Add Nfvo external system backend changes in ESR

[aai/esr-server.git] / esr-mgr / src / main / java / org / onap / aai / esr / wrapper / NfvoManagerWrapper.java

diff --git a/esr-mgr/src/main/java/org/onap/aai/esr/wrapper/NfvoManagerWrapper.java b/esr-mgr/src/main/java/org/onap/aai/esr/wrapper/NfvoManagerWrapper.java
new file mode 100644 (file)
index 0000000..f546320
--- /dev/null
+++ b/esr-mgr/src/main/java/org/onap/aai/esr/wrapper/NfvoManagerWrapper.java
@@ -0,0 +1,175 @@
+/**
+ * Copyright 2019  Verizon. All Rights Reserved.
+ *
+ * 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.EsrSystemInfo;
+import org.onap.aai.esr.entity.aai.EsrNfvoDetail;
+import org.onap.aai.esr.entity.aai.EsrNfvoList;
+import org.onap.aai.esr.entity.rest.CommonRegisterResponse;
+import org.onap.aai.esr.entity.rest.NfvoRegisterInfo;
+import org.onap.aai.esr.exception.ExceptionUtil;
+import org.onap.aai.esr.exception.ExtsysException;
+import org.onap.aai.esr.externalservice.aai.ExternalSystemProxy;
+import org.onap.aai.esr.util.NfvoManagerUtil;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import com.google.gson.Gson;
+
+public class NfvoManagerWrapper {
+    private static NfvoManagerWrapper NfvoManagerWrapper;
+    private static final Logger LOG = LoggerFactory.getLogger(NfvoManagerWrapper.class);
+
+    private static NfvoManagerUtil nfvoManagerUtil = new NfvoManagerUtil();
+    private static ExternalSystemProxy externalSystemProxy = new ExternalSystemProxy();
+
+    /**
+     * get NfvoManagerWrapper instance.
+     * 
+     * @return nfvo manager wrapper instance
+     */
+    public static NfvoManagerWrapper getInstance() {
+        if (NfvoManagerWrapper == null) {
+            NfvoManagerWrapper = new NfvoManagerWrapper(externalSystemProxy);
+        }
+        return NfvoManagerWrapper;
+    }
+    
+    public NfvoManagerWrapper(ExternalSystemProxy externalSystemProxy){
+        NfvoManagerWrapper.externalSystemProxy = externalSystemProxy;
+    }
+
+    public Response registerNfvo(NfvoRegisterInfo nfvo) {
+        CommonRegisterResponse result = new CommonRegisterResponse();
+        EsrNfvoDetail esrNfvoDetail = nfvoManagerUtil.nfvoRegisterInfo2EsrNfvo(nfvo);
+        String nfvoId = esrNfvoDetail.getNfvoId();
+        try {
+            externalSystemProxy.registerNfvo(nfvoId, esrNfvoDetail);
+            result.setId(nfvoId);
+            return Response.ok(result).build();
+        } catch (ExtsysException e) {
+            LOG.error("Register NFVO failed !", e);
+            throw ExceptionUtil.buildExceptionResponse(e.getMessage());
+        }
+    }
+
+    public Response updateNfvo(NfvoRegisterInfo nfvo, String nfvoId) {
+        CommonRegisterResponse result = new CommonRegisterResponse();
+        EsrNfvoDetail originalEsrNfvoDetail = queryEsrNfvoDetail(nfvoId);
+        EsrNfvoDetail esrNfvoDetail = nfvoManagerUtil.nfvoRegisterInfo2EsrNfvo(nfvo);
+        String resourceVersion = getResourceVersion(nfvoId);
+        esrNfvoDetail.setResourceVersion(resourceVersion);
+        esrNfvoDetail.setNfvoId(nfvoId);
+        EsrSystemInfo originalEsrSystemInfo = originalEsrNfvoDetail.getEsrSystemInfoList().getEsrSystemInfo().get(0);
+        esrNfvoDetail.getEsrSystemInfoList().getEsrSystemInfo().get(0)
+                .setEsrSystemInfoId(originalEsrSystemInfo.getEsrSystemInfoId());
+        esrNfvoDetail.getEsrSystemInfoList().getEsrSystemInfo().get(0)
+                .setResouceVersion(originalEsrSystemInfo.getResouceVersion());
+        try {
+            externalSystemProxy.registerNfvo(nfvoId, esrNfvoDetail);
+            result.setId(nfvoId);
+            return Response.ok(result).build();
+        } catch (ExtsysException e) {
