Get API Application registration to single method and fix generateApplicationKeys method

components/apimgt-extensions/io.entgra.device.mgt.core.apimgt.application.extension/src/main/java/io/entgra/device/mgt/core/apimgt/application/extension/APIManagementProviderServiceImpl.java

@@ -21,8 +21,10 @@ package io.entgra.device.mgt.core.apimgt.application.extension;
 import io.entgra.device.mgt.core.apimgt.extension.rest.api.APIApplicationServices;
 import io.entgra.device.mgt.core.apimgt.extension.rest.api.ConsumerRESTAPIServices;
 import io.entgra.device.mgt.core.apimgt.extension.rest.api.bean.APIMConsumer.APIInfo;
+import io.entgra.device.mgt.core.apimgt.extension.rest.api.bean.APIMConsumer.ApplicationKey;
 import io.entgra.device.mgt.core.apimgt.extension.rest.api.bean.APIMConsumer.Subscription;
 import io.entgra.device.mgt.core.apimgt.extension.rest.api.dto.APIApplicationKey;
+import io.entgra.device.mgt.core.apimgt.extension.rest.api.dto.ApiApplicationInfo;
 import io.entgra.device.mgt.core.apimgt.extension.rest.api.exceptions.APIServicesException;
 import io.entgra.device.mgt.core.apimgt.extension.rest.api.exceptions.BadRequestException;
 import io.entgra.device.mgt.core.apimgt.extension.rest.api.exceptions.UnexpectedResponseException;
@@ -111,21 +113,10 @@ public class APIManagementProviderServiceImpl implements APIManagementProviderSe
         ConsumerRESTAPIServices consumerRESTAPIServices =
                 APIApplicationManagerExtensionDataHolder.getInstance().getConsumerRESTAPIServices();
 
-        APIApplicationKey apiApplicationKey;
+        ApiApplicationInfo applicationInfo = applicationInfo(apiApplicationServices, username, password);
-        io.entgra.device.mgt.core.apimgt.extension.rest.api.dto.AccessTokenInfo accessTokenInfo;
-        try {
-            apiApplicationKey = apiApplicationServices.generateAndRetrieveApplicationKeys(username, password);
-            accessTokenInfo = apiApplicationServices.generateAccessTokenFromRegisteredApplication(
-                    apiApplicationKey.getClientId(), apiApplicationKey.getClientSecret());
-        } catch (APIServicesException e) {
-            String errorMsg = "Error occurred while generating the API application";
-            log.error(errorMsg, e);
-            throw new APIManagerException(errorMsg, e);
-        }
-
         try {
             io.entgra.device.mgt.core.apimgt.extension.rest.api.bean.APIMConsumer.Application[] applications =
-                    consumerRESTAPIServices.getAllApplications(apiApplicationKey, accessTokenInfo, applicationName);
+                    consumerRESTAPIServices.getAllApplications(applicationInfo, applicationName);
             io.entgra.device.mgt.core.apimgt.extension.rest.api.bean.APIMConsumer.Application application = null;
 
             List<APIInfo> uniqueApiList = new ArrayList<>();
@@ -140,7 +131,7 @@ public class APIManagementProviderServiceImpl implements APIManagementProviderSe
                 if (!"carbon.super".equals(tenantDomain)) {
                     headerParams.put("X-WSO2-Tenant", "carbon.super");
                 }
-                apiInfos = consumerRESTAPIServices.getAllApis(apiApplicationKey, accessTokenInfo, queryParams, headerParams);
+                apiInfos = consumerRESTAPIServices.getAllApis(applicationInfo, queryParams, headerParams);
 
                 uniqueApiList.addAll(List.of(apiInfos));
                 Set<APIInfo> taggedAPISet = new HashSet<>(uniqueApiList);
@@ -151,7 +142,7 @@ public class APIManagementProviderServiceImpl implements APIManagementProviderSe
             if (applications.length == 0) {
                 application = new io.entgra.device.mgt.core.apimgt.extension.rest.api.bean.APIMConsumer.Application();
                 application.setName(applicationName);
-                application = consumerRESTAPIServices.createApplication(apiApplicationKey, accessTokenInfo, application);
+                application = consumerRESTAPIServices.createApplication(applicationInfo, application);
 
