2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 - 2019 AT&T Intellectual Property. 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.vid.aai.util;
23 import java.util.List;
24 import java.util.Optional;
25 import org.onap.vid.aai.model.AaiGetNetworkCollectionDetails.KeyValueModel;
26 import org.onap.vid.aai.model.AaiGetNetworkCollectionDetails.Relationship;
27 import org.onap.vid.aai.model.AaiGetNetworkCollectionDetails.RelationshipList;
29 public class AAITreeNodeUtils {
31 private AAITreeNodeUtils() {
34 public static Optional<Relationship> findFirstRelationshipByRelatedTo(RelationshipList relationshipList, String relatedTo) {
35 if (relationshipList==null || relationshipList.getRelationship()==null) {
36 return Optional.empty();
38 return relationshipList.getRelationship().stream().filter(x->relatedTo.equals(x.getRelatedTo())).findFirst();
41 public static <T extends KeyValueModel> Optional<String> findFirstValue(List<T> data, String key) {
42 if (data==null || data.isEmpty()) {
43 return Optional.empty();
45 Optional<T> optValue = data.stream().filter(x->key.equals(x.getKey())).findFirst();
46 return optValue.map(KeyValueModel::getValue);