1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*/
package org.onap.aai.transforms;
import joptsimple.internal.Objects;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class MapTraverser {
private Converter converter;
public MapTraverser(Converter converter){
this.converter = converter;
}
public Map<String, Object> convertKeys(Map<String, Object> map){
Objects.ensureNotNull(map);
Map<String, Object> modifiedMap = new HashMap<String, Object>();
convertKeys(map, modifiedMap);
return modifiedMap;
}
private Map<String, Object> convertKeys(Map<String, Object> original, Map<String, Object> modified){
for(Map.Entry<String, Object> entry : original.entrySet()){
String key = entry.getKey();
key = converter.convert(key);
Object value = entry.getValue();
if(value instanceof Map){
modified.put(key, convertKeys((Map<String, Object>)value, new HashMap<String, Object>()));
} else if(value instanceof List){
modified.put(key, convertKeys((List<Object>) value));
} else {
modified.put(key, value);
}
}
return modified;
}
public List<Object> convertKeys(List<Object> list){
List<Object> modifiedList = new ArrayList<Object>();
if(list != null && list.size() > 0){
for(Object o : list){
if(o instanceof Map){
Map<String, Object> map = (Map<String, Object>) o;
modifiedList.add(convertKeys(map));
} else if(o instanceof List){
List<Object> l = (List<Object>) o;
modifiedList.add(convertKeys(l));
} else {
modifiedList.add(o);
}
}
}
return modifiedList;
}
}
|
