2 * ============LICENSE_START==========================================
4 * ===================================================================
5 * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
6 * ===================================================================
7 * Modifications Copyright (c) 2019 Samsung
8 * ===================================================================
10 * Unless otherwise specified, all software contained herein is licensed
11 * under the Apache License, Version 2.0 (the "License");
12 * you may not use this software except in compliance with the License.
13 * You may obtain a copy of the License at
15 * http://www.apache.org/licenses/LICENSE-2.0
17 * Unless required by applicable law or agreed to in writing, software
18 * distributed under the License is distributed on an "AS IS" BASIS,
19 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
20 * See the License for the specific language governing permissions and
21 * limitations under the License.
23 * Unless otherwise specified, all documentation contained herein is licensed
24 * under the Creative Commons License, Attribution 4.0 Intl. (the "License");
25 * you may not use this documentation except in compliance with the License.
26 * You may obtain a copy of the License at
28 * https://creativecommons.org/licenses/by/4.0/
30 * Unless required by applicable law or agreed to in writing, documentation
31 * distributed under the License is distributed on an "AS IS" BASIS,
32 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
33 * See the License for the specific language governing permissions and
34 * limitations under the License.
36 * ============LICENSE_END============================================
41 package org.onap.portal.validation;
44 import java.util.stream.Collectors;
45 import javax.validation.ConstraintViolation;
46 import javax.validation.Validation;
47 import javax.validation.Validator;
48 import javax.validation.ValidatorFactory;
49 import org.springframework.stereotype.Service;
52 public class DataValidator {
53 private volatile static ValidatorFactory VALIDATOR_FACTORY;
55 public DataValidator() {
56 if (VALIDATOR_FACTORY == null) {
57 synchronized (DataValidator.class) {
58 if (VALIDATOR_FACTORY == null) {
59 VALIDATOR_FACTORY = Validation.buildDefaultValidatorFactory();
65 public <E> Set<ConstraintViolation<E>> getConstraintViolations(E classToValid) {
66 Validator validator = VALIDATOR_FACTORY.getValidator();
67 return validator.validate(classToValid);
70 public <E> String getConstraintViolationsString(E classToValid){
71 return getConstraintViolations(classToValid).stream().map(ConstraintViolation::getMessage).collect(Collectors.joining(", "));
74 public <E> boolean isValid(E classToValid) {
75 Set<ConstraintViolation<E>> constraintViolations = getConstraintViolations(classToValid);
76 return constraintViolations.isEmpty();