import retrofit2.http.Body;
 import retrofit2.http.DELETE;
 import retrofit2.http.GET;
-import retrofit2.http.Headers;
 import retrofit2.http.PUT;
 import retrofit2.http.Path;
 import retrofit2.http.Query;
 
 public interface AAIService {
 
-    @Headers({
-            "X-TransactionId: 7777",
-            "X-FromAppId: uui",
-            "Authorization: Basic QUFJOkFBSQ==",
-            "Accept: application/json"
-    })
+
 //    @GET("/api/aai-business/v11/customers")
     @GET("/api/aai-business/v13/customers")
     Call<AAICustomerRsp> listCustomer();
-    
-    @Headers({
-        "X-TransactionId: 7777",
-        "X-FromAppId: uui",
-        "Authorization: Basic QUFJOkFBSQ==",
-        "Accept: application/json"
-       })
+
        @GET("/api/aai-externalSystem/v16/esr-nfvo-list")
        Call<AAIOrchestratorRsp> listOrchestrator();
-    
-    @Headers({
-        "X-TransactionId: 7777",
-        "X-FromAppId: uui",
-        "Authorization: Basic QUFJOkFBSQ==",
-        "Accept: application/json"
-       })
+
        @GET("/api/aai-externalSystem/v16/esr-nfvo-list/esr-nfvo/{nfvo-id}?depth=all")
        Call<AAISingleOrchestratorRsp> getOrchestrator(@Path("nfvo-id") String nfvoId);
-    
-    @Headers({
-        "X-TransactionId: 7777",
-        "X-FromAppId: uui",
-        "Authorization: Basic QUFJOkFBSQ==",
-        "Accept: application/json"
-    })
+
     @PUT("/api/aai-business/v13/customers/customer/{global-customer-id}")
     Call<ResponseBody> createOrUpdateCustomer(@Path("global-customer-id") String customerId,@Body RequestBody body);
-    
-    @Headers({
-        "X-TransactionId: 7777",
-        "X-FromAppId: uui",
-        "Authorization: Basic QUFJOkFBSQ==",
-        "Accept: application/json"
-    })
+
     @DELETE("/api/aai-business/v13//customers/customer/{global-customer-id}")
     Call<ResponseBody> deleteCustomer(@Path("global-customer-id") String customerId,@Query("resource-version") String resourceVersion);
-    
-    @Headers({
-        "X-TransactionId: 7777",
-        "X-FromAppId: uui",
-        "Authorization: Basic QUFJOkFBSQ==",
-        "Accept: application/json"
-    })
+
     @GET("/api/aai-business/v13//customers/customer/{global-customer-id}")
     Call<AAICustomer> getCustomerById(@Path("global-customer-id") String customerId);
-    
-    @Headers({
-            "X-TransactionId: 7777",
-            "X-FromAppId: uui",
-            "Authorization: Basic QUFJOkFBSQ==",
-            "Accept: application/json"
-    })
+
 //    @GET("/api/aai-business/v11/customers/customer/{global-customer-id}/service-subscriptions/service-subscription/{service-type}/service-instances")
     @GET("/api/aai-business/v16/customers/customer/{global-customer-id}/service-subscriptions/service-subscription/{service-type}/service-instances")
     Call<ResponseBody> listServiceInstances(@Path("global-customer-id") String customerId, @Path("service-type") String serviceType);
 
-    @Headers({
-            "X-TransactionId: 7777",
-            "X-FromAppId: uui",
-            "Authorization: Basic QUFJOkFBSQ==",
-            "Accept: application/json"
-    })
 //    @GET("/cloud-infrastructure/cloud-regions")
     @GET("/api/aai-cloudInfrastructure/v11/cloud-regions")
     Call<VimInfoRsp> listVimInfo();
 
