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;
20 import javax.ws.rs.core.Response;
22 import org.onap.aai.esr.entity.rest.EmsRegisterInfo;
23 import org.onap.aai.esr.exception.ExceptionUtil;
24 import org.onap.aai.esr.exception.ExtsysException;
25 import org.onap.aai.esr.externalservice.aai.ExternalSystemProxy;
26 import org.onap.aai.esr.util.EmsManagerUtil;
27 import org.onap.aai.esr.entity.aai.EsrEmsDetail;
28 import org.onap.aai.esr.entity.aai.EsrEmsList;
29 import org.onap.aai.esr.entity.aai.EsrSystemInfo;
30 import org.onap.aai.esr.entity.rest.CommonRegisterResponse;
31 import org.slf4j.Logger;
32 import org.slf4j.LoggerFactory;
34 import com.google.gson.Gson;
36 public class EmsManagerWrapper {
37 private static EmsManagerWrapper emsManagerWrapper;
38 private static final Logger LOG = LoggerFactory.getLogger(EmsManagerWrapper.class);
39 private static EmsManagerUtil emsManagerUtil = new EmsManagerUtil();
42 * get VnfmManagerWrapper instance.
43 * @return ems manager wrapper instance
45 public static EmsManagerWrapper getInstance() {
46 if (emsManagerWrapper == null) {
47 emsManagerWrapper = new EmsManagerWrapper();
49 return emsManagerWrapper;
52 public Response registerEms(EmsRegisterInfo emsRegisterInfo) {
53 CommonRegisterResponse result = new CommonRegisterResponse();
54 EsrEmsDetail esrEmsDetail = new EsrEmsDetail();
55 esrEmsDetail = emsManagerUtil.emsRegisterInfo2EsrEms(emsRegisterInfo);
56 String emsId = esrEmsDetail.getEmsId();
58 ExternalSystemProxy.registerEms(emsId, esrEmsDetail);
60 return Response.ok(result).build();
61 } catch (ExtsysException e) {
62 LOG.error("Register EMS failed !", e);
63 throw ExceptionUtil.buildExceptionResponse(e.getMessage());
67 public Response updateEms(EmsRegisterInfo emsRegisterInfo, String emsId) {
68 CommonRegisterResponse result = new CommonRegisterResponse();
69 EsrEmsDetail esrEmsDetail = new EsrEmsDetail();
70 esrEmsDetail = getNewEsrEmsDetail(emsRegisterInfo, emsId);
72 ExternalSystemProxy.registerEms(emsId, esrEmsDetail);
74 return Response.ok(result).build();
75 } catch (ExtsysException e) {
76 LOG.error("Update VNFM failed !", e);
77 throw ExceptionUtil.buildExceptionResponse(e.getMessage());
81 public Response queryEmsList() {
82 ArrayList<EmsRegisterInfo> emsList = new ArrayList<EmsRegisterInfo>();
83 EsrEmsList esrEms = new EsrEmsList();
85 String esrEmsStr = ExternalSystemProxy.queryEmsList();
86 esrEms = new Gson().fromJson(esrEmsStr, EsrEmsList.class);
87 LOG.info("Response from AAI by query EMS list: " + esrEms);
88 emsList = getEmsDetailList(esrEms);
89 return Response.ok(emsList).build();
90 } catch (ExtsysException e) {
91 LOG.error("Query EMS list failed !", e);
92 return Response.ok(emsList).build();
96 public Response queryEmsById(String emsId) {
98 ems = queryEmsDetail(emsId);
100 return Response.ok(ems).build();
102 return Response.ok(ems).build();
106 public Response delEms(String emsId) {
107 EsrEmsDetail esrEmsDetail = new EsrEmsDetail();
108 esrEmsDetail = queryEsrEmsDetail(emsId);
109 String resourceVersion = esrEmsDetail.getResourceVersion();
111 ExternalSystemProxy.deleteEms(emsId, resourceVersion);
