aboutsummaryrefslogtreecommitdiffstats
path: root/vid-app-common/src/main/java/org/onap/vid/aai/model/PortDetailsTranslator.java
blob: f8980457a4dbdcd961c1237ed2987b8efcbc398b (plain)
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
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
package org.onap.vid.aai.model;


import com.google.common.collect.ImmutableList;
import org.onap.vid.aai.AaiResponse;
import org.onap.vid.properties.Features;
import org.togglz.core.manager.FeatureManager;

import javax.inject.Inject;
import java.util.LinkedList;
import java.util.List;
import java.util.Optional;
import java.util.function.Predicate;
import java.util.stream.Collectors;

public class PortDetailsTranslator {

    @Inject
    FeatureManager featureManager;

    public static class PortDetailsOk extends PortDetails {

        private final String interfaceId;
        private final String interfaceName;
        private final boolean isPortMirrored;

        public PortDetailsOk(String interfaceId, String interfaceName, boolean isPortMirrored) {
            this.interfaceId = interfaceId;
            this.interfaceName = interfaceName;
            this.isPortMirrored = isPortMirrored;
        }

        public String getInterfaceId() {
            return interfaceId;
        }

        public String getInterfaceName() {
            return interfaceName;
        }

        public boolean getIsPortMirrored() {
            return isPortMirrored;
        }
    }

    public abstract static class PortDetails {
    }

    public static class PortDetailsError extends PortDetails {
        private final String errorDescription;
        private final String rawAaiResponse;

        public PortDetailsError(String errorDescription, String rawAaiResponse){
           this.errorDescription = errorDescription;
           this.rawAaiResponse = rawAaiResponse;
        }

        public String getErrorDescription() {
            return errorDescription;
        }

        public String getRawAaiResponse() {
            return rawAaiResponse;
        }
    }

    public static PortDetails extractPortDetailsFromProperties(Properties properties, String rawPayload){
        List<String> errorDescriptions = new LinkedList<>();
        describeIfNullOrEmpty("interface-id", properties.getInterfaceId(), errorDescriptions);
        describeIfNullOrEmpty("interface-name", properties.getInterfaceName(), errorDescriptions);
        describeIfNullOrEmpty("is-port-mirrored", properties.getIsPortMirrored(), errorDescriptions);

        if(errorDescriptions.isEmpty()){
            return new PortDetailsOk(properties.getInterfaceId(), properties.getInterfaceName(), properties.getIsPortMirrored());
        } else {
            return new PortDetailsError(String.join(" ", errorDescriptions), rawPayload);
        }
    }

    private static void describeIfNullOrEmpty(String name, Object value, List<String> errorDescriptions) {
        if (value == null) {
            errorDescriptions.add("Value of '" + name + "' is missing.");
        } else if (value.toString().isEmpty()) {
            errorDescriptions.add("Value of '" + name + "' is empty.");
        }
    }

    private static Optional<List<PortDetails>> extractErrorResponseIfHttpError(AaiResponse aaiResponse, String rawPayload) {
        if (aaiResponse.getHttpCode() != org.springframework.http.HttpStatus.OK.value()) {
            final String errorMessage = aaiResponse.getErrorMessage();
            return Optional.of(ImmutableList.of(new PortDetailsError(
                    "Got " + aaiResponse.getHttpCode() + " from aai",
                    errorMessage != null ? errorMessage.toString() : rawPayload)
            ));
        } else {
            return Optional.empty();
        }
    }

    public List<PortDetails> extractPortDetailsInternal(AaiGetPortMirroringSourcePorts aaiGetPortsResponse, String rawPayload){
        List<SimpleResult> filteredResult = getFilteredPortList(aaiGetPortsResponse.getResults());

        return filteredResult.stream()
                .map(SimpleResult::getProperties)
                .map(p -> extractPortDetailsFromProperties(p, rawPayload))
                .collect(Collectors.toList());
    }

    public List<SimpleResult> getFilteredPortList(List<SimpleResult> results) {
        String LINTERFACE = "l-interface";

        final Predicate<SimpleResult> ifIsPort = (SimpleResult r) -> LINTERFACE.equals(r.getNodeType());
        Predicate<SimpleResult> ifIsSource = getIsSourcePredicate();

        return results.stream()
                .filter(ifIsPort)
                .filter(ifIsSource)
                .collect(Collectors.toList());
    }

    private Predicate<SimpleResult> getIsSourcePredicate() {
        boolean FLAG_ADVANCED_PORTS_FILTER = featureManager.isActive(Features.FLAG_ADVANCED_PORTS_FILTER);

        if (FLAG_ADVANCED_PORTS_FILTER) {
            String PORT_LABEL = "org.onap.relationships.inventory.Source";
            return (SimpleResult r) -> r.getRelatedTo().stream()
                    .anyMatch(relatedTo -> PORT_LABEL.equalsIgnoreCase(relatedTo.getRelationshipLabel()));
        } else {
            return (SimpleResult r) -> true;
        }
    }

    public List<PortDetails> extractPortDetails(AaiResponse<AaiGetPortMirroringSourcePorts> aaiGetPortsResponse, String rawPayload){
        return extractErrorResponseIfHttpError(aaiGetPortsResponse, rawPayload).orElseGet(() -> extractPortDetailsInternal(aaiGetPortsResponse.getT(), rawPayload));

    }

}