2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2019, 2024 Nordix Foundation.
4 * Modifications Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
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
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
18 * SPDX-License-Identifier: Apache-2.0
19 * ============LICENSE_END=========================================================
22 package org.onap.policy.models.errors.concepts;
24 import java.util.ArrayList;
25 import java.util.List;
26 import lombok.AccessLevel;
27 import lombok.NoArgsConstructor;
30 * Utility class for managing {@link ErrorResponse objects}.
32 * @author Liam Fallon (liam.fallon@est.tech)
34 @NoArgsConstructor(access = AccessLevel.PRIVATE)
35 public final class ErrorResponseUtils {
38 * Store the cascaded messages from an exception and all its nested exceptions in an ErrorResponse object.
40 * @param throwable the top level exception
42 public static void getExceptionMessages(final ErrorResponse errorResponse, final Throwable throwable) {
43 errorResponse.setErrorMessage(throwable.getMessage());
45 List<String> cascadedErrorMessages = new ArrayList<>();
47 for (var t = throwable; t != null; t = t.getCause()) {
48 cascadedErrorMessages.add(t.getMessage());
51 if (!cascadedErrorMessages.isEmpty()) {
52 errorResponse.setErrorDetails(cascadedErrorMessages);