-    @Headers({
-            "X-TransactionId: 7777",
-            "X-FromAppId: uui",
-            "Authorization: Basic QUFJOkFBSQ==",
-            "Accept: application/json"
-    })
 //    @GET("/api/aai-business/v11/customers/customer/{global-customer-id}/service-subscriptions")
     @GET("/api/aai-business/v11/customers/customer/{global-customer-id}/service-subscriptions")
     Call<ServiceSubscriptionRsp> listServiceSubscriptions(@Path("global-customer-id") String customerId);
-    
-    @Headers({
-        "X-TransactionId: 7777",
-        "X-FromAppId: uui",
-        "Authorization: Basic QUFJOkFBSQ==",
-        "Accept: application/json"
-       })
+
        //@GET("/api/aai-business/v11/customers/customer/{global-customer-id}/service-subscriptions")
        @PUT("/api/aai-business/v11/customers/customer/{global-customer-id}/service-subscriptions/service-subscription/{service-type}")
        Call<ResponseBody> createOrUpdateServiceType(@Path("global-customer-id") String customerId,@Path("service-type") String serviceType,@Body RequestBody body);
-    
-    @Headers({
-        "X-TransactionId: 7777",
-        "X-FromAppId: uui",
-        "Authorization: Basic QUFJOkFBSQ==",
-        "Accept: application/json"
-       })
+
        //@GET("/api/aai-business/v11/customers/customer/{global-customer-id}/service-subscriptions")
        @DELETE("/api/aai-business/v11/customers/customer/{global-customer-id}/service-subscriptions/service-subscription/{service-type}")
        Call<ResponseBody> deleteServiceType(@Path("global-customer-id") String customerId,@Path("service-type") String serviceType,@Query("resource-version") String resourceVersion);
-    
-    @Headers({
-        "X-TransactionId: 7777",
-        "X-FromAppId: uui",
-        "Authorization: Basic QUFJOkFBSQ==",
-        "Accept: application/json"
-       })
+
        //@GET("/api/aai-business/v11/customers/customer/{global-customer-id}/service-subscriptions")
        @GET("/api/aai-business/v11/customers/customer/{global-customer-id}/service-subscriptions/service-subscription/{service-type}")
        Call<AAIServiceSubscription> getServiceTypeById(@Path("global-customer-id") String customerId,@Path("service-type") String serviceType);
-    
-    @Headers({
-            "X-TransactionId: 7777",
-            "X-FromAppId: uui",
-            "Authorization: Basic QUFJOkFBSQ==",
-            "Accept: application/json"
-    })
+
     @GET("/api/aai-externalSystem/v11/esr-thirdparty-sdnc-list")
     Call<SDNCControllerRsp> listSdncControllers();
-    
-    @Headers({
-        "X-TransactionId: 7777",
-        "X-FromAppId: uui",
-        "Authorization: Basic QUFJOkFBSQ==",
-        "Accept: application/json"
-       })
+
        @GET("/api/aai-business/v11/customers/customer/{customerId}/service-subscriptions/service-subscription/{service-type}/service-instances/service-instance/{serviceId}")
        Call<ResponseBody> getAAIServiceInstance(@Path("customerId") String customerId,@Path("service-type") String seviceType,@Path("serviceId") String serviceId);
-    
-    @Headers({
-        "X-TransactionId: 7777",
-        "X-FromAppId: uui",
-        "Authorization: Basic QUFJOkFBSQ==",
-        "Accept: application/json"
-    })
+
        @GET("/api/aai-network/v14/network-resources")
        Call<ResponseBody> listNetWorkResources();
-    
-    @Headers({
-        "X-TransactionId: 7777",
-        "X-FromAppId: uui",
-        "Authorization: Basic QUFJOkFBSQ==",
-        "Accept: application/json"
-    })
+
        @GET("/api/aai-network/v14/pnfs/pnf/{pnfName}/p-interfaces")
        Call<PinterfaceRsp> getPinterfaceByPnfName(@Path("pnfName") String pnfName);
-    
-    @Headers({
-            "X-TransactionId: 9999",
-            "X-FromAppId: MSO",
-            "Authorization: Basic SW5mcmFQb3J0YWxDbGllbnQ6cGFzc3dvcmQxJA==",
-            "Accept: application/json"
-    })
+
        @GET("/aai/v24/network/logical-links")
        Call<ResponseBody> getLogicalLinks();
-    
-    @Headers({
-       "X-TransactionId: 7777",
-       "X-FromAppId: uui",
-       "Authorization: Basic QUFJOkFBSQ==",
-       "Accept: application/json"
-    })
+
     @GET("/api/aai-network/v14/logical-links/logical-link/{link-name}")
     Call<ResponseBody> getSpecificLogicalLink(@Path("link-name") String linkName);
-    
-    @Headers({
-        "X-TransactionId: 7777",
-        "X-FromAppId: uui",
-        "Authorization: Basic QUFJOkFBSQ==",
-        "Accept: application/json"
-    })
+
     @PUT("/api/aai-network/v14/network-resources/network-resource/{networkId}")
     Call<ResponseBody> createTopoNetwork(@Body RequestBody body,@Path("networkId") String networkId);
