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
|
/*
* ============LICENSE_START=======================================================
* PROJECT
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* Copyright (C) 2018 Nokia. All rights reserved.s
* ================================================================================
* 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.restapi;
import static org.springframework.http.ResponseEntity.accepted;
import static org.springframework.http.ResponseEntity.badRequest;
import com.att.nsa.clock.SaClock;
import com.att.nsa.logging.LoggingContext;
import com.att.nsa.logging.log4j.EcompFields;
import java.util.Optional;
import java.util.UUID;
import javax.servlet.http.HttpServletRequest;
import org.json.JSONArray;
import org.json.JSONObject;
import org.onap.dcae.ApplicationSettings;
import org.onap.dcae.common.EventSender;
import org.onap.dcae.common.VESLogger;
import org.onap.dcae.common.EventUpdater;
import org.onap.dcae.common.HeaderUtils;
import org.onap.dcaegen2.services.sdk.standardization.header.CustomHeaderUtils;
import org.slf4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RestController;
@RestController
public class VesRestController {
private static final String VES_EVENT_MESSAGE = "Received a VESEvent '%s', marked with unique identifier '%s', on api version '%s', from host: '%s'";
private static final String EVENT_LIST = "eventList";
private static final String EVENT = "event";
private final ApplicationSettings settings;
private final Logger requestLogger;
private EventSender eventSender;
private final HeaderUtils headerUtils;
@Autowired
VesRestController(ApplicationSettings settings,
@Qualifier("incomingRequestsLogger") Logger incomingRequestsLogger,
@Qualifier("eventSender") EventSender eventSender, HeaderUtils headerUtils) {
this.settings = settings;
this.requestLogger = incomingRequestsLogger;
this.eventSender = eventSender;
this.headerUtils = headerUtils;
}
@PostMapping(value = {"/eventListener/{version}"}, consumes = "application/json")
ResponseEntity<String> event(@RequestBody String event, @PathVariable String version, HttpServletRequest request) {
if (settings.isVersionSupported(version)) {
return process(event, version, request, EVENT);
}
return badRequest().contentType(MediaType.APPLICATION_JSON).body(String.format("API version %s is not supported", version));
}
@PostMapping(value = {"/eventListener/{version}/eventBatch"}, consumes = "application/json")
ResponseEntity<String> events(@RequestBody String events, @PathVariable String version, HttpServletRequest request) {
if (settings.isVersionSupported(version)) {
return process(events, version, request, EVENT_LIST);
}
return badRequest().contentType(MediaType.APPLICATION_JSON).body(String.format("API version %s is not supported", version));
}
private ResponseEntity<String> process(String events, String version, HttpServletRequest request, String type) {
CustomHeaderUtils headerUtils = createHeaderUtils(version, request);
if(headerUtils.isOkCustomHeaders()){
JSONObject jsonObject = new JSONObject(events);
EventValidator eventValidator = new EventValidator(settings);
Optional<ResponseEntity<String>> validationResult = eventValidator.validate(jsonObject, type, version);
if (validationResult.isPresent()){
return validationResult.get();
}
JSONArray arrayOfEvents = new EventUpdater(settings).convert(jsonObject,version, generateUUID(version, request.getRequestURI(), jsonObject), type);
eventSender.send(arrayOfEvents);
// TODO call service and return status, replace CambriaClient, split event to single object and list of them
return accepted().headers(this.headerUtils.fillHeaders(headerUtils.getRspCustomHeader()))
.contentType(MediaType.APPLICATION_JSON).body("Accepted");
}
return badRequest().body(String.format(ApiException.INVALID_CUSTOM_HEADER.toString()));
}
private CustomHeaderUtils createHeaderUtils(String version, HttpServletRequest request){
return new CustomHeaderUtils(version.toLowerCase().replace("v", ""),
headerUtils.extractHeaders(request),
headerUtils.getApiVerFilePath("api_version_config.json"),
headerUtils.getRestApiIdentify(request.getRequestURI()));
}
private UUID generateUUID(String version, String uri, JSONObject jsonObject) {
UUID uuid = UUID.randomUUID();
setUpECOMPLoggingForRequest(uuid);
requestLogger.info(String.format(VES_EVENT_MESSAGE, jsonObject, uuid, version, uri));
return uuid;
}
private static void setUpECOMPLoggingForRequest(UUID uuid) {
LoggingContext localLC = VESLogger.getLoggingContextForThread(uuid);
localLC.put(EcompFields.kBeginTimestampMs, SaClock.now());
}
}
|
