1 files changed, 122 insertions, 0 deletions
diff --git a/controlloop/common/msb/src/main/java/org/onap/policy/msb/client/MsbServiceFactory.java b/controlloop/common/msb/src/main/java/org/onap/policy/msb/client/MsbServiceFactory.java
new file mode 100644
index 000000000..91e36c01d
--- /dev/null
+++ b/controlloop/common/msb/src/main/java/org/onap/policy/msb/client/MsbServiceFactory.java
@@ -0,0 +1,122 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright 2017-2018 ZTE, Inc. and others.
+ *
+ * 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.policy.msb.client;
+
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.Serializable;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.Properties;
+
+import org.onap.msb.sdk.discovery.common.RouteException;
+import org.onap.msb.sdk.discovery.entity.MicroServiceFullInfo;
+import org.onap.msb.sdk.discovery.entity.NodeInfo;
+import org.onap.msb.sdk.httpclient.msb.MSBServiceClient;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class MsbServiceFactory implements Serializable {
+    private static final long serialVersionUID = 4638414146278012425L;
+    private static final Logger logger = LoggerFactory.getLogger(MsbServiceFactory.class);
+    private static final String MSB_PROPERTY_FILE = "msb.policy.properties";
+    private static final String MSB_IP = "msb.ip";
+    private static final String MSB_PORT = "msb.port";
+    private transient MSBServiceClient msbClient;
+    private Properties properties;
+
+    /**
+     * Construct an instance.
+     * 
+     * @throws MsbServiceException if an error occurs
+     * @throws IOException if an IO error occurs
+     */
+    public MsbServiceFactory() throws MsbServiceException, IOException {
+        this.init();
+        this.msbClient = new MSBServiceClient(properties.getProperty(MSB_IP),
+                Integer.parseInt(properties.getProperty(MSB_PORT)));
+    }
+
+    public MsbServiceFactory(MSBServiceClient msbClient) {
+        this.msbClient = msbClient;
+    }
+
+    private void init() throws MsbServiceException, IOException {
+        properties = new Properties();
+        String propertyFilePath = System.getProperty(MSB_PROPERTY_FILE);
+        if (propertyFilePath == null) {
+            throw new MsbServiceException("No msb.policy.properties specified.");
+        }
+        Path file = Paths.get(propertyFilePath);
+        if (!file.toFile().exists()) {
+            throw new MsbServiceException("No msb.policy.properties specified.");
+        }
+
+        if (!Files.isReadable(file)) {
+            throw new MsbServiceException("Repository is NOT readable: " + file.toAbsolutePath());
+        }
+        try (InputStream is = new FileInputStream(file.toFile())) {
+            properties.load(is);
+        }
+    }
+
+
+    public Node getNode(String serviceName, String version) {
+        return this.build(serviceName, version);
+    }
+
+    /**
+     * Get the node for the given actor.
+     * 
+     * @param actor the actor
+     * @return the node
+     */
+    public Node getNode(String actor) {
+        Node node = null;
+        switch (actor) {
+            case "AAI":
+                node = this.build("aai-search", "v11");
+                return node;
+            case "SO":
+                node = this.build("so", "v2");
+                return node;
+            case "VFC":
+                node = this.build("nfvo-nslcm", "v1");
+                return node;
+            default:
+                logger.info("MSBServiceManager: policy has an unknown actor.");
+        }
+        return node;
+    }
+
+    private Node build(String serviceName, String version) {
+        Node node = new Node();
+        node.setName(serviceName);
+        try {
+            MicroServiceFullInfo serviceInfo = msbClient.queryMicroServiceInfo(serviceName, version);
+            for (NodeInfo nodeInfo : serviceInfo.getNodes()) {
+                node.setIp(nodeInfo.getIp());
+                node.setPort(nodeInfo.getPort());
+            }
+        } catch (RouteException e) {
+            logger.info("MSBServiceManager:", e);
+        }
+        return node;
+    }
+}