-    
-    @Headers({
-       "X-TransactionId: 7777",
-       "X-FromAppId: uui",
-       "Authorization: Basic QUFJOkFBSQ==",
-       "Accept: application/json"
-    })
+
     @PUT("/api/aai-network/v14/ext-aai-networks/ext-aai-network/{aai-id}")
     Call<ResponseBody> createHostUrl(@Body RequestBody body,@Path("aai-id") String aaiId);
-    
-    @Headers({
-        "X-TransactionId: 7777",
-        "X-FromAppId: uui",
-        "Authorization: Basic QUFJOkFBSQ==",
-        "Accept: application/json"
-    })
+
        @GET("/api/aai-network/v14/ext-aai-networks/ext-aai-network/{aai-id}")
        Call<ResponseBody> getExtAaiId(@Path("aai-id") String aaiId);
-    
-    @Headers({
-        "X-TransactionId: 7777",
-        "X-FromAppId: uui",
-        "Authorization: Basic QUFJOkFBSQ==",
-        "Accept: application/json"
-    })
+
        @GET("/api/aai-network/v14/ext-aai-networks/ext-aai-network/{aai-id}/esr-system-info")
        Call<ResponseBody> getHostUrl(@Path("aai-id") String aaiId);
-    
-    @Headers({
-        "X-TransactionId: 7777",
-        "X-FromAppId: uui",
-        "Authorization: Basic QUFJOkFBSQ==",
-        "Accept: application/json"
-    })
+
     @PUT("/api/aai-network/v14/pnfs/pnf/{pnfName}/p-interfaces/p-interface/{tp-id}")
     Call<ResponseBody> createTerminationPoint(@Body RequestBody body,@Path("pnfName") String pnfName,@Path("tp-id") String tpId);
-    
-    @Headers({
-        "X-TransactionId: 7777",
-        "X-FromAppId: uui",
-        "Authorization: Basic QUFJOkFBSQ==",
-        "Accept: application/json"
-    })
+
     @PUT("/api/aai-network/v14/pnfs/pnf/{pnfname}")
     Call<ResponseBody> createPnf(@Body RequestBody body,@Path("pnfname") String pnfname);
-    
-    @Headers({
-       "X-TransactionId: 7777",
-       "X-FromAppId: uui",
-       "Authorization: Basic QUFJOkFBSQ==",
-       "Accept: application/json"
-    })
+
     @PUT("/api/aai-network/v14/logical-links/logical-link/{linkName}")
     Call<ResponseBody> createLink(@Body RequestBody body,@Path("linkName") String linkName);
-    
-    @Headers({
-        "X-TransactionId: 7777",
-        "X-FromAppId: uui",
-        "Authorization: Basic QUFJOkFBSQ==",
-        "Accept: application/json"
-    })
+
     @DELETE("/api/aai-network/v14/logical-links/logical-link/{linkName}")
     Call<ResponseBody> deleteLink(@Path("linkName") String linkName,@Query("resource-version") String resourceVersion);
-    
-    @Headers({
-        "X-TransactionId: 7777",
-        "X-FromAppId: uui",
-        "Authorization: Basic QUFJOkFBSQ==",
-        "Accept: application/json"
-    })
+
     @GET("/api/aai-business/v14/customers/customer/{global-customer-id}/service-subscriptions/service-subscription/{service-type}/service-instances")
     Call<ResponseBody> getServiceInstances(@Path("global-customer-id") String customerId,@Path("service-type") String serviceType);
-    
-    @Headers({
-        "X-TransactionId: 7777",
-        "X-FromAppId: uui",
-        "Authorization: Basic QUFJOkFBSQ==",
-        "Accept: application/json"
-    })
+
     @GET("/api/aai-business/v14/customers/customer/{global-customer-id}/service-subscriptions/service-subscription/{service-type}/service-instances")
     Call<ResponseBody> serviceInstaneInfo(@Path("global-customer-id") String globalCustomerId,@Path("service-type") String serviceType,@Query("service-instance-id") String serviceInstanceId);
-    
-    @Headers({
-       "X-TransactionId: 7777",
-       "X-FromAppId: uui",
-       "Authorization: Basic QUFJOkFBSQ==",
-       "Accept: application/json"
-    })
+
     @GET("/api/aai-business/v14/customers/customer/{global-customer-id}/service-subscriptions/service-subscription/{service-type}/service-instances/service-instance/{service-instance-id}/allotted-resources")
     Call<ResponseBody> getAllottedResources(@Path("global-customer-id") String globalCustomerId,@Path("service-type") String serviceType,@Path("service-instance-id") String serviceInstanceId);
-    
-    @Headers({
-            "X-TransactionId: 9999",
-            "X-FromAppId: MSO",
-            "Authorization: Basic SW5mcmFQb3J0YWxDbGllbnQ6cGFzc3dvcmQxJA==",
-            "Accept: application/json"
-    })
+
     @GET("/aai/v24/network/pnfs")
     Call<ResponseBody> getPnfInfo(@Query("pnfName") String pnfName);
-    
-    @Headers({
-            "X-TransactionId: 9999",
-            "X-FromAppId: MSO",
-            "Authorization: Basic SW5mcmFQb3J0YWxDbGllbnQ6cGFzc3dvcmQxJA==",
-            "Accept: application/json"
-    })
+
     @GET("/aai/v24/network/connectivities")
     Call<ResponseBody> getConnectivityInfo(@Query("connectivity-id") String connectivityId);
 
