2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2023 Nordix Foundation.
4 * ================================================================================
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * 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.oransc.participant.dme.validator;
23 import jakarta.validation.ConstraintValidator;
24 import jakarta.validation.ConstraintValidatorContext;
25 import java.beans.PropertyDescriptor;
26 import java.lang.reflect.InvocationTargetException;
27 import org.springframework.beans.BeanUtils;
29 public class AtleastOneNonNullFieldValidator implements ConstraintValidator<AtleastOneNonNullField, Object> {
34 public void initialize(AtleastOneNonNullField atleastOneNonNullField) {
35 fieldNames = atleastOneNonNullField.fieldNames();
39 public boolean isValid(Object object, ConstraintValidatorContext constraintValidatorContext) {
43 for (String fieldName : fieldNames) {
45 PropertyDescriptor propertyDescriptor = BeanUtils.getPropertyDescriptor(object.getClass(), fieldName);
46 if (propertyDescriptor != null) {
47 Object fieldValue = propertyDescriptor.getReadMethod().invoke(object);
48 if (fieldValue != null) {
52 } catch (IllegalAccessException | InvocationTargetException e) {