                 List<Subscription> subscriptions = new ArrayList<>();
                 for (APIInfo apiInfo : uniqueApiList) {
@@ -160,14 +151,13 @@ public class APIManagementProviderServiceImpl implements APIManagementProviderSe
                     subscription.setApplicationId(application.getApplicationId());
                     subscriptions.add(subscription);
                 }
-                consumerRESTAPIServices.createSubscriptions(apiApplicationKey, accessTokenInfo, subscriptions);
+                consumerRESTAPIServices.createSubscriptions(applicationInfo, subscriptions);
             } else {
                 if (applications.length == 1) {
                     Optional<io.entgra.device.mgt.core.apimgt.extension.rest.api.bean.APIMConsumer.Application> applicationOpt =
                             Arrays.stream(applications).findFirst();
                     application = applicationOpt.get();
-                    Subscription[] subscriptions = consumerRESTAPIServices.getAllSubscriptions(apiApplicationKey, accessTokenInfo,
+                    Subscription[] subscriptions = consumerRESTAPIServices.getAllSubscriptions(applicationInfo, application.getApplicationId());
-                            application.getApplicationId());
                     for (Subscription subscription : subscriptions) {
                         if (uniqueApiList.contains(subscription.getApiInfo())) {
                             uniqueApiList.remove(subscription.getApiInfo());
@@ -184,7 +174,7 @@ public class APIManagementProviderServiceImpl implements APIManagementProviderSe
                         subscription.setApplicationId(application.getApplicationId());
                         subscriptionList.add(subscription);
                     }
-                    consumerRESTAPIServices.createSubscriptions(apiApplicationKey, accessTokenInfo, subscriptionList);
+                    consumerRESTAPIServices.createSubscriptions(applicationInfo, subscriptionList);
                 } else {
                     String msg = "Found more than one application for application name: " + applicationName;
                     log.error(msg);
@@ -199,9 +189,7 @@ public class APIManagementProviderServiceImpl implements APIManagementProviderSe
                 } else{
                     //todo this method has to br modified and return different object, this is not mapped with the
                     // response.
-                    io.entgra.device.mgt.core.apimgt.extension.rest.api.bean.APIMConsumer.APIKey apiKey =
+                    ApplicationKey applicationKey = consumerRESTAPIServices.generateApplicationKeys(applicationInfo, application);
-                            consumerRESTAPIServices.generateApplicationKeys(apiApplicationKey, accessTokenInfo,
-                            application.getApplicationId());
                     return null;
                 }
             } else{
@@ -560,4 +548,32 @@ Otherwise, Generate Application Keys and return them
         }
         return info;
     }
+
+    private ApiApplicationInfo applicationInfo(APIApplicationServices apiApplicationServices, String username, String password)
+            throws APIManagerException {
+
+        APIApplicationKey apiApplicationKey;
+        io.entgra.device.mgt.core.apimgt.extension.rest.api.dto.AccessTokenInfo accessTokenInfo;
+        try {
+            if (username == null && password == null) {
+                apiApplicationKey = apiApplicationServices.createAndRetrieveApplicationCredentials();
+            } else {
+                apiApplicationKey = apiApplicationServices.generateAndRetrieveApplicationKeys(username, password);
+            }
+            accessTokenInfo = apiApplicationServices.generateAccessTokenFromRegisteredApplication(
+                    apiApplicationKey.getClientId(), apiApplicationKey.getClientSecret());
+        } catch (APIServicesException e) {
+            String errorMsg = "Error occurred while generating the API application";
+            log.error(errorMsg, e);
+            throw new APIManagerException(errorMsg, e);
+        }
+
+        ApiApplicationInfo applicationInfo = null;
+        applicationInfo.setClientId(apiApplicationKey.getClientId());
+        applicationInfo.setClientSecret(apiApplicationKey.getClientSecret());
+        applicationInfo.setAccess_token(accessTokenInfo.getAccess_token());
+        applicationInfo.setRefresh_token(accessTokenInfo.getRefresh_token());
+
+        return applicationInfo;
+    }
 }

components/apimgt-extensions/io.entgra.device.mgt.core.apimgt.extension.rest.api/src/main/java/io/entgra/device/mgt/core/apimgt/extension/rest/api/ConsumerRESTAPIServices.java

@@ -18,13 +18,8 @@
 
 package io.entgra.device.mgt.core.apimgt.extension.rest.api;
 
-import io.entgra.device.mgt.core.apimgt.extension.rest.api.bean.APIMConsumer.APIInfo;
+import io.entgra.device.mgt.core.apimgt.extension.rest.api.bean.APIMConsumer.*;
-import io.entgra.device.mgt.core.apimgt.extension.rest.api.bean.APIMConsumer.APIKey;
+import io.entgra.device.mgt.core.apimgt.extension.rest.api.dto.ApiApplicationInfo;
-import io.entgra.device.mgt.core.apimgt.extension.rest.api.bean.APIMConsumer.Application;
-import io.entgra.device.mgt.core.apimgt.extension.rest.api.bean.APIMConsumer.Subscription;
-import io.entgra.device.mgt.core.apimgt.extension.rest.api.bean.APIMConsumer.KeyManager;
-import io.entgra.device.mgt.core.apimgt.extension.rest.api.dto.APIApplicationKey;
-import io.entgra.device.mgt.core.apimgt.extension.rest.api.dto.AccessTokenInfo;
 import io.entgra.device.mgt.core.apimgt.extension.rest.api.exceptions.APIServicesException;
 import io.entgra.device.mgt.core.apimgt.extension.rest.api.exceptions.BadRequestException;
 import io.entgra.device.mgt.core.apimgt.extension.rest.api.exceptions.UnexpectedResponseException;
@@ -33,37 +28,30 @@ import java.util.List;
 import java.util.Map;
 
 public interface ConsumerRESTAPIServices {
-    Application[] getAllApplications(APIApplicationKey apiApplicationKey, AccessTokenInfo accessTokenInfo, String appName)
+    Application[] getAllApplications(ApiApplicationInfo applicationInfo, String appName)
             throws APIServicesException, BadRequestException, UnexpectedResponseException;
 