-    @Headers({
-            "X-TransactionId: 9999",
-            "X-FromAppId: MSO",
-            "Authorization: Basic SW5mcmFQb3J0YWxDbGllbnQ6cGFzc3dvcmQxJA==",
-            "Accept: application/json"
-    })
     @GET("/aai/v24/network/vpn-bindings")
     Call<ResponseBody> getVpnBindingInfo(@Query("vpn-id") String vpnId);
 
-    @Headers({
-            "X-TransactionId: 9999",
-            "X-FromAppId: MSO",
-            "Authorization: Basic SW5mcmFQb3J0YWxDbGllbnQ6cGFzc3dvcmQxJA==",
-            "Accept: application/json"
-    })
     @GET("/aai/v24/network/network-routes")
     Call<ResponseBody> getNetworkRouteInfo(@Query("route-id") String routeId);
 
-    @Headers({
-            "X-TransactionId: 9999",
-            "X-FromAppId: MSO",
-            "Authorization: Basic SW5mcmFQb3J0YWxDbGllbnQ6cGFzc3dvcmQxJA==",
-            "Accept: application/json"
-    })
     @GET("/aai/v24/network/unis")
     Call<ResponseBody> getUniInfo(@Query("uni-id") String uniId);
 
-    @Headers({
-       "X-TransactionId: 7777",
-       "X-FromAppId: uui",
-       "Authorization: Basic QUFJOkFBSQ==",
-       "Accept: application/json"
-    })
     @GET("/api/aai-network/v14/vpn-bindings")
     Call<ResponseBody> getPinterfaceByVpnId(@Query("vpn-id") String vpnId);
-    
-    @Headers({
-       "X-TransactionId: 7777",
-       "X-FromAppId: uui",
-       "Authorization: Basic QUFJOkFBSQ==",
-       "Accept: application/json"
-    })
+
     @DELETE("/api/aai-network/v14/ext-aai-networks/ext-aai-network/{aai-id}")
     Call<ResponseBody> deleteExtNetwork(@Path("aai-id") String aaiId,@Query("resource-version") String resourceVersion);
 
-    
-    @Headers({
-       "X-TransactionId: 7777",
-       "X-FromAppId: uui",
-       "Authorization: Basic QUFJOkFBSQ==",
-       "Accept: application/json"
-    })
     @PUT("/api/aai-query/v19?format=resource")
     Call<ResponseBody> querynNetworkResourceList(@Body RequestBody body);
-    @Headers({
-            "X-TransactionId: 7777",
-            "X-FromAppId: uui",
-            "Authorization: Basic QUFJOkFBSQ==",
-            "Accept: application/json"
-    })
+
     @GET("/api/aai-business/v14/customers/customer/{global-customer-id}/service-subscriptions/service-subscription/{service-type}/service-instances/service-instance/{service-instance-id}")
     Call<ResponseBody> getServiceInstancesForEdge(@Path("global-customer-id") String globalCustomerId,@Path("service-type") String serviceType,
                                                   @Path("service-instance-id") String serviceinstanceid);
-
-    @Headers({
-            "X-TransactionId: 7777",
-            "X-FromAppId: uui",
-            "Authorization: Basic QUFJOkFBSQ==",
-            "Accept: application/json"
-    })
     @GET("/api/aai-network/v14/connectivities/connectivity")
     Call<ResponseBody> getConnectivityInformation(@Query("connectivity-id") String connectivityId);
 
