2 * Copyright 2017 ZTE Corporation.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 package org.onap.aai.esr.wrapper;
18 import java.util.ArrayList;
19 import java.util.List;
20 import javax.ws.rs.core.Response;
21 import org.onap.aai.esr.entity.rest.EmsRegisterInfo;
22 import org.onap.aai.esr.exception.ExceptionUtil;
23 import org.onap.aai.esr.exception.ExtsysException;
24 import org.onap.aai.esr.externalservice.aai.ExternalSystemProxy;
25 import org.onap.aai.esr.util.EmsManagerUtil;
26 import org.onap.aai.esr.entity.aai.EsrEmsDetail;
27 import org.onap.aai.esr.entity.aai.EsrEmsList;
28 import org.onap.aai.esr.entity.aai.EsrSystemInfo;
29 import org.onap.aai.esr.entity.rest.CommonRegisterResponse;
30 import org.slf4j.Logger;
31 import org.slf4j.LoggerFactory;
32 import com.google.gson.Gson;
34 public class EmsManagerWrapper {
35 private static EmsManagerWrapper emsManagerWrapper;
36 private static final Logger LOG = LoggerFactory.getLogger(EmsManagerWrapper.class);
37 private static EmsManagerUtil emsManagerUtil = new EmsManagerUtil();
40 * get VnfmManagerWrapper instance.
42 * @return ems manager wrapper instance
44 public static EmsManagerWrapper getInstance() {
45 if (emsManagerWrapper == null) {
46 emsManagerWrapper = new EmsManagerWrapper();
48 return emsManagerWrapper;
51 public Response registerEms(EmsRegisterInfo emsRegisterInfo) {
52 CommonRegisterResponse result = new CommonRegisterResponse();
53 EsrEmsDetail esrEmsDetail = emsManagerUtil.emsRegisterInfo2EsrEms(emsRegisterInfo);
54 String emsId = esrEmsDetail.getEmsId();
56 ExternalSystemProxy.registerEms(emsId, esrEmsDetail);
58 return Response.ok(result).build();
59 } catch (ExtsysException e) {
60 LOG.error("Register EMS failed !", e);
61 throw ExceptionUtil.buildExceptionResponse(e.getMessage());
65 public Response updateEms(EmsRegisterInfo emsRegisterInfo, String emsId) {
66 CommonRegisterResponse result = new CommonRegisterResponse();
67 EsrEmsDetail esrEmsDetail = getNewEsrEmsDetail(emsRegisterInfo, emsId);
69 ExternalSystemProxy.registerEms(emsId, esrEmsDetail);
71 return Response.ok(result).build();
72 } catch (ExtsysException e) {
73 LOG.error("Update VNFM failed !", e);
74 throw ExceptionUtil.buildExceptionResponse(e.getMessage());
78 public Response queryEmsList() {
79 List<EmsRegisterInfo> emsList = new ArrayList<>();
80 EsrEmsList esrEms = new EsrEmsList();
82 String esrEmsStr = ExternalSystemProxy.queryEmsList();
83 esrEms = new Gson().fromJson(esrEmsStr, EsrEmsList.class);
84 LOG.info("Response from AAI by query EMS list: " + esrEms);
85 emsList = getEmsDetailList(esrEms);
86 return Response.ok(emsList).build();
87 } catch (ExtsysException e) {
88 LOG.error("Query EMS list failed !", e);
89 return Response.ok(emsList).build();
93 public Response queryEmsById(String emsId) {
94 EmsRegisterInfo ems = queryEmsDetail(emsId);
96 return Response.ok(ems).build();
98 return Response.ok(ems).build();
102 public Response delEms(String emsId) {
