Loading of configuration

[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 c69c39d..ea66053 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
@@ -27,43 +27,88 @@ import com.google.gson.JsonObject;
 import java.net.MalformedURLException;
 import java.net.URL;
 import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.HashSet;
 import java.util.Iterator;
 import java.util.List;
+import java.util.Map;
 import java.util.Map.Entry;
 import java.util.Properties;
 import java.util.Set;
 
 import javax.validation.constraints.NotNull;
 
-import lombok.Getter;
-
+import org.immutables.gson.Gson;
+import org.immutables.value.Value;
 import org.onap.dmaap.mr.test.clients.ProtocolTypeConstants;
 import org.oransc.policyagent.exceptions.ServiceException;
 import org.springframework.http.MediaType;
 
+/**
+ * Parser for the Json representing of the component configuration.
+ */
 public class ApplicationConfigParser {
 
     private static final String CONFIG = "config";
+    private static final String CONTROLLER = "controller";
+
+    @Value.Immutable
+    @Gson.TypeAdapters
+    public interface ConfigParserResult {
+        List<RicConfig> ricConfigs();
+
+        Properties dmaapPublisherConfig();
+
+        Properties dmaapConsumerConfig();
+
+        Map<String, ControllerConfig> controllerConfigs();
+    }
 
-    @Getter
-    private List<RicConfig> ricConfigs;
-    @Getter
-    private Properties dmaapPublisherConfig = new Properties();
-    @Getter
-    private Properties dmaapConsumerConfig = new Properties();
+    public ConfigParserResult parse(JsonObject root) throws ServiceException {
+
+        Properties dmaapPublisherConfig = new Properties();
+        Properties dmaapConsumerConfig = new Properties();
 
-    public void parse(JsonObject root) throws ServiceException {
         JsonObject agentConfigJson = root.getAsJsonObject(CONFIG);
-        ricConfigs = parseRics(agentConfigJson);
+        List<RicConfig> ricConfigs = parseRics(agentConfigJson);
+        Map<String, ControllerConfig> controllerConfigs = parseControllerConfigs(agentConfigJson);
 
         JsonObject json = agentConfigJson.getAsJsonObject("streams_publishes");
         if (json != null) {
-            this.dmaapPublisherConfig = parseDmaapConfig(json);
+            dmaapPublisherConfig = parseDmaapConfig(json);
         }
 
         json = agentConfigJson.getAsJsonObject("streams_subscribes");
         if (json != null) {
-            this.dmaapConsumerConfig = parseDmaapConfig(json);
+            dmaapConsumerConfig = parseDmaapConfig(json);
+        }
+
+        checkConfigurationConsistency(ricConfigs, controllerConfigs);
+
+        return ImmutableConfigParserResult.builder() //
+            .dmaapConsumerConfig(dmaapConsumerConfig) //
+            .dmaapPublisherConfig(dmaapPublisherConfig) //
+            .ricConfigs(ricConfigs) //
+            .controllerConfigs(controllerConfigs) //
+            .build();
+    }
+
+    private void checkConfigurationConsistency(List<RicConfig> ricConfigs,
+        Map<String, ControllerConfig> controllerConfigs) throws ServiceException {
+        Set<String> ricUrls = new HashSet<>();
+        Set<String> ricNames = new HashSet<>();
+        for (RicConfig ric : ricConfigs) {
+            if (!ricUrls.add(ric.baseUrl())) {
+                throw new ServiceException("Configuration error, more than one RIC URL: " + ric.baseUrl());
+            }
+            if (!ricNames.add(ric.name())) {
+                throw new ServiceException("Configuration error, more than one RIC with name: " + ric.name());
+            }
+            if (!ric.controllerName().isEmpty() && controllerConfigs.get(ric.controllerName()) == null) {
+                throw new ServiceException(
+                    "Configuration error, controller configuration not found: " + ric.controllerName());
+            }
+
         }
 
     }
@@ -72,16 +117,40 @@ public class ApplicationConfigParser {
         List<RicConfig> result = new ArrayList<>();
         for (JsonElement ricElem : getAsJsonArray(config, "ric")) {
             JsonObject ricAsJson = ricElem.getAsJsonObject();
+            JsonElement controllerNameElement = ricAsJson.get(CONTROLLER);
             ImmutableRicConfig ricConfig = ImmutableRicConfig.builder() //
-                .name(ricAsJson.get("name").getAsString()) //
-                .baseUrl(ricAsJson.get("baseUrl").getAsString()) //
-                .managedElementIds(parseManagedElementIds(ricAsJson.get("managedElementIds").getAsJsonArray())) //
+                .name(get(ricAsJson, "name").getAsString()) //
+                .baseUrl(get(ricAsJson, "baseUrl").getAsString()) //
+                .managedElementIds(parseManagedElementIds(get(ricAsJson, "managedElementIds").getAsJsonArray())) //
+                .controllerName(controllerNameElement != null ? controllerNameElement.getAsString() : "") //
                 .build();
             result.add(ricConfig);
         }
         return result;
     }
 
+    Map<String, ControllerConfig> parseControllerConfigs(JsonObject config) throws ServiceException {
+        if (config.get(CONTROLLER) == null) {
+            return new HashMap<>();
+        }
+        Map<String, ControllerConfig> result = new HashMap<>();
+        for (JsonElement element : getAsJsonArray(config, CONTROLLER)) {
+            JsonObject controllerAsJson = element.getAsJsonObject();
+            ImmutableControllerConfig controllerConfig = ImmutableControllerConfig.builder() //
+                .name(get(controllerAsJson, "name").getAsString()) //
+                .baseUrl(get(controllerAsJson, "baseUrl").getAsString()) //
+                .password(get(controllerAsJson, "password").getAsString()) //
+                .userName(get(controllerAsJson, "userName").getAsString()) // )
+                .build();
+
+            if (result.put(controllerConfig.name(), controllerConfig) != null) {
+                throw new ServiceException(
+                    "Configuration error, more than one controller with name: " + controllerConfig.name());
+            }
+        }
+        return result;
+    }
+
     private List<String> parseManagedElementIds(JsonArray asJsonObject) {
         Iterator<JsonElement> iterator = asJsonObject.iterator();
         List<String> managedElementIds = new ArrayList<>();
@@ -95,7 +164,7 @@ public class ApplicationConfigParser {
     private static JsonElement get(JsonObject obj, String memberName) throws ServiceException {
         JsonElement elem = obj.get(memberName);
         if (elem == null) {
-            throw new ServiceException("Could not find member: " + memberName + " in: " + obj);
+            throw new ServiceException("Could not find member: '" + memberName + "' in: " + obj);
         }
         return elem;
     }
@@ -146,7 +215,6 @@ public class ApplicationConfigParser {
         } catch (MalformedURLException e) {
             throw new ServiceException("Could not parse the URL", e);
         }
-
     }
 
     private static @NotNull String getAsString(JsonObject obj, String memberName) throws ServiceException {