package org.oransc.policyagent.configuration;
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.util.Map.Entry;
+import java.util.Properties;
+import java.util.Set;
+import java.util.Vector;
+
+import javax.validation.constraints.NotNull;
+import lombok.Getter;
+import org.onap.dmaap.mr.test.clients.ProtocolTypeConstants;
import org.oransc.policyagent.exceptions.ServiceException;
+import org.springframework.http.MediaType;
public class ApplicationConfigParser {
private static final String CONFIG = "config";
- public ApplicationConfigParser() {
- }
+ private static Gson gson = new GsonBuilder() //
+ .serializeNulls() //
+ .create(); //
- String example;
+ @Getter
+ private Vector<RicConfig> ricConfigs;
+ @Getter
+ private Properties dmaapPublisherConfig;
+ @Getter
+ private Properties dmaapConsumerConfig;
public void parse(JsonObject root) throws ServiceException {
- JsonObject config = root.getAsJsonObject(CONFIG);
- example = getAsString(config, "exampleProperty");
+ JsonObject agentConfigJson = root.getAsJsonObject(CONFIG);
+ ricConfigs = parseRics(agentConfigJson);
+ JsonObject dmaapPublisherConfigJson = agentConfigJson.getAsJsonObject("streams_publishes");
+ if (dmaapPublisherConfigJson == null) {
+ dmaapPublisherConfig = new Properties();
+ } else {
+ dmaapPublisherConfig = parseDmaapConfig(dmaapPublisherConfigJson);
+ }
+ JsonObject dmaapConsumerConfigJson = agentConfigJson.getAsJsonObject("streams_subscribes");
+ if (dmaapConsumerConfigJson == null) {
+ dmaapConsumerConfig = new Properties();
+ } else {
+ dmaapConsumerConfig = parseDmaapConfig(dmaapConsumerConfigJson);
+ }
+ }
+
+ private Vector<RicConfig> parseRics(JsonObject config) throws ServiceException {
+ Vector<RicConfig> result = new Vector<RicConfig>();
+ for (JsonElement ricElem : getAsJsonArray(config, "ric")) {
+ result.add(gson.fromJson(ricElem.getAsJsonObject(), ImmutableRicConfig.class));
+ }
+ return result;
}
private static JsonElement get(JsonObject obj, String memberName) throws ServiceException {
return elem;
}
- private static String getAsString(JsonObject obj, String memberName) throws ServiceException {
+ private JsonArray getAsJsonArray(JsonObject obj, String memberName) throws ServiceException {
+ return get(obj, memberName).getAsJsonArray();
+ }
+
+ private Properties parseDmaapConfig(JsonObject streamCfg) throws ServiceException {
+ Set<Entry<String, JsonElement>> streamConfigEntries = streamCfg.entrySet();
+ if (streamConfigEntries.size() != 1) {
+ throw new ServiceException(
+ "Invalid configuration. Number of streams must be one, config: " + streamConfigEntries);
+ }
+ JsonObject streamConfigEntry = streamConfigEntries.iterator().next().getValue().getAsJsonObject();
+ JsonObject dmaapInfo = get(streamConfigEntry, "dmaap_info").getAsJsonObject();
+ String topicUrl = getAsString(dmaapInfo, "topic_url");
+
+ Properties dmaapProps = new Properties();
+ try {
+ URL url = new URL(topicUrl);
+ String passwd = "";
+ String userName = "";
+ if (url.getUserInfo() != null) {
+ String[] userInfo = url.getUserInfo().split(":");
+ userName = userInfo[0];
+ passwd = userInfo[1];
+ }
+ String urlPath = url.getPath();
+ DmaapUrlPath path = parseDmaapUrlPath(urlPath);
+
+ dmaapProps.put("ServiceName", url.getHost() + ":" + url.getPort() + "/events");
+ dmaapProps.put("topic", path.dmaapTopicName);
+ dmaapProps.put("host", url.getHost() + ":" + url.getPort());
+ dmaapProps.put("contenttype", MediaType.APPLICATION_JSON.toString());
+ dmaapProps.put("userName", userName);
+ dmaapProps.put("password", passwd);
+ dmaapProps.put("group", path.consumerGroup);
+ dmaapProps.put("id", path.consumerId);
+ dmaapProps.put("TransportType", ProtocolTypeConstants.HTTPNOAUTH.toString());
+ dmaapProps.put("timeout", 15000);
+ dmaapProps.put("limit", 1000);
+ } catch (MalformedURLException e) {
+ throw new ServiceException("Could not parse the URL", e);
+ }
+
+ return dmaapProps;
+ }
+
+ private static @NotNull String getAsString(JsonObject obj, String memberName) throws ServiceException {
return get(obj, memberName).getAsString();
}
- private static JsonObject getAsJson(JsonObject obj, String memberName) throws ServiceException {
- return get(obj, memberName).getAsJsonObject();
+ private class DmaapUrlPath {
+ final String dmaapTopicName;
+ final String consumerGroup;
+ final String consumerId;
+
+ DmaapUrlPath(String dmaapTopicName, String consumerGroup, String consumerId) {
+ this.dmaapTopicName = dmaapTopicName;
+ this.consumerGroup = consumerGroup;
+ this.consumerId = consumerId;
+ }
}
+ private DmaapUrlPath parseDmaapUrlPath(String urlPath) throws ServiceException {
+ String[] tokens = urlPath.split("/"); // /events/A1-P/users/sdnc1
+ if (!(tokens.length == 3 ^ tokens.length == 5)) {
+ throw new ServiceException("The path has incorrect syntax: " + urlPath);
+ }
+
+ final String dmaapTopicName = tokens[2]; // /events/A1-P
+ String consumerGroup = ""; // users
+ String consumerId = ""; // sdnc1
+ if (tokens.length == 5) {
+ consumerGroup = tokens[3];
+ consumerId = tokens[4];
+ }
+ return new DmaapUrlPath(dmaapTopicName, consumerGroup, consumerId);
+ }
}