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/*******************************************************************************
* ============LICENSE_START=======================================================
* son-handler
* ================================================================================
* Copyright (C) 2021 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 java.util.ArrayList;
import java.util.List;
import org.json.JSONArray;
import org.json.JSONObject;
import org.onap.dcaegen2.services.sonhms.Configuration;
import org.onap.dcaegen2.services.sonhms.exceptions.CpsNotFoundException;
import org.onap.dcaegen2.services.sonhms.model.CellPciPair;
import org.onap.dcaegen2.services.sonhms.utils.SonHandlerRestTemplate;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.core.ParameterizedTypeReference;
import org.springframework.http.ResponseEntity;
/**
* A subclass which contains the methods
* to get required information from the CPS Client
*
*/
public class CpsClient extends ConfigInterface {
private static Logger log = LoggerFactory.getLogger(CpsClient.class);
public CpsClient() {
}
/**
* Method to get neighbour list from CPS.
*
* @throws CpsNotFoundException when request to CPS fails
*/
@Override
public List<CellPciPair> getNbrList(String cellId) throws CpsNotFoundException {
Configuration configuration = Configuration.getInstance();
String requestUrl = configuration.getCpsServiceUrl() + "/" + configuration.getGetNbrListUrl();
JSONObject inputparam = new JSONObject();
JSONObject reqbody = new JSONObject();
inputparam.put("cellId", cellId);
reqbody.put("inputParameters", inputparam);
log.debug("request url: {}", requestUrl);
String response = sendRequest(requestUrl, reqbody);
List<CellPciPair> nbrList = new ArrayList<>();
JSONArray nbrListObj = new JSONArray(response);
for (int i = 0; i < nbrListObj.length(); i++) {
JSONObject cellObj = nbrListObj.getJSONObject(i);
JSONObject obj = cellObj.getJSONObject("attributes");
if (obj.getBoolean("isHOAllowed")) {
CellPciPair cell = new CellPciPair(obj.getString("nRTCI"), obj.getInt("nRPCI"));
nbrList.add(cell);
}
}
return nbrList;
}
/**
* Method to get PCI from CPS.
*
* @throws CpsNotFoundException when request to CPS fails
*/
@Override
public int getPci(String cellId) throws CpsNotFoundException {
Configuration configuration = Configuration.getInstance();
String requestUrl = configuration.getCpsServiceUrl() + "/" + configuration.getGetPciUrl();
JSONObject inputparam = new JSONObject();
JSONObject reqbody = new JSONObject();
inputparam.put("cellId", cellId);
reqbody.put("inputParameters", inputparam);
String response = sendRequest(requestUrl, reqbody);
JSONObject respObj = new JSONObject(response);
return respObj.getInt("value");
}
/**
* Method to get PNF name from CPS.
*
* @throws CpsNotFoundException when request to CPS fails
*/
@Override
public String getPnfName(String cellId) throws CpsNotFoundException {
Configuration configuration = Configuration.getInstance();
String requestUrl = configuration.getCpsServiceUrl() + "/" + configuration.getGetPnfUrl();
JSONObject inputparam = new JSONObject();
JSONObject reqbody = new JSONObject();
inputparam.put("cellId", cellId);
reqbody.put("inputParameters", inputparam);
String response = sendRequest(requestUrl, reqbody);
JSONObject responseObject = new JSONObject(response);
return responseObject.getString("value");
}
/**
* Method to get CellData name from CPS.
*
* @throws CpsNotFoundException when request to CPS fails
*/
@Override
public JSONObject getCellData(String cellId) throws CpsNotFoundException {
Configuration configuration = Configuration.getInstance();
String requestUrl = configuration.getCpsServiceUrl() + "/" + configuration.getGetCellDataUrl();
JSONObject inputparam = new JSONObject();
JSONObject reqbody = new JSONObject();
inputparam.put("cellId", cellId);
reqbody.put("inputParameters", inputparam);
String response = sendRequest(requestUrl, reqbody);
JSONObject responseObject = new JSONObject(response);
return responseObject;
}
private String sendRequest(String url, JSONObject reqbody) throws CpsNotFoundException {
ResponseEntity<String> response = SonHandlerRestTemplate.sendPostRequest(url, reqbody.toString(),
new ParameterizedTypeReference<String>() {
});
if (response == null) {
throw new CpsNotFoundException("Cannot reach CPS");
}
return response.getBody();
}
}
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