-    @Headers({
-            "X-TransactionId: 7777",
-            "X-FromAppId: uui",
-            "Authorization: Basic QUFJOkFBSQ==",
-            "Accept: application/json"
-    })
     @GET("/api/aai-network/v14/pnfs/pnf/{pnfName}/p-interfaces/p-interface/{tp-id}")
     Call<ResponseBody> getTerminationPoint(@Path("pnfName") String pnfName,@Path("tp-id") String tpId);
 
-    @Headers({
-            "X-TransactionId: 7777",
-            "X-FromAppId: uui",
-            "Authorization: Basic QUFJOkFBSQ==",
-            "Accept: application/json"
-    })
     @GET("/api/aai-business/v16/customers/customer/{global-customer-id}/service-subscriptions/service-subscription/{service-type}/service-instances/service-instance/{service-instance-id}/allotted-resources/allotted-resource/{allotted-resource-id}")
     Call<ResponseBody> getAllotedResourceFor5G(@Path("global-customer-id") String globalCustomerId,@Path("service-type") String serviceType,
                                                @Path("service-instance-id") String serviceinstanceid,@Path("allotted-resource-id") String allottedResourceId);
-    @Headers({
-            "X-TransactionId: 7777",
-            "X-FromAppId: uui",
-            "Authorization: Basic QUFJOkFBSQ==",
-            "Accept: application/json"
-    })
+
     @GET("/api/aai-network/v14/site-resources/site-resource/{site-resource-id}")
     Call<ResponseBody> getSiteResourceInfo(@Path("site-resource-id") String siteResourceId);
 
-    @Headers({
-            "X-TransactionId: 7777",
-            "X-FromAppId: uui",
-            "Authorization: Basic QUFJOkFBSQ==",
-            "Accept: application/json"
-    })
     @GET("/api/aai-cloudInfrastructure/v14/complexes/complex/{complex-id}")
     Call<ResponseBody> getComplexObject(@Path("complex-id") String complexId);
 
-    @Headers({
-            "X-TransactionId: 7777",
-            "X-FromAppId: uui",
-            "Authorization: Basic QUFJOkFBSQ==",
-            "Accept: application/json"
-    })
-
     @GET("/api/aai-business/v14/customers/customer/{global-customer-id}/service-subscriptions/service-subscription/{service-type}/service-instances")
     Call<ResponseBody> getAllServiceInformation(@Path("global-customer-id") String customerId, @Path("service-type") String serviceType);
-//    @Headers({
-//            "X-TransactionId: 7777",
-//            "X-FromAppId: uui",
-//            "Authorization: Basic QUFJOkFBSQ==",
-//            "Accept: application/json"
-//    })
-//    @GET("/api/aai-network/v14/pnfs/pnf/{pnfName}")
-//    Call<ResponseBody> getPnfInfo(@Path("pnfName") String pnfName);
-
-    @Headers({
-            "X-TransactionId: 7777",
-            "X-FromAppId: uui",
-            "Authorization: Basic QUFJOkFBSQ==",
-            "Accept: application/json"
-    })
 
     @GET("/api/aai-business/v13/customers/customer/{global-customer-id}/service-subscriptions")
     Call<ResponseBody> getServiceSubscription(@Path("global-customer-id") String customerID);
 
-    @Headers({
-            "X-TransactionId: 7777",
-            "X-FromAppId: uui",
-            "Authorization: Basic QUFJOkFBSQ==",
-            "Accept: application/json"
-    })
-
     @GET("/aai/v19/network/generic-vnfs/generic-vnf/{vnf-id}")
     Call<ResponseBody> getVNFsDetail(@Path("vnf-id") String vnfId);
 
-    @Headers({
-            "X-TransactionId: 7777",
-            "X-FromAppId: uui",
-            "Authorization: Basic QUFJOkFBSQ==",
-            "Accept: application/json"
-    })
-
     @GET("/aai/v19/network/unis/uni/{uni-id}")
     Call<ResponseBody> getUNIInfo(@Path("uni-id") String uniId);
 }
 
 import org.onap.usecaseui.server.service.lcm.domain.aai.bean.AAINetworkInterfaceResponse;
 
 import org.onap.usecaseui.server.service.lcm.domain.aai.exceptions.AAIException;
-import org.onap.usecaseui.server.util.RestfulServices;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.springframework.context.annotation.EnableAspectJAutoProxy;
 import org.springframework.stereotype.Service;
 
 import com.alibaba.fastjson.JSONObject;
 import java.util.ArrayList;
 
 import jakarta.servlet.http.HttpServletRequest;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
 