103 EsrEmsDetail esrEmsDetail = queryEsrEmsDetail(emsId);
104 String resourceVersion = esrEmsDetail.getResourceVersion();
106 ExternalSystemProxy.deleteEms(emsId, resourceVersion);
107 return Response.noContent().build();
108 } catch (ExtsysException e) {
109 LOG.error("Delete EMS from A&AI failed! EMS ID: " + emsId + "resouce-version:" + resourceVersion, e);
110 throw ExceptionUtil.buildExceptionResponse(e.getMessage());
114 private EmsRegisterInfo queryEmsDetail(String emsId) {
115 EmsRegisterInfo emsRegisterInfo = new EmsRegisterInfo();
116 EsrEmsDetail esrEmsDetail = new EsrEmsDetail();
118 String esrEmsStr = ExternalSystemProxy.queryEmsDetail(emsId);
119 LOG.info("Response from AAI by query EMS: " + esrEmsStr);
120 esrEmsDetail = new Gson().fromJson(esrEmsStr, EsrEmsDetail.class);
121 emsRegisterInfo = emsManagerUtil.EsrEms2EmsRegisterInfo(esrEmsDetail);
122 } catch (ExtsysException e) {
123 LOG.error("Query EMS detail failed! EMS ID: " + emsId, e);
125 return emsRegisterInfo;
128 private List<EmsRegisterInfo> getEmsDetailList(EsrEmsList esrEms) {
129 List<EmsRegisterInfo> emsInfoList = new ArrayList<>();
130 for (int i = 0; i < esrEms.getEsrEms().size(); i++) {
131 String emsId = esrEms.getEsrEms().get(i).getEmsId();
132 EmsRegisterInfo emsInfo = queryEmsDetail(emsId);
133 if (emsInfo != null) {
134 emsInfoList.add(emsInfo);
140 private EsrEmsDetail queryEsrEmsDetail(String emsId) {
141 EsrEmsDetail esrEmsDetail = new EsrEmsDetail();
143 String esrEmsStr = ExternalSystemProxy.queryEmsDetail(emsId);
144 LOG.info("Response from AAI by query EMS: " + esrEmsStr);
145 esrEmsDetail = new Gson().fromJson(esrEmsStr, EsrEmsDetail.class);
146 } catch (ExtsysException e) {
147 LOG.error("Query EMS detail failed! EMS ID: " + emsId, e);
152 private EsrEmsDetail getNewEsrEmsDetail(EmsRegisterInfo emsRegisterInfo, String emsId) {
153 EsrEmsDetail oriEsrEmsDetail = queryEsrEmsDetail(emsId);
154 EsrEmsDetail esrEmsDetail = emsManagerUtil.emsRegisterInfo2EsrEms(emsRegisterInfo);
155 String emsResourceVersion = oriEsrEmsDetail.getResourceVersion();
156 esrEmsDetail.setResourceVersion(emsResourceVersion);
157 esrEmsDetail.setEmsId(emsId);
158 List<EsrSystemInfo> newEsrSysInfoList = esrEmsDetail.getEsrSystemInfoList().getEsrSystemInfo();
159 List<EsrSystemInfo> oriEsrSysInfoList = oriEsrEmsDetail.getEsrSystemInfoList().getEsrSystemInfo();
160 for (int i = 0; i < oriEsrSysInfoList.size(); i++) {
161 EsrSystemInfo originalEsrSystemInfo = oriEsrSysInfoList.get(i);
162 for (int j = 0; j < newEsrSysInfoList.size(); j++) {
163 EsrSystemInfo newEsrSystemInfo = newEsrSysInfoList.get(j);
164 if (originalEsrSystemInfo.getSystemType().equals(newEsrSystemInfo.getSystemType())) {
165 esrEmsDetail.getEsrSystemInfoList().getEsrSystemInfo().get(j)
166 .setResouceVersion(originalEsrSystemInfo.getResouceVersion());
167 esrEmsDetail.getEsrSystemInfoList().getEsrSystemInfo().get(j)
168 .setEsrSystemInfoId(originalEsrSystemInfo.getEsrSystemInfoId());