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
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
|
/*
* ============LICENSE_START=======================================================
* Copyright (C) 2023 Nordix Foundation
* ================================================================================
* 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*
*
*/
package org.openecomp.sdc.be.externalapi.servlet.representation;
import java.util.Comparator;
import java.util.List;
import java.util.Optional;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.stream.Collectors;
import lombok.AllArgsConstructor;
import lombok.Getter;
import org.openecomp.sdc.be.model.Service;
@Getter
@AllArgsConstructor
public enum VersionFilterEnum {
EQUALS("equals") {
@Override
public List<Service> filter(final List<Service> serviceList, final String version) {
final Matcher matcher = Pattern.compile("(" + this.getName() + ")" + DELIMITER + "(" + VERSION_REGEX + ")").matcher(version);
if (matcher.find()) {
return serviceList.parallelStream()
.filter(service -> convertToInteger(service.getVersion()).compareTo(convertToInteger(matcher.group(2))) == 0)
.collect(Collectors.toList());
}
return serviceList;
}
},
GREATER_THAN("greaterThan") {
@Override
public List<Service> filter(final List<Service> serviceList, final String version) {
final Matcher matcher = Pattern.compile("(" + this.getName() + ")" + DELIMITER + "(" + VERSION_REGEX + ")").matcher(version);
if (matcher.find()) {
return serviceList.parallelStream()
.filter(service -> convertToInteger(service.getVersion()).compareTo(convertToInteger(matcher.group(2))) > 0)
.collect(Collectors.toList());
}
return serviceList;
}
},
LESS_THAN("lessThan") {
@Override
public List<Service> filter(final List<Service> serviceList, final String version) {
final Matcher matcher = Pattern.compile("(" + this.getName() + ")" + DELIMITER + "(" + VERSION_REGEX + ")").matcher(version);
if (matcher.find()) {
return serviceList.parallelStream()
.filter(service -> convertToInteger(service.getVersion()).compareTo(convertToInteger(matcher.group(2))) < 0)
.collect(Collectors.toList());
}
return serviceList;
}
},
HIGHEST_MATCHING_VERSION_ONLY("highestMatchingVersionOnly") {
@Override
public List<Service> filter(final List<Service> serviceList, final String version) {
final Matcher matcher = Pattern.compile("(" + this.getName() + ")" + DELIMITER + "([Tt][Rr][Uu][Ee])").matcher(version);
if (matcher.find()) {
return serviceList.parallelStream()
.collect(Collectors.groupingBy(Service::getName,
Collectors.maxBy(Comparator.comparingInt(service -> convertToInteger(service.getVersion())))))
.values().parallelStream().map(Optional::get).collect(Collectors.toList());
}
return serviceList;
}
};
private final String name;
private static final String VERSION_REGEX = "[0-9]+\\.?[0-9]?";
private static final String DELIMITER = "[ :=]+";
public abstract List<Service> filter(final List<Service> serviceList, final String version);
public static Optional<VersionFilterEnum> getFilter(final String version) {
final Matcher matcher = Pattern.compile("([a-zA-Z]+)" + DELIMITER).matcher(version);
if (matcher.find()) {
for (final VersionFilterEnum value : VersionFilterEnum.values()) {
if (value.getName().equals(matcher.group(1))) {
return Optional.of(value);
}
}
}
return Optional.empty();
}
private static Integer convertToInteger(final String value) {
return (int) (Float.parseFloat(value) * 10);
}
}
|
