2 * ========================LICENSE_START=================================
4 * ======================================================================
5 * Copyright (C) 2024 OpenInfra Foundation Europe. All rights reserved.
6 * ======================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ========================LICENSE_END===================================
21 package org.onap.ccsdk.oran.a1policymanagementservice.service.v3;
23 import org.onap.ccsdk.oran.a1policymanagementservice.controllers.v2.PolicyController;
24 import org.onap.ccsdk.oran.a1policymanagementservice.exceptions.ServiceException;
25 import org.onap.ccsdk.oran.a1policymanagementservice.models.v3.ProblemDetails;
26 import org.slf4j.Logger;
27 import org.slf4j.LoggerFactory;
28 import org.springframework.http.*;
29 import org.springframework.stereotype.Service;
30 import org.springframework.web.reactive.function.client.WebClientException;
31 import org.springframework.web.reactive.function.client.WebClientResponseException;
32 import reactor.core.publisher.Mono;
34 import java.lang.invoke.MethodHandles;
35 import java.math.BigDecimal;
38 public class ErrorHandlingService {
40 private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
41 public Mono<ResponseEntity<ProblemDetails>> handleError(Throwable throwable) {
42 if (throwable instanceof WebClientResponseException) {
43 WebClientResponseException e = (WebClientResponseException) throwable;
44 return createErrorResponse(e.getResponseBodyAsString(), e.getStatusCode());
45 } else if (throwable instanceof WebClientException) {
46 WebClientException e = (WebClientException) throwable;
47 return createErrorResponse(e.getMessage(), HttpStatus.BAD_GATEWAY);
48 } else if (throwable instanceof ServiceException) {
49 ServiceException e = (ServiceException) throwable;
50 return createErrorResponse(e.getMessage(), e.getHttpStatus());
52 return createErrorResponse(throwable.getMessage(), HttpStatus.INTERNAL_SERVER_ERROR);
56 public Mono<ResponseEntity<ProblemDetails>> createErrorResponse(String errorBody, HttpStatusCode statusCode) {
57 logger.debug("Error content: {}, with status code {}", errorBody, statusCode);
58 ProblemDetails problemDetail = new ProblemDetails().type("about:blank");
59 problemDetail.setDetail(errorBody);
60 problemDetail.setStatus(new BigDecimal(statusCode.value()));
61 HttpHeaders headers = new HttpHeaders();
62 headers.setContentType(MediaType.APPLICATION_PROBLEM_JSON);
63 return Mono.just(new ResponseEntity<>(problemDetail, headers, statusCode));