112 return Response.noContent().build();
113 } catch (ExtsysException e) {
115 "Delete EMS from A&AI failed! EMS ID: " + emsId + "resouce-version:" + resourceVersion,
117 throw ExceptionUtil.buildExceptionResponse(e.getMessage());
121 private EmsRegisterInfo queryEmsDetail(String emsId) {
122 EmsRegisterInfo emsRegisterInfo = new EmsRegisterInfo();
123 EsrEmsDetail esrEmsDetail = new EsrEmsDetail();
125 String esrEmsStr = ExternalSystemProxy.queryEmsDetail(emsId);
126 LOG.info("Response from AAI by query EMS: " + esrEmsStr);
127 esrEmsDetail = new Gson().fromJson(esrEmsStr, EsrEmsDetail.class);
128 emsRegisterInfo = emsManagerUtil.EsrEms2EmsRegisterInfo(esrEmsDetail);
129 } catch (ExtsysException e) {
130 LOG.error("Query EMS detail failed! EMS ID: " + emsId, e);
132 return emsRegisterInfo;
135 private ArrayList<EmsRegisterInfo> getEmsDetailList(EsrEmsList esrEms) {
136 ArrayList<EmsRegisterInfo> emsInfoList = new ArrayList<EmsRegisterInfo>();
137 EmsRegisterInfo emsInfo = new EmsRegisterInfo();
138 for (int i = 0; i < esrEms.getEsrEms().size(); i++) {
139 String emsId = esrEms.getEsrEms().get(i).getEmsId();
140 emsInfo = queryEmsDetail(emsId);
141 if (emsInfo != null) {
142 emsInfoList.add(emsInfo);
148 private EsrEmsDetail queryEsrEmsDetail (String emsId) {
149 EsrEmsDetail esrEmsDetail = new EsrEmsDetail();
151 String esrEmsStr = ExternalSystemProxy.queryEmsDetail(emsId);
152 LOG.info("Response from AAI by query EMS: " + esrEmsStr);
153 esrEmsDetail = new Gson().fromJson(esrEmsStr, EsrEmsDetail.class);
154 } catch (ExtsysException e) {
155 LOG.error("Query EMS detail failed! EMS ID: " + emsId, e);
160 private EsrEmsDetail getNewEsrEmsDetail(EmsRegisterInfo emsRegisterInfo, String emsId) {
161 EsrEmsDetail esrEmsDetail = new EsrEmsDetail();
162 ArrayList<EsrSystemInfo> newEsrSysInfoList = new ArrayList<EsrSystemInfo>();
163 EsrSystemInfo newEsrSystemInfo = new EsrSystemInfo();
164 EsrEmsDetail oriEsrEmsDetail = new EsrEmsDetail();
165 ArrayList<EsrSystemInfo> oriEsrSysInfoList = new ArrayList<EsrSystemInfo>();
166 EsrSystemInfo originalEsrSystemInfo = new EsrSystemInfo();
168 oriEsrEmsDetail = queryEsrEmsDetail(emsId);
169 esrEmsDetail = emsManagerUtil.emsRegisterInfo2EsrEms(emsRegisterInfo);
170 String emsResourceVersion = oriEsrEmsDetail.getResourceVersion();
171 esrEmsDetail.setResourceVersion(emsResourceVersion);
172 esrEmsDetail.setEmsId(emsId);
173 newEsrSysInfoList = esrEmsDetail.getEsrSystemInfoList().getEsrSystemInfo();
174 oriEsrSysInfoList = oriEsrEmsDetail.getEsrSystemInfoList().getEsrSystemInfo();
175 for (int i = 0; i < oriEsrSysInfoList.size(); i++) {
176 originalEsrSystemInfo = oriEsrSysInfoList.get(i);
177 for (int j = 0; j < newEsrSysInfoList.size(); j++) {
178 newEsrSystemInfo = newEsrSysInfoList.get(j);
179 if (originalEsrSystemInfo.getSystemType().equals(newEsrSystemInfo.getSystemType())) {
180 esrEmsDetail.getEsrSystemInfoList().getEsrSystemInfo().get(j)
181 .setResouceVersion(originalEsrSystemInfo.getResouceVersion());
182 esrEmsDetail.getEsrSystemInfoList().getEsrSystemInfo().get(j)
183 .setEsrSystemInfoId(originalEsrSystemInfo.getEsrSystemInfoId());