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
|
/**
*
* Copyright (c) 2017 Orange. 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.
*/
package org.onap.nbi.commons;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Map.Entry;
import java.util.Set;
import org.springframework.util.LinkedMultiValueMap;
import org.springframework.util.MultiValueMap;
/**
*
*/
public class QueryParserUtils {
private QueryParserUtils() {}
/**
*
* @param queryParameters
* @return
*/
public static Set<String> getFields(MultiValueMap<String, String> queryParameters) {
Set<String> fieldSet = new HashSet<>();
if (queryParameters != null) {
// search for "all" parameter
if (queryParameters.containsKey(ReservedKeys.ALL_FIELDS)) {
queryParameters.remove(ReservedKeys.ALL_FIELDS);
fieldSet.add(ReservedKeys.ALL_FIELDS);
}
// search for "fields" parameters
List<String> queryParameterField =
queryParameters.remove(ReservedKeys.QUERY_KEY_FIELD_ESCAPE + ReservedKeys.QUERY_KEY_FIELD);
if (queryParameterField == null) {
queryParameterField = queryParameters.remove(ReservedKeys.QUERY_KEY_FIELD);
}
if (queryParameterField != null && !queryParameterField.isEmpty()) {
String queryParameterValue = queryParameterField.get(0);
if (queryParameterValue != null) {
String[] tokenArray = queryParameterValue.split(",");
fieldSet.addAll(Arrays.asList(tokenArray));
}
}
}
return fieldSet;
}
public static MultiValueMap<String, String> popCriteria(MultiValueMap<String, String> queryParameters) {
Set<Entry<String, List<String>>> entrySet = queryParameters.entrySet();
MultiValueMap<String, String> criterias = new LinkedMultiValueMap<String, String>();
entrySet.stream().forEach(entry -> {
final List<String> tempValues = new ArrayList<String>();
entry.getValue().stream().forEach(value -> tempValues.addAll(Arrays.asList(value.split(","))));
criterias.put(entry.getKey(), tempValues);
});
return criterias;
}
}
|
