2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright © 2017 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=========================================================
20 * ECOMP is a trademark and service mark of AT&T Intellectual Property.
22 package org.onap.aai.transforms;
25 import joptsimple.internal.Objects;
27 import java.util.ArrayList;
28 import java.util.HashMap;
29 import java.util.List;
32 public class MapTraverser {
34 private Converter converter;
36 public MapTraverser(Converter converter){
37 this.converter = converter;
40 public Map<String, Object> convertKeys(Map<String, Object> map){
42 Objects.ensureNotNull(map);
44 Map<String, Object> modifiedMap = new HashMap<String, Object>();
45 convertKeys(map, modifiedMap);
50 private Map<String, Object> convertKeys(Map<String, Object> original, Map<String, Object> modified){
52 for(Map.Entry<String, Object> entry : original.entrySet()){
53 String key = entry.getKey();
54 key = converter.convert(key);
55 Object value = entry.getValue();
56 if(value instanceof Map){
57 modified.put(key, convertKeys((Map<String, Object>)value, new HashMap<String, Object>()));
58 } else if(value instanceof List){
59 modified.put(key, convertKeys((List<Object>) value));
61 modified.put(key, value);
68 public List<Object> convertKeys(List<Object> list){
70 List<Object> modifiedList = new ArrayList<Object>();
71 if(list != null && list.size() > 0){
75 Map<String, Object> map = (Map<String, Object>) o;
76 modifiedList.add(convertKeys(map));
77 } else if(o instanceof List){
78 List<Object> l = (List<Object>) o;
79 modifiedList.add(convertKeys(l));