Merge "Adapt A1 controller to latest A1 spec"

[nonrtric.git] / policy-agent / src / main / java / org / oransc / policyagent / configuration / ApplicationConfigParser.java

diff --git a/policy-agent/src/main/java/org/oransc/policyagent/configuration/ApplicationConfigParser.java b/policy-agent/src/main/java/org/oransc/policyagent/configuration/ApplicationConfigParser.java
index 75ee135..34d1d97 100644 (file)
--- a/policy-agent/src/main/java/org/oransc/policyagent/configuration/ApplicationConfigParser.java
+++ b/policy-agent/src/main/java/org/oransc/policyagent/configuration/ApplicationConfigParser.java
@@ -25,32 +25,61 @@ 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 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";
+
     private static Gson gson = new GsonBuilder() //
         .serializeNulls() //
         .create(); //
 
     private Vector<RicConfig> ricConfig;
+    private Properties dmaapPublisherConfig;
+    private Properties dmaapConsumerConfig;
 
     public ApplicationConfigParser() {
     }
 
     public void parse(JsonObject root) throws ServiceException {
-        JsonObject config = root.getAsJsonObject(CONFIG);
-        ricConfig = parseRics(config);
+        JsonObject ricConfigJson = root.getAsJsonObject(CONFIG);
+        ricConfig = parseRics(ricConfigJson);
+        JsonObject dmaapPublisherConfigJson = root.getAsJsonObject("streams_publishes");
+        if (dmaapPublisherConfigJson == null) {
+            dmaapPublisherConfig = new Properties();
+        } else {
+            dmaapPublisherConfig = parseDmaapConfig(dmaapPublisherConfigJson);
+        }
+        JsonObject dmaapConsumerConfigJson = root.getAsJsonObject("streams_subscribes");
+        if (dmaapConsumerConfigJson == null) {
+            dmaapConsumerConfig = new Properties();
+        } else {
+            dmaapConsumerConfig = parseDmaapConfig(dmaapConsumerConfigJson);
+        }
     }
 
     public Vector<RicConfig> getRicConfigs() {
         return this.ricConfig;
     }
 
+    public Properties getDmaapPublisherConfig() {
+        return dmaapPublisherConfig;
+    }
+
+    public Properties getDmaapConsumerConfig() {
+        return dmaapConsumerConfig;
+    }
+
     private Vector<RicConfig> parseRics(JsonObject config) throws ServiceException {
         Vector<RicConfig> result = new Vector<RicConfig>();
         for (JsonElement ricElem : getAsJsonArray(config, "ric")) {
@@ -71,4 +100,75 @@ public class ApplicationConfigParser {
         return get(obj, memberName).getAsJsonArray();
     }
 
+    private Properties parseDmaapConfig(JsonObject consumerCfg) throws ServiceException {
+        Set<Entry<String, JsonElement>> topics = consumerCfg.entrySet();
+        if (topics.size() != 1) {
+            throw new ServiceException("Invalid configuration, number of topic must be one, config: " + topics);
+        }
+        JsonObject topic = topics.iterator().next().getValue().getAsJsonObject();
+        JsonObject dmaapInfo = get(topic, "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 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);
+    }
 }