2 * Copyright 2017-2020 ZTE Corporation.
\r
4 * Licensed under the Apache License, Version 2.0 (the "License");
\r
5 * you may not use this file except in compliance with the License.
\r
6 * You may obtain a copy of the License at
\r
8 * http://www.apache.org/licenses/LICENSE-2.0
\r
10 * Unless required by applicable law or agreed to in writing, software
\r
11 * distributed under the License is distributed on an "AS IS" BASIS,
\r
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
\r
13 * See the License for the specific language governing permissions and
\r
14 * limitations under the License.
\r
16 package org.onap.holmes.common.dcae.utils;
\r
18 import com.google.gson.JsonElement;
\r
19 import com.google.gson.JsonObject;
\r
20 import com.google.gson.JsonParser;
\r
21 import org.apache.commons.lang3.StringUtils;
\r
22 import org.onap.holmes.common.dcae.entity.DcaeConfigurations;
\r
23 import org.onap.holmes.common.dcae.entity.Rule;
\r
24 import org.onap.holmes.common.dcae.entity.SecurityInfo;
\r
25 import org.onap.holmes.common.exception.CorrelationException;
\r
27 import java.util.Arrays;
\r
28 import java.util.List;
\r
29 import java.util.Map.Entry;
\r
30 import java.util.Set;
\r
31 import java.util.stream.Stream;
\r
33 import static org.onap.holmes.common.utils.GsonUtil.getAsString;
\r
35 public class DcaeConfigurationParser {
\r
37 private static final String RULE_CONTENT_SPLIT = "\\$\\$\\$";
\r
39 private static final List<String> OBJECT_ATTRS = Arrays
\r
40 .asList(new String[]{"streams_subscribes", "streams_publishes", "services_calls", "services_provides"});
\r
42 public static DcaeConfigurations parse(String jsonStr) throws CorrelationException {
\r
43 if (StringUtils.isEmpty(jsonStr)) {
\r
44 throw new CorrelationException(
\r
45 "Can not resolve configurations from DCAE. The configuration string is empty.");
\r
48 DcaeConfigurations ret = new DcaeConfigurations();
\r
50 JsonObject jsonObject = null;
\r
52 jsonObject = JsonParser.parseString(jsonStr).getAsJsonObject();
\r
53 } catch (Exception e) {
\r
54 throw new CorrelationException(e.getMessage(), e);
\r
57 fillInRules(ret, jsonObject);
\r
58 fillInPublishesInfo(ret, jsonObject);
\r
59 fillInSubscribesInfo(ret, jsonObject);
\r
61 JsonObject finalJsonObject = jsonObject;
\r
62 Stream.of(jsonObject.keySet().toArray(new String[0]))
\r
63 .filter(key -> !OBJECT_ATTRS.contains(key))
\r
64 .forEach(key -> ret.put(key, finalJsonObject.get(String.valueOf(key)).getAsString()));
\r
68 private static void fillInPublishesInfo(DcaeConfigurations ret, JsonObject jsonObject) {
\r
69 if (jsonObject.has("streams_publishes")) {
\r
70 JsonObject publishes = jsonObject.get("streams_publishes").getAsJsonObject();
\r
71 for (Object key : publishes.keySet()) {
\r
72 ret.addPubSecInfo((String) key,
\r
73 createSecurityInfo((String) key, publishes.get((String) key).getAsJsonObject()));
\r
78 private static void fillInSubscribesInfo(DcaeConfigurations ret, JsonObject jsonObject) {
\r
79 if (jsonObject.has("streams_subscribes")) {
\r
80 JsonObject subscribes = jsonObject.get("streams_subscribes").getAsJsonObject();
\r
81 for (Object key : subscribes.keySet()) {
\r
82 ret.addSubSecInfo((String) key,
\r
83 createSecurityInfo((String) key, subscribes.get((String) key).getAsJsonObject()));
\r
88 private static SecurityInfo createSecurityInfo(String key, JsonObject entity) {
\r
89 SecurityInfo securityInfo = new SecurityInfo();
\r
90 securityInfo.setType(getAsString(entity, "type"));
\r
91 securityInfo.setAafPassword(getAsString(entity, "aaf_password"));
\r
92 securityInfo.setAafUsername(getAsString(entity, "aaf_username"));
\r
93 securityInfo.setSecureTopic(!key.endsWith("unsecure"));
\r
94 fillInDmaapInfo(securityInfo, entity.get("dmaap_info").getAsJsonObject());
\r
95 return securityInfo;
\r
98 private static void fillInDmaapInfo(SecurityInfo securityInfo, JsonObject jsonDmaapInfo) {
\r
99 SecurityInfo.DmaapInfo dmaapInfo = securityInfo.getDmaapInfo();
\r
100 dmaapInfo.setLocation(getAsString(jsonDmaapInfo, "location"));
\r
101 dmaapInfo.setTopicUrl(getAsString(jsonDmaapInfo, "topic_url"));
\r
102 dmaapInfo.setClientId(getAsString(jsonDmaapInfo, "client_id"));
\r
103 dmaapInfo.setClientRole(getAsString(jsonDmaapInfo, "client_role"));
\r
104 dmaapInfo.setType(getAsString(jsonDmaapInfo, "type"));
\r
107 private static void fillInRules(DcaeConfigurations ret, JsonObject jsonObject) {
\r
108 Set<Entry<String, JsonElement>> entries = jsonObject.entrySet();
\r
109 for (Entry<String, JsonElement> entry : entries) {
\r
110 if (entry.getKey().startsWith("holmes.default.rule")) {
\r
111 String value = entry.getValue().getAsString();
\r
112 String[] contents = value.split(RULE_CONTENT_SPLIT);
\r
113 ret.addDefaultRule(new Rule(entry.getKey(), contents[0], contents[1], 1));
\r