blob: a54b6151906bbad98c1ba8d2828a1f0ef8d3c236 (
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
|
/*
* ================================================================================
* Copyright (c) 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.dcae.analytics.tca.core.util.function.calculation;
import java.util.Optional;
import org.onap.dcae.analytics.model.cef.CommonEventHeader;
import org.onap.dcae.analytics.model.cef.Domain;
import org.onap.dcae.analytics.model.cef.Event;
import org.onap.dcae.analytics.model.cef.EventListener;
import org.onap.dcae.analytics.tca.core.service.TcaExecutionContext;
import org.onap.dcae.analytics.tca.core.service.TcaProcessingContext;
/**
* @author Rajiv Singla
*/
public class TcaDomainFilter implements TcaCalculationFunction {
@Override
public TcaExecutionContext calculate(final TcaExecutionContext tcaExecutionContext) {
final TcaProcessingContext tcaProcessingContext = tcaExecutionContext.getTcaProcessingContext();
final String cefMessage = tcaExecutionContext.getCefMessage();
// Extract CEF domain as it is must be present as per CEF Schema
final Optional<Domain> domainOptional = Optional.ofNullable(tcaProcessingContext.getEventListener())
.map(EventListener::getEvent)
.map(Event::getCommonEventHeader)
.map(CommonEventHeader::getDomain);
// Check domain is present
if (!domainOptional.isPresent()) {
final String errorMessage =
"Event -> Common Event Header -> Domain not present. Invalid CEF Message: " + cefMessage;
setTerminatingMessage(errorMessage, tcaExecutionContext, true);
return tcaExecutionContext;
}
// Get Policy and CEF Message Domain
final String policyDomain = tcaExecutionContext.getTcaPolicy().getDomain();
final String cefMessageDomain = domainOptional.get().name();
// Check Policy domain matches CEF message domain
if (!policyDomain.equalsIgnoreCase(cefMessageDomain)) {
final String earlyTerminationMessage = String.format(
"Policy Domain does not match CEF Message Domain. Policy Domain: %s, CEF Message Domain: %s",
policyDomain, cefMessageDomain);
setTerminatingMessage(earlyTerminationMessage, tcaExecutionContext, false);
return tcaExecutionContext;
}
// Policy Domain and CEF Message Domain match successful
// do nothing
return tcaExecutionContext;
}
}
|