+@Slf4j
 @Service("CustomerService")
-@org.springframework.context.annotation.Configuration
-@EnableAspectJAutoProxy
+@RequiredArgsConstructor
 public class DefaultCustomerService implements CustomerService {
 
-    private static final Logger logger = LoggerFactory.getLogger(DefaultCustomerService.class);
-
-    private AAIService aaiService;
-
-    public DefaultCustomerService() {
-        this(RestfulServices.create(AAIService.class));
-    }
-
-    public DefaultCustomerService(AAIService aaiService) {
-        this.aaiService = aaiService;
-    }
+    private final AAIService aaiService;
 
     @Override
     public List<AAICustomer> listCustomer() {
             if (response.isSuccessful()) {
                 return response.body().getCustomer();
             } else {
-                logger.info(String.format("Can not get customers[code=%s, message=%s]", response.code(), response.message()));
+                log.info(String.format("Can not get customers[code=%s, message=%s]", response.code(), response.message()));
                 return Collections.emptyList();
             }
         } catch (IOException e) {
-            logger.error("list customers occur exception");
+            log.error("list customers occur exception");
             throw new AAIException("AAI is not available.", e);
         }
     }
-    
+
     @Override
     public JSONObject createOrUpdateCustomer(HttpServletRequest request,String customerId){
                JSONObject result = new JSONObject();
                try {
-                       logger.info("aai createOrUpdateCustomer is starting!");
+                       log.info("aai createOrUpdateCustomer is starting!");
                        RequestBody requestBody = extractBody(request);
                        Response<ResponseBody> response = this.aaiService.createOrUpdateCustomer(customerId,requestBody).execute();
-                       logger.info("aai createOrUpdateCustomer is finished!");
+                       log.info("aai createOrUpdateCustomer is finished!");
                        if(response.isSuccessful()){
                                result.put("status", "SUCCESS");
                        }else{
                }
                return result;
     }
-    
+
     @Override
     public JSONObject getCustomerById(String customerId){
                JSONObject result = new JSONObject();
                try {
-                       logger.info("aai getCustomerById is starting!");
+                       log.info("aai getCustomerById is starting!");
                        Response<AAICustomer> response = this.aaiService.getCustomerById(customerId).execute();
-                       logger.info("aai getCustomerById is finished!");
+                       log.info("aai getCustomerById is finished!");
                        if(response.isSuccessful()){
                                result.put("status", "SUCCESS");
                                result.put("result",response.body());
                }
                return result;
     }
-    
+
     @Override
     public JSONObject deleteCustomer(String customerId,String resourceVersion){
                JSONObject result = new JSONObject();
                try {
-                       logger.info("aai deleteCustomer is starting!");
+                       log.info("aai deleteCustomer is starting!");
                        Response<ResponseBody> response = this.aaiService.deleteCustomer(customerId,resourceVersion).execute();
-                       logger.info("aai deleteCustomer is finished!");
+                       log.info("aai deleteCustomer is finished!");
                        if(response.isSuccessful()){
                                result.put("status", "SUCCESS");
                        }else{
                }
                return result;
     }
-    
+
     @Override
     public List<AAIServiceSubscription> listServiceSubscriptions(String serviceType) {
         try {
             if (response.isSuccessful()) {
                 return response.body().getServiceSubscriptions();
             } else {
-                logger.info(String.format("Can not get service-subscriptions[code=%s, message=%s]", response.code(), response.message()));
+                log.info(String.format("Can not get service-subscriptions[code=%s, message=%s]", response.code(), response.message()));
                 return Collections.emptyList();
             }
         } catch (IOException e) {
-            logger.error("list customers occur exception");
+            log.error("list customers occur exception");
             throw new AAIException("AAI is not available.", e);
         }
     }
-    
+
     @Override
     public JSONObject createOrUpdateServiceType(HttpServletRequest request,String serviceType,String customerId){
                JSONObject result = new JSONObject();
                try {
-                       logger.info("aai createOrUpdateServiceType is starting!");
+                       log.info("aai createOrUpdateServiceType is starting!");
                        RequestBody requestBody = extractBody(request);
