  12  *  distributed under the License is distributed on an "AS IS" BASIS,
 
  13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 
  14  *  See the License for the specific language governing permissions and
 
  15  *  limitations under the License.
 
  17  *  SPDX-License-Identifier: Apache-2.0
 
  18  *  ============LICENSE_END=========================================================
 
  21 package org.onap.cps.ncmp.rest.controller;
 
  23 import lombok.AccessLevel;
 
  24 import lombok.NoArgsConstructor;
 
  25 import lombok.extern.slf4j.Slf4j;
 
  26 import org.onap.cps.ncmp.api.data.exceptions.InvalidDatastoreException;
 
  27 import org.onap.cps.ncmp.api.data.exceptions.OperationNotSupportedException;
 
  28 import org.onap.cps.ncmp.api.impl.exception.DmiClientRequestException;
 
  29 import org.onap.cps.ncmp.api.impl.exception.DmiRequestException;
 
  30 import org.onap.cps.ncmp.api.impl.exception.InvalidDmiResourceUrlException;
 
  31 import org.onap.cps.ncmp.api.impl.exception.NcmpException;
 
  32 import org.onap.cps.ncmp.api.impl.exception.ServerNcmpException;
 
  33 import org.onap.cps.ncmp.exceptions.InvalidTopicException;
 
  34 import org.onap.cps.ncmp.exceptions.PayloadTooLargeException;
 
  35 import org.onap.cps.ncmp.rest.model.DmiErrorMessage;
 
  36 import org.onap.cps.ncmp.rest.model.DmiErrorMessageDmiResponse;
 
  37 import org.onap.cps.ncmp.rest.model.ErrorMessage;
 
  38 import org.onap.cps.spi.exceptions.AlreadyDefinedException;
 
  39 import org.onap.cps.spi.exceptions.CpsException;
 
  40 import org.onap.cps.spi.exceptions.DataNodeNotFoundException;
 
  41 import org.onap.cps.spi.exceptions.DataValidationException;
 
  42 import org.springframework.http.HttpStatus;
 
  43 import org.springframework.http.ResponseEntity;
 
  44 import org.springframework.http.converter.HttpMessageNotReadableException;
 
  45 import org.springframework.web.bind.annotation.ExceptionHandler;
 
  46 import org.springframework.web.bind.annotation.RestControllerAdvice;
 
  49  * Exception handler with error message return.
 
  52 @RestControllerAdvice(assignableTypes = {NetworkCmProxyController.class, NetworkCmProxyInventoryController.class})
 
  53 @NoArgsConstructor(access = AccessLevel.PACKAGE)
 
  54 public class NetworkCmProxyRestExceptionHandler {
 
  56     private static final String CHECK_LOGS_FOR_DETAILS = "Check logs for details.";
 
  59      * Default exception handler.
 
  61      * @param exception the exception to handle
 
  62      * @return response with response code 500.
 
  65     public static ResponseEntity<Object> handleInternalServerErrorExceptions(final Exception exception) {
 
  66         return buildErrorResponse(HttpStatus.INTERNAL_SERVER_ERROR, exception);
 
  69     @ExceptionHandler({CpsException.class, ServerNcmpException.class})
 
  70     public static ResponseEntity<Object> handleAnyOtherCpsExceptions(final Exception exception) {
 
  71         return buildErrorResponse(HttpStatus.INTERNAL_SERVER_ERROR, exception);
 
  74     @ExceptionHandler({DmiClientRequestException.class})
 
  75     public static ResponseEntity<Object> handleClientRequestExceptions(
 
  76             final DmiClientRequestException dmiClientRequestException) {
 
  77         return wrapDmiErrorResponse(dmiClientRequestException);
 
  80     @ExceptionHandler({DmiRequestException.class, DataValidationException.class, OperationNotSupportedException.class,
 
  81             HttpMessageNotReadableException.class, InvalidTopicException.class, InvalidDatastoreException.class,
 
  82             InvalidDmiResourceUrlException.class})
 
  83     public static ResponseEntity<Object> handleDmiRequestExceptions(final Exception exception) {
 
  84         return buildErrorResponse(HttpStatus.BAD_REQUEST, exception);
 
  87     @ExceptionHandler({AlreadyDefinedException.class})
 
  88     public static ResponseEntity<Object> handleAlreadyDefinedExceptions(final Exception exception) {
 
  89         return buildErrorResponse(HttpStatus.CONFLICT, exception);
 
  92     @ExceptionHandler({DataNodeNotFoundException.class})
 
  93     public static ResponseEntity<Object> handleNotFoundExceptions(final Exception exception) {
 
  94         return buildErrorResponse(HttpStatus.NOT_FOUND, exception);
 
  97     @ExceptionHandler({PayloadTooLargeException.class})
 
  98     public static ResponseEntity<Object> handlePayloadTooLargeExceptions(final Exception exception) {
 
  99         return buildErrorResponse(HttpStatus.PAYLOAD_TOO_LARGE, exception);
 
 102     private static ResponseEntity<Object> buildErrorResponse(final HttpStatus status, final Exception exception) {
 
 103         if (exception.getCause() != null || !(exception instanceof CpsException)) {
 
 104             log.error("Exception occurred", exception);
 
 106         final var errorMessage = new ErrorMessage();
 
 107         errorMessage.setStatus(status.toString());
 
 108         errorMessage.setMessage(exception.getMessage());
 
 109         if (exception instanceof CpsException) {
 
 110             errorMessage.setDetails(((CpsException) exception).getDetails());
 
 111         } else if (exception instanceof NcmpException) {
 
 112             errorMessage.setDetails(((NcmpException) exception).getDetails());
 
 114             errorMessage.setDetails(CHECK_LOGS_FOR_DETAILS);
 
 116         errorMessage.setDetails(
 
 117                 exception instanceof CpsException ? ((CpsException) exception).getDetails() : CHECK_LOGS_FOR_DETAILS);
 
 118         return new ResponseEntity<>(errorMessage, status);
 
 121     private static ResponseEntity<Object> wrapDmiErrorResponse(final DmiClientRequestException
 
 122                                                                        dmiClientRequestException) {
 
 123         final var dmiErrorMessage = new DmiErrorMessage();
 
 124         final var dmiErrorResponse = new DmiErrorMessageDmiResponse();
 
 125         dmiErrorResponse.setHttpCode(dmiClientRequestException.getHttpStatusCode());
 
 126         dmiErrorResponse.setBody(dmiClientRequestException.getResponseBodyAsString());
 
 127         dmiErrorMessage.setMessage(dmiClientRequestException.getMessage());
 
 128         dmiErrorMessage.setDmiResponse(dmiErrorResponse);
 
 129         return new ResponseEntity<>(dmiErrorMessage, HttpStatus.BAD_GATEWAY);