+            LOG.error("Update NFVO failed !", e);
+            throw ExceptionUtil.buildExceptionResponse(e.getMessage());
+        }
+    }
+
+    public Response queryNfvoList() {
+        List<NfvoRegisterInfo> nfvoList = new ArrayList<>();
+        EsrNfvoList esrNfvo = new EsrNfvoList();
+        try {
+            String esrNfvoStr = externalSystemProxy.queryNfvoList();
+            esrNfvo = new Gson().fromJson(esrNfvoStr, EsrNfvoList.class);
+            LOG.info("Response from AAI by query NFVO list: " + esrNfvo);
+            nfvoList = getNfvoDetailList(esrNfvo);
+            return Response.ok(nfvoList).build();
+        } catch (ExtsysException e) {
+            LOG.error("Query NFVO list failed !", e);
+            return Response.ok(nfvoList).build();
+        }
+    }
+
+    public Response queryNfvoById(String nfvoId) {
+        NfvoRegisterInfo nfvo = queryNfvoDetail(nfvoId);
+        if (nfvo != null) {
+            return Response.ok(nfvo).build();
+        } else {
+            return Response.ok(nfvo).build();
+        }
+    }
+
+    public Response delNfvo(String nfvoId) {
+        String resourceVersion = getResourceVersion(nfvoId);
+        try {
+            externalSystemProxy.deleteNfvo(nfvoId, resourceVersion);
+            return Response.noContent().build();
+        } catch (ExtsysException e) {
+            LOG.error("Delete NFVO from A&AI failed! NFVO ID: " + nfvoId + "resouce-version:" + resourceVersion, e);
+            throw ExceptionUtil.buildExceptionResponse(e.getMessage());
+        }
+    }
+
+    private NfvoRegisterInfo queryNfvoDetail(String nfvoId) {
+        NfvoRegisterInfo nfvo = new NfvoRegisterInfo();
+        EsrNfvoDetail esrNfvoDetail = new EsrNfvoDetail();
+        try {
+            String esrNfvostr = externalSystemProxy.queryNfvoDetail(nfvoId);
+            LOG.info("Response from AAI by query NFVO: " + esrNfvostr);
+            esrNfvoDetail = new Gson().fromJson(esrNfvostr, EsrNfvoDetail.class);
+            nfvo = nfvoManagerUtil.esrNfvo2NfvoRegisterInfo(esrNfvoDetail);
+        } catch (ExtsysException e) {
+            LOG.error("Query NFVO detail failed! NFVO ID: " + nfvoId, e);
+        }
+        return nfvo;
+    }
+
+    private List<NfvoRegisterInfo> getNfvoDetailList(EsrNfvoList esrNfvo) {
+        List<NfvoRegisterInfo> nfvoInfoList = new ArrayList<>();
+        for (int i = 0; i < esrNfvo.getEsrNfvo().size(); i++) {
+            String nfvoId = esrNfvo.getEsrNfvo().get(i).getNfvoId();
+            NfvoRegisterInfo nfvoInfo = queryNfvoDetail(nfvoId);
+            if (nfvoInfo != null) {
+                nfvoInfoList.add(nfvoInfo);
+            }
+        }
+        return nfvoInfoList;
+    }
+
+    private String getResourceVersion(String nfvoId) {
+        String resourceVersion = null;
+        EsrNfvoDetail esrNfvoDetail = queryEsrNfvoDetail(nfvoId);
+        if (esrNfvoDetail != null && esrNfvoDetail.getResourceVersion() != null) {
+            resourceVersion = esrNfvoDetail.getResourceVersion();
+        }
+        return resourceVersion;
+    }
+
+    private EsrNfvoDetail queryEsrNfvoDetail(String nfvoId) {
+        EsrNfvoDetail esrNfvoDetail = new EsrNfvoDetail();
+        try {
+            String esrNfvostr = externalSystemProxy.queryNfvoDetail(nfvoId);
+            LOG.info("Response from AAI by query NFVO: " + esrNfvostr);
+            esrNfvoDetail = new Gson().fromJson(esrNfvostr, EsrNfvoDetail.class);
+        } catch (ExtsysException e) {
+            LOG.error("Query NFVO detail failed! NFVO ID: " + nfvoId, e);
+            throw ExceptionUtil.buildExceptionResponse(e.getMessage());
+        }
+        return esrNfvoDetail;
+    }
+}