                        Response<ResponseBody> response = this.aaiService.createOrUpdateServiceType(customerId,serviceType,requestBody).execute();
-                       logger.info("aai createOrUpdateServiceType is finished!");
+                       log.info("aai createOrUpdateServiceType is finished!");
                        if(response.isSuccessful()){
                                result.put("status", "SUCCESS");
                        }else{
                }
                return result;
     }
-    
+
     @Override
     public JSONObject deleteServiceType(String customerId,String serviceType,String resourceVersion){
                JSONObject result = new JSONObject();
                try {
-                       logger.info("aai deleteServiceType is starting!");
+                       log.info("aai deleteServiceType is starting!");
                        Response<ResponseBody> response = this.aaiService.deleteServiceType(customerId,serviceType,resourceVersion).execute();
-                       logger.info("aai deleteServiceType is finished!");
+                       log.info("aai deleteServiceType is finished!");
                        if(response.isSuccessful()){
                                result.put("status", "SUCCESS");
                        }else{
                }
                return result;
     }
-    
+
     @Override
     public JSONObject getServiceTypeById(String customerId, String serviceType) {
         JSONObject result = new JSONObject();
         try {
-            logger.info("aai getServiceTypeById is starting!");
+            log.info("aai getServiceTypeById is starting!");
             Response<AAIServiceSubscription> response =
                     this.aaiService.getServiceTypeById(customerId, serviceType).execute();
-            logger.info("aai getServiceTypeById is finished!");
+            log.info("aai getServiceTypeById is finished!");
             if (response.isSuccessful()) {
                 result.put("status", "SUCCESS");
                 result.put("result", response.body());
         }
         return result;
     }
-        
+
         @Override
     public List<String> fetchNIList(String networkInterfaceType) {
         List<String> niList = new ArrayList<String>();
         ObjectMapper mapper = new ObjectMapper();
         Results[] interfaceList = null;
         try {
-            logger.info("aai fetchNIList is starting!");
+            log.info("aai fetchNIList is starting!");
             String body = "{\r\n" + "\"start\" : [\"network\"],\r\n" + "\"query\" : \"query/getInterfaceTypes?porttype="
                     + networkInterfaceType + "\"\r\n" + "}";
-            logger.info("request body {} for Interface type {}" , body,networkInterfaceType);
+            log.info("request body {} for Interface type {}" , body,networkInterfaceType);
             RequestBody request = RequestBody.create(MediaType.parse("application/json"), body);
             Response<ResponseBody> response = this.aaiService.querynNetworkResourceList(request).execute();
             if (response.isSuccessful()) {
                 String jsonResponse = response.body().string();
-                logger.info("response json returned {}", jsonResponse);
+                log.info("response json returned {}", jsonResponse);
                 try {
                     niResponse = mapper.readValue(jsonResponse, AAINetworkInterfaceResponse.class);
                 } catch (IOException ex) {
-                    logger.info("read value exception", ex);
+                    log.info("read value exception", ex);
                 }
                 if (niResponse != null) {
                     interfaceList = niResponse.getResults();
                     niList.add(pInterface.getInterfaceName() + " (" + pInterface.getPortDescription() + ")");
                 }
             } else {
-                logger.error("Request to AAI Fails dues to {} " , response.errorBody());
+                log.error("Request to AAI Fails dues to {} " , response.errorBody());
                 throw new IOException(response.errorBody().toString());
             }
         } catch (Exception e) {
             niResponse = null;
-            logger.info("Request to AAI Fails dues to " + e);
-            logger.info("Mocking Response Data");
+            log.info("Request to AAI Fails dues to " + e);
+            log.info("Mocking Response Data");
 
             String jsonMock = "{\r\n" + "    \"results\": [\r\n" + "        {\r\n"
                     + "            \"p-interface\": {\r\n"
             try {
                 niResponse = mapper.readValue(jsonMock, AAINetworkInterfaceResponse.class);
             } catch (IOException ex) {
-                logger.info("ReadValue exception", ex);
+                log.info("ReadValue exception", ex);
             }
 
             if (niResponse != null) {
                 PInterface pInterface = result.getPinterface();
                 niList.add(pInterface.getInterfaceName());
             }
-        
+
        }
        Collections.sort(niList);
         return niList;