2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 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=========================================================
21 package org.openecomp.aai.transforms;
24 import joptsimple.internal.Objects;
26 import java.util.ArrayList;
27 import java.util.HashMap;
28 import java.util.List;
31 public class MapTraverser {
33 private Converter converter;
35 public MapTraverser(Converter converter){
36 this.converter = converter;
39 public Map<String, Object> convertKeys(Map<String, Object> map){
41 Objects.ensureNotNull(map);
43 Map<String, Object> modifiedMap = new HashMap<String, Object>();
44 convertKeys(map, modifiedMap);
49 private Map<String, Object> convertKeys(Map<String, Object> original, Map<String, Object> modified){
51 for(Map.Entry<String, Object> entry : original.entrySet()){
52 String key = entry.getKey();
53 key = converter.convert(key);
54 Object value = entry.getValue();
55 if(value instanceof Map){
56 modified.put(key, convertKeys((Map<String, Object>)value, new HashMap<String, Object>()));
57 } else if(value instanceof List){
58 modified.put(key, convertKeys((List<Object>) value));
60 modified.put(key, value);
67 public List<Object> convertKeys(List<Object> list){
69 List<Object> modifiedList = new ArrayList<Object>();
70 if(list != null && list.size() > 0){
74 Map<String, Object> map = (Map<String, Object>) o;
75 modifiedList.add(convertKeys(map));
76 } else if(o instanceof List){
77 List<Object> l = (List<Object>) o;
78 modifiedList.add(convertKeys(l));