1 files changed, 141 insertions, 0 deletions
diff --git a/src/main/java/org/onap/dcaegen2/services/sonhms/restclient/SdnrRestClient.java b/src/main/java/org/onap/dcaegen2/services/sonhms/restclient/SdnrRestClient.java
new file mode 100644
index 0000000..0894146
--- /dev/null
+++ b/src/main/java/org/onap/dcaegen2/services/sonhms/restclient/SdnrRestClient.java
@@ -0,0 +1,141 @@
+/*******************************************************************************
+ *  ============LICENSE_START=======================================================
+ *  son-handler
+ *  ================================================================================
+ *   Copyright (C) 2019 Wipro Limited.
+ *   ==============================================================================
+ *     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.dcaegen2.services.sonhms.restclient;
+
+import org.onap.dcaegen2.services.sonhms.Configuration;
+import org.onap.dcaegen2.services.sonhms.exceptions.ConfigDbNotFoundException;
+import org.onap.dcaegen2.services.sonhms.model.CellPciPair;
+import org.onap.dcaegen2.services.sonhms.utils.SonHandlerRestTemplate;
+
+import java.sql.Time;
+import java.text.SimpleDateFormat;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.json.JSONArray;
+import org.json.JSONObject;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.core.ParameterizedTypeReference;
+import org.springframework.http.ResponseEntity;
+
+
+
+public class SdnrRestClient {
+
+    private static final String DATETIMEFORMAT = "yyyy-MM-dd HH:mm:ss";
+    private static Logger log = LoggerFactory.getLogger(SdnrRestClient.class);
+
+    private SdnrRestClient() {
+
+    }
+
+    /**
+     * Method to get cell list from SDNR.
+     *
+     * @throws ConfigDbNotFoundException
+     *             when request to configDB fails
+     */
+    public static String getCellList(String networkId) throws ConfigDbNotFoundException {
+        Configuration configuration = Configuration.getInstance();
+        String ts = new SimpleDateFormat(DATETIMEFORMAT).format(new Time(System.currentTimeMillis()));
+        String requestUrl = configuration.getSdnrService() + "/SDNCConfigDBAPI/getCellList" + "/" + networkId + "/" 
+                + encode(ts);
+        return sendRequest(requestUrl);
+    }
+
+    /**
+     * Method to get neibhbour list from SDNR.
+     *
+     * @throws ConfigDbNotFoundException
+     *             when request to configDB fails
+     */
+    public static List<CellPciPair> getNbrList(String cellId) throws ConfigDbNotFoundException {
+        Configuration configuration = Configuration.getInstance();
+        String ts = new SimpleDateFormat(DATETIMEFORMAT).format(new Time(System.currentTimeMillis()));
+        String requestUrl = configuration.getSdnrService() + "/SDNCConfigDBAPI/getNbrList" + "/" + cellId + "/"
+                + encode(ts);
+        log.debug("request url: {}", requestUrl);
+        String response = sendRequest(requestUrl);
+        List<CellPciPair> nbrList = new ArrayList<>();
+        JSONArray nbrListObj = new JSONArray(response);
+        for (int i = 0; i < nbrListObj.length(); i++) {
+            JSONObject cellObj = nbrListObj.getJSONObject(i);
+            CellPciPair cell = new CellPciPair(cellObj.getString("cellId"), cellObj.getInt("pciValue"));
+            nbrList.add(cell);
+        }
+
+        return nbrList;
+    }
+
+    /**
+     * Method to get PCI from SDNR.
+     *
+     * @throws ConfigDbNotFoundException
+     *             when request to configDB fails
+     */
+    public static int getPci(String cellId) throws ConfigDbNotFoundException {
+        Configuration configuration = Configuration.getInstance();
+        String ts = new SimpleDateFormat(DATETIMEFORMAT).format(new Time(System.currentTimeMillis()));
+        String requestUrl = configuration.getSdnrService() + "/SDNCConfigDBAPI/getPCI" + "/" + cellId + "/"
+                + encode(ts);
+        String response = sendRequest(requestUrl);
+        JSONObject respObj = new JSONObject(response);
+        return respObj.getInt("value");
+    }
+
+    /**
+     * Method to get PNF name from SDNR.
+     *
+     * @throws ConfigDbNotFoundException
+     *             when request to configDB fails
+     */
+    public static String getPnfName(String cellId) throws ConfigDbNotFoundException {
+        Configuration configuration = Configuration.getInstance();
+        String ts = new SimpleDateFormat(DATETIMEFORMAT).format(new Time(System.currentTimeMillis()));
+        String requestUrl = configuration.getSdnrService() + "/SDNCConfigDBAPI/getPnfName" + "/" + cellId + "/"
+                + encode(ts); 
+        String response = sendRequest(requestUrl);
+        JSONObject responseObject = new JSONObject(response);
+        return responseObject.getString("value");
+    }
+
+    /**
+     * Method to encode url.
+     */
+    private static String encode(String url) {
+        return url.replace(" ", "%20");
+    }
+
+    /**
+     * Method to send request.
+     */
+    private static String sendRequest(String url) throws ConfigDbNotFoundException {
+        ResponseEntity<String> response = SonHandlerRestTemplate.sendGetRequest(url,
+                new ParameterizedTypeReference<String>() {});
+        if (response.equals(null)) {
+            throw new ConfigDbNotFoundException("Cannot reach Config DB");
+        }
+        return response.getBody(); 
+    }
+
+}