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/*******************************************************************************
* ============LICENSE_START=======================================================
* pcims
* ================================================================================
* Copyright (C) 2018 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 com.wipro.www.sonhms.restclient;
import com.wipro.www.sonhms.Configuration;
import com.wipro.www.sonhms.exceptions.ConfigDbNotFoundException;
import com.wipro.www.sonhms.model.CellPciPair;
import com.wipro.www.sonhms.utils.HttpRequester;
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;
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 {
String response = HttpRequester.sendGetRequest(url);
if (response.equals("")) {
throw new ConfigDbNotFoundException("Cannot reach Config DB");
}
return response;
}
}
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