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.externalservice.aai.ExternalSystemProxy;
24 import org.onap.aai.esr.util.EmsManagerUtil;
25 import org.onap.aai.esr.entity.aai.EsrEmsDetail;
26 import org.onap.aai.esr.entity.aai.EsrEmsList;
27 import org.onap.aai.esr.entity.rest.CommonRegisterResponse;
28 import org.slf4j.Logger;
29 import org.slf4j.LoggerFactory;
31 import com.google.gson.Gson;
33 public class EmsManagerWrapper {
34 private static EmsManagerWrapper emsManagerWrapper;
35 private static final Logger LOG = LoggerFactory.getLogger(EmsManagerWrapper.class);
38 * get VnfmManagerWrapper instance.
39 * @return ems manager wrapper instance
41 public static EmsManagerWrapper getInstance() {
42 if (emsManagerWrapper == null) {
43 emsManagerWrapper = new EmsManagerWrapper();
45 return emsManagerWrapper;
48 public Response registerEms(EmsRegisterInfo emsRegisterInfo) {
49 CommonRegisterResponse result = new CommonRegisterResponse();
50 EsrEmsDetail esrEmsDetail = new EsrEmsDetail();
51 esrEmsDetail = EmsManagerUtil.emsRegisterInfo2EsrEms(emsRegisterInfo);
52 String emsId = esrEmsDetail.getEmsId();
54 ExternalSystemProxy.registerEms(emsId, esrEmsDetail);
56 return Response.ok(result).build();
57 } catch (Exception e) {
59 LOG.error("Register EMS failed !" + e.getMessage());
60 return Response.serverError().build();
64 public Response updateEms(EmsRegisterInfo ems) {
66 return Response.ok().build();
69 public Response queryEmsList() {
70 ArrayList<EmsRegisterInfo> emsList = new ArrayList<EmsRegisterInfo>();
71 EsrEmsList esrEms = new EsrEmsList();
73 String esrEmsStr = ExternalSystemProxy.queryEmsList();
74 esrEms = new Gson().fromJson(esrEmsStr, EsrEmsList.class);
75 LOG.info("Response from AAI by query EMS list: " + esrEms);
76 emsList = getEmsDetailList(esrEms);
77 return Response.ok(emsList).build();
78 } catch (Exception e) {
80 LOG.error("Query EMS list failed !");
81 return Response.serverError().build();
85 public Response queryEmsById(String emsId) {
86 EmsRegisterInfo ems = new EmsRegisterInfo();
87 ems = queryEmsDetail(emsId);
89 return Response.ok(ems).build();
91 return Response.ok().build();
95 public Response delEms(String emsId) {
96 EsrEmsDetail esrEmsDetail = new EsrEmsDetail();
97 esrEmsDetail = queryEsrEmsDetail(emsId);
98 String resourceVersion = esrEmsDetail.getResourceVersion();
99 if (resourceVersion != null) {
101 ExternalSystemProxy.deleteEms(emsId, resourceVersion);
102 return Response.noContent().build();
103 } catch (Exception e) {
105 LOG.error("Delete EMS from A&AI failed! EMS ID: " + emsId + "resouce-version:"
106 + resourceVersion, e.getMessage());
107 return Response.serverError().build();
110 LOG.error("resouce-version is null ! Can not delete resouce from A&AI. ");
111 return Response.serverError().build();
115 private EmsRegisterInfo queryEmsDetail(String emsId) {
116 EmsRegisterInfo emsRegisterInfo = new EmsRegisterInfo();
117 EsrEmsDetail esrEmsDetail = new EsrEmsDetail();
119 String esrEmsStr = ExternalSystemProxy.queryEmsDetail(emsId);
120 LOG.info("Response from AAI by query EMS: " + esrEmsStr);
121 esrEmsDetail = new Gson().fromJson(esrEmsStr, EsrEmsDetail.class);
122 emsRegisterInfo = EmsManagerUtil.EsrEms2EmsRegisterInfo(esrEmsDetail);
123 return emsRegisterInfo;
124 } catch (Exception e) {
126 LOG.error("Query EMS detail failed! EMS ID: " + emsId, e.getMessage());
131 private ArrayList<EmsRegisterInfo> getEmsDetailList(EsrEmsList esrEms) {
132 ArrayList<EmsRegisterInfo> emsInfoList = new ArrayList<EmsRegisterInfo>();
133 EmsRegisterInfo emsInfo = new EmsRegisterInfo();
134 for (int i = 0; i < esrEms.getEsrEms().size(); i++) {
135 String emsId = esrEms.getEsrEms().get(i).getEmsId();
136 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 (Exception e) {
152 LOG.error("Query EMS detail failed! EMS ID: " + emsId, e.getMessage());