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/**
* Copyright 2018 ZTE Corporation.
*
* 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.
*/
package org.onap.aai.esr.wrapper;
import java.util.ArrayList;
import java.util.List;
import javax.ws.rs.core.Response;
import org.onap.aai.esr.entity.aai.EsrVnfmList;
import org.onap.aai.esr.entity.aai.Pnf;
import org.onap.aai.esr.entity.aai.PnfList;
import org.onap.aai.esr.entity.rest.PnfRegisterInfo;
import org.onap.aai.esr.entity.rest.VnfmRegisterInfo;
import org.onap.aai.esr.exception.ExceptionUtil;
import org.onap.aai.esr.exception.ExtsysException;
import org.onap.aai.esr.externalservice.aai.NetworkProxy;
import org.onap.aai.esr.util.PnfManagerUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.gson.Gson;
public class PnfManagerWrapper {
private static PnfManagerWrapper pnfManagerWrapper;
private static final Logger LOG = LoggerFactory.getLogger(PnfManagerWrapper.class);
private static PnfManagerUtil pnfManagerUtil = new PnfManagerUtil();
private static NetworkProxy networkProxy = new NetworkProxy();
/**
* get PnfManagerWrapper instance.
*
* @return pnf manager wrapper instance
*/
public static PnfManagerWrapper getInstance() {
if (pnfManagerWrapper == null) {
pnfManagerWrapper = new PnfManagerWrapper(networkProxy);
}
return pnfManagerWrapper;
}
public PnfManagerWrapper(NetworkProxy networkProxy){
PnfManagerWrapper.networkProxy = networkProxy;
}
/**
* @return
*/
public Response queryPnfList() {
List<PnfRegisterInfo> esrPnfList = new ArrayList<>();
PnfList pnfList = new PnfList();
try {
String pnflistStr = networkProxy.queryPnfList();
pnfList = new Gson().fromJson(pnflistStr, PnfList.class);
LOG.info("Response from AAI by query PNF list: " + pnflistStr);
esrPnfList = getEsrPnfList(pnfList);
return Response.ok(esrPnfList).build();
} catch (ExtsysException e) {
LOG.error("Query VNFM list failed !", e);
return Response.ok(esrPnfList).build();
}
}
/**
* @param pnfList
* @return
*/
private List<PnfRegisterInfo> getEsrPnfList(PnfList pnfList) {
List<PnfRegisterInfo> esrPnfList = new ArrayList<>();
for (int i = 0; i < pnfList.getPnf().size(); i++) {
Pnf pnf = pnfList.getPnf().get(i);
PnfRegisterInfo pnfRegisterInfo = pnfManagerUtil.pnf2PnfRegisterInfo(pnf);
esrPnfList.add(pnfRegisterInfo);
}
return esrPnfList;
}
/**
* @param pnfId
* @return
*/
public Response queryPnfById(String pnfId) {
PnfRegisterInfo pnfRegisterInfo = queryPnf(pnfId);
return Response.ok(pnfRegisterInfo).build();
}
private PnfRegisterInfo queryPnf(String pnfId) {
Pnf pnf = new Pnf();
PnfRegisterInfo pnfRegisterInfo = new PnfRegisterInfo();
try {
String pnfStr = networkProxy.queryPNF(pnfId);
LOG.info("Response from AAI by query PNF: " + pnfStr);
pnf = new Gson().fromJson(pnfStr, Pnf.class);
pnfRegisterInfo = pnfManagerUtil.pnf2PnfRegisterInfo(pnf);
} catch (ExtsysException e) {
LOG.error("Query PNF detail failed! PNF ID: " + pnfId, e);
}
return pnfRegisterInfo;
}
/**
* @param pnfId
* @return
*/
public Response delPnf(String pnfId) {
// TODO Auto-generated method stub
return null;
}
/**
* @param pnf
* @param pnfId
* @return
*/
public Response updatePnf(PnfRegisterInfo pnf, String pnfId) {
// TODO Auto-generated method stub
return null;
}
/**
* @param pnf
* @return
*/
public Response registerPnf(PnfRegisterInfo pnfRegisterInfo) {
Pnf pnf = pnfManagerUtil.pnfRegisterInfo2pnf(pnfRegisterInfo);
String pnfName = pnf.getPnfName();
try {
networkProxy.registerPnf(pnfName, pnf);
return Response.ok().build();
} catch (ExtsysException e) {
LOG.error("Register PNF failed !", e);
throw ExceptionUtil.buildExceptionResponse(e.getMessage());
}
}
}
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