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();
38 private static ExternalSystemProxy externalSystemProxy = new ExternalSystemProxy();
40 * get VnfmManagerWrapper instance.
42 * @return ems manager wrapper instance
44 public static EmsManagerWrapper getInstance() {
45 if (emsManagerWrapper == null) {
46 emsManagerWrapper = new EmsManagerWrapper(externalSystemProxy);
48 return emsManagerWrapper;
51 public EmsManagerWrapper(ExternalSystemProxy externalSystemProxy){
52 EmsManagerWrapper.externalSystemProxy = externalSystemProxy;
55 public Response registerEms(EmsRegisterInfo emsRegisterInfo) {
56 CommonRegisterResponse result = new CommonRegisterResponse();
57 EsrEmsDetail esrEmsDetail = emsManagerUtil.emsRegisterInfo2EsrEms(emsRegisterInfo);
58 String emsId = esrEmsDetail.getEmsId();
60 externalSystemProxy.registerEms(emsId, esrEmsDetail);
62 return Response.ok(result).build();
63 } catch (ExtsysException e) {
64 LOG.error("Register EMS failed !", e);
65 throw ExceptionUtil.buildExceptionResponse(e.getMessage());
69 public Response updateEms(EmsRegisterInfo emsRegisterInfo, String emsId) {
70 CommonRegisterResponse result = new CommonRegisterResponse();
71 EsrEmsDetail esrEmsDetail = getNewEsrEmsDetail(emsRegisterInfo, emsId);
73 externalSystemProxy.registerEms(emsId, esrEmsDetail);
75 return Response.ok(result).build();
76 } catch (ExtsysException e) {
77 LOG.error("Update VNFM failed !", e);
78 throw ExceptionUtil.buildExceptionResponse(e.getMessage());
82 public Response queryEmsList() {
83 List<EmsRegisterInfo> emsList = new ArrayList<>();
84 EsrEmsList esrEms = new EsrEmsList();
86 String esrEmsStr = externalSystemProxy.queryEmsList();
87 esrEms = new Gson().fromJson(esrEmsStr, EsrEmsList.class);
88 LOG.info("Response from AAI by query EMS list: " + esrEms);
89 emsList = getEmsDetailList(esrEms);
90 return Response.ok(emsList).build();
91 } catch (ExtsysException e) {
92 LOG.error("Query EMS list failed !", e);
93 return Response.ok(emsList).build();
97 public Response queryEmsById(String emsId) {
98 EmsRegisterInfo ems = queryEmsDetail(emsId);
100 return Response.ok(ems).build();
102 return Response.ok(ems).build();
106 public Response delEms(String emsId) {
107 EsrEmsDetail esrEmsDetail = queryEsrEmsDetail(emsId);
108 String resourceVersion = esrEmsDetail.getResourceVersion();
110 externalSystemProxy.deleteEms(emsId, resourceVersion);
111 return Response.noContent().build();
112 } catch (ExtsysException e) {
113 LOG.error("Delete EMS from A&AI failed! EMS ID: " + emsId + "resouce-version:" + resourceVersion, e);
114 throw ExceptionUtil.buildExceptionResponse(e.getMessage());
118 private EmsRegisterInfo queryEmsDetail(String emsId) {
119 EmsRegisterInfo emsRegisterInfo = new EmsRegisterInfo();
120 EsrEmsDetail esrEmsDetail = new EsrEmsDetail();
122 String esrEmsStr = externalSystemProxy.queryEmsDetail(emsId);
123 LOG.info("Response from AAI by query EMS: " + esrEmsStr);
124 esrEmsDetail = new Gson().fromJson(esrEmsStr, EsrEmsDetail.class);
125 emsRegisterInfo = emsManagerUtil.EsrEms2EmsRegisterInfo(esrEmsDetail);
126 } catch (ExtsysException e) {
127 LOG.error("Query EMS detail failed! EMS ID: " + emsId, e);
129 return emsRegisterInfo;
132 private List<EmsRegisterInfo> getEmsDetailList(EsrEmsList esrEms) {
133 List<EmsRegisterInfo> emsInfoList = new ArrayList<>();
134 for (int i = 0; i < esrEms.getEsrEms().size(); i++) {
135 String emsId = esrEms.getEsrEms().get(i).getEmsId();
136 EmsRegisterInfo emsInfo = queryEmsDetail(emsId);
137 if (emsInfo != null) {
138 emsInfoList.add(emsInfo);
144 private EsrEmsDetail queryEsrEmsDetail(String emsId) {
145 EsrEmsDetail esrEmsDetail = new EsrEmsDetail();
147 String esrEmsStr = externalSystemProxy.queryEmsDetail(emsId);
148 LOG.info("Response from AAI by query EMS: " + esrEmsStr);
149 esrEmsDetail = new Gson().fromJson(esrEmsStr, EsrEmsDetail.class);
150 } catch (ExtsysException e) {
151 LOG.error("Query EMS detail failed! EMS ID: " + emsId, e);
156 private EsrEmsDetail getNewEsrEmsDetail(EmsRegisterInfo emsRegisterInfo, String emsId) {
157 EsrEmsDetail oriEsrEmsDetail = queryEsrEmsDetail(emsId);
158 EsrEmsDetail esrEmsDetail = emsManagerUtil.emsRegisterInfo2EsrEms(emsRegisterInfo);
159 String emsResourceVersion = oriEsrEmsDetail.getResourceVersion();
160 esrEmsDetail.setResourceVersion(emsResourceVersion);
161 esrEmsDetail.setEmsId(emsId);
162 List<EsrSystemInfo> newEsrSysInfoList = esrEmsDetail.getEsrSystemInfoList().getEsrSystemInfo();
163 List<EsrSystemInfo> oriEsrSysInfoList = oriEsrEmsDetail.getEsrSystemInfoList().getEsrSystemInfo();
164 for (int i = 0; i < oriEsrSysInfoList.size(); i++) {
165 EsrSystemInfo originalEsrSystemInfo = oriEsrSysInfoList.get(i);
166 for (int j = 0; j < newEsrSysInfoList.size(); j++) {
167 EsrSystemInfo newEsrSystemInfo = newEsrSysInfoList.get(j);
168 if (originalEsrSystemInfo.getSystemType().equals(newEsrSystemInfo.getSystemType())) {
169 esrEmsDetail.getEsrSystemInfoList().getEsrSystemInfo().get(j)
170 .setResouceVersion(originalEsrSystemInfo.getResouceVersion());
171 esrEmsDetail.getEsrSystemInfoList().getEsrSystemInfo().get(j)
172 .setEsrSystemInfoId(originalEsrSystemInfo.getEsrSystemInfoId());