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
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
/*-
* ============LICENSE_START=======================================================
* ONAP : DCAE
* ================================================================================
* Copyright 2018-2019 TechMahindra
* ================================================================================
* 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.universalvesadapter.utils;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import java.nio.file.Files;
import java.util.HashMap;
import java.util.Map;
import org.json.simple.JSONArray;
import org.json.simple.JSONObject;
import org.json.simple.parser.JSONParser;
import org.json.simple.parser.ParseException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.util.ResourceUtils;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
@Component
public class CollectorConfigPropertyRetrieval {
private static final Logger debugLogger = LoggerFactory.getLogger("debugLogger");
private static final Logger errorLogger = LoggerFactory.getLogger("errorLogger");
private static JSONArray array;
@Autowired
private DmaapConfig dmaapConfig;
public static JSONArray collectorConfigArray(String configFile) {
try {
JSONParser parser = new JSONParser();
String content = readFile(configFile);
JSONObject obj = (JSONObject) parser.parse(content);
JSONObject appobj = (JSONObject) obj.get("app_preferences");
array = (JSONArray) appobj.get("collectors");
debugLogger.info("Retrieved JsonArray from Collector Config File");
} catch (ParseException e) {
errorLogger.error("ParseException occured at position:", e);
}
return array;
}
public static String[] getProperyArray(String propertyName, String defaultConfigFilelocation) {
JSONArray jsonArray = collectorConfigArray(defaultConfigFilelocation);
String[] propertyArray = new String[jsonArray.size()];
for (int k = 0; k < jsonArray.size(); k++) {
JSONObject collJson = (JSONObject) jsonArray.get(k);
propertyArray[k] = (String) collJson.get(propertyName);
}
debugLogger.info("returning {} array from Collector Config", propertyName);
return propertyArray;
}
public Map<String, String> getDmaapTopics(String subscriber, String publisher,
String defaultConfigFilelocation) {
JSONArray jsonArray = collectorConfigArray(defaultConfigFilelocation);
Map<String, String> dmaapTopics = new HashMap<>();
for (int k = 0; k < jsonArray.size(); k++) {
JSONObject collJson = (JSONObject) jsonArray.get(k);
dmaapTopics.put(collJson.get(subscriber).toString(),
collJson.get(publisher).toString());
}
debugLogger.info("returning Dmaap topics from Collector Config");
return dmaapTopics;
}
public Map<String, String> getTopics(String subscriber, String publisher,
String defaultConfigFilelocation) {
Map<String, String> dmaapTopics = new HashMap<>();
try {
ObjectMapper objectMapper = new ObjectMapper();
String content = readFile(defaultConfigFilelocation);
// read JSON like DOM Parser
JsonNode rootNode = objectMapper.readTree(content);
JsonNode subscriberUrl = rootNode.path("streams_subscribes").path(subscriber)
.path("dmaap_info").path("topic_url");
JsonNode publisherUrl = rootNode.path("streams_publishes").path(publisher)
.path("dmaap_info").path("topic_url");
dmaapTopics.put(getTopicName(subscriberUrl.asText()),
getTopicName(publisherUrl.asText()));
setDmaapConfig(subscriberUrl.asText());
} catch (IOException ex) {
errorLogger.error("IOException occured:", ex);
} catch (URISyntaxException e) {
errorLogger.error("Invalid URI :", e);
}
return dmaapTopics;
}
public String getTopicName(String url) throws URISyntaxException {
URI uri = new URI(url);
String path = uri.getPath();
String idStr = path.substring(path.lastIndexOf('/') + 1);
return idStr;
}
public void setDmaapConfig(String url) throws URISyntaxException {
URI uri = new URI(url);
dmaapConfig.setDmaaphost(uri.getHost());
dmaapConfig.setDEFAULT_PORT_NUMBER(uri.getPort());
}
public static String readFile(String configFileName) {
String content = null;
File file = null;
try {
file = ResourceUtils.getFile("classpath:" + configFileName);
content = new String(Files.readAllBytes(file.toPath()));
} catch (FileNotFoundException e) {
errorLogger.error("colud not find file :{}", configFileName);
} catch (IOException e) {
errorLogger.error("unable to read the file , reason:", e);
}
return content;
}
}
|