-    Application getDetailsOfAnApplication(APIApplicationKey apiApplicationKey, AccessTokenInfo accessTokenInfo,
+    Application getDetailsOfAnApplication(ApiApplicationInfo applicationInfo, String applicationId)
-                                          String applicationId)
             throws APIServicesException, BadRequestException, UnexpectedResponseException;
 
-    Application createApplication(APIApplicationKey apiApplicationKey, AccessTokenInfo accessTokenInfo,
+    Application createApplication(ApiApplicationInfo applicationInfo, Application application)
-                                  Application application)
             throws APIServicesException, BadRequestException, UnexpectedResponseException;
 
-    Subscription[] getAllSubscriptions(APIApplicationKey apiApplicationKey, AccessTokenInfo accessTokenInfo,
+    Subscription[] getAllSubscriptions(ApiApplicationInfo apiApplicationInfo, String applicationId)
-                                       String applicationId)
             throws APIServicesException, BadRequestException, UnexpectedResponseException;
 
-    APIInfo[] getAllApis(APIApplicationKey apiApplicationKey, AccessTokenInfo accessTokenInfo,
+    APIInfo[] getAllApis(ApiApplicationInfo applicationInfo, Map<String, String> queryParam, Map<String, String> headerParams)
-                         Map<String, String> queryParam, Map<String, String> headerParams)
             throws APIServicesException, BadRequestException, UnexpectedResponseException;
 
-    Subscription createSubscription(APIApplicationKey apiApplicationKey, AccessTokenInfo accessTokenInfo,
+    Subscription createSubscription(ApiApplicationInfo apiApplicationInfo, Subscription subscriptions)
-                                    Subscription subscriptions)
             throws APIServicesException, BadRequestException, UnexpectedResponseException;
 
-    Subscription[] createSubscriptions(APIApplicationKey apiApplicationKey, AccessTokenInfo accessTokenInfo,
+    Subscription[] createSubscriptions(ApiApplicationInfo apiApplicationInfo, List<Subscription> subscriptions)
-                                       List<Subscription> subscriptions)
             throws APIServicesException, BadRequestException, UnexpectedResponseException;
 
-    APIKey generateApplicationKeys(APIApplicationKey apiApplicationKey, AccessTokenInfo accessTokenInfo,
+    ApplicationKey generateApplicationKeys(ApiApplicationInfo applicationInfo, Application application)
-                                   String applicationId)
             throws APIServicesException, BadRequestException, UnexpectedResponseException;
 
-    KeyManager[] getAllKeyManagers(APIApplicationKey apiApplicationKey, AccessTokenInfo accessTokenInfo)
+    KeyManager[] getAllKeyManagers(ApiApplicationInfo apiApplicationInfo)
             throws APIServicesException, BadRequestException, UnexpectedResponseException;
 }

components/apimgt-extensions/io.entgra.device.mgt.core.apimgt.extension.rest.api/src/main/java/io/entgra/device/mgt/core/apimgt/extension/rest/api/ConsumerRESTAPIServicesImpl.java

@@ -19,14 +19,10 @@
 package io.entgra.device.mgt.core.apimgt.extension.rest.api;
 
 import com.google.gson.Gson;
-import io.entgra.device.mgt.core.apimgt.extension.rest.api.bean.APIMConsumer.APIInfo;
+import io.entgra.device.mgt.core.apimgt.extension.rest.api.bean.APIMConsumer.*;
-import io.entgra.device.mgt.core.apimgt.extension.rest.api.bean.APIMConsumer.APIKey;
-import io.entgra.device.mgt.core.apimgt.extension.rest.api.bean.APIMConsumer.Application;
-import io.entgra.device.mgt.core.apimgt.extension.rest.api.bean.APIMConsumer.Subscription;
-import io.entgra.device.mgt.core.apimgt.extension.rest.api.bean.APIMConsumer.KeyManager;
 import io.entgra.device.mgt.core.apimgt.extension.rest.api.constants.Constants;
-import io.entgra.device.mgt.core.apimgt.extension.rest.api.dto.APIApplicationKey;
 import io.entgra.device.mgt.core.apimgt.extension.rest.api.dto.AccessTokenInfo;
+import io.entgra.device.mgt.core.apimgt.extension.rest.api.dto.ApiApplicationInfo;
 import io.entgra.device.mgt.core.apimgt.extension.rest.api.exceptions.APIServicesException;
 import io.entgra.device.mgt.core.apimgt.extension.rest.api.exceptions.BadRequestException;
 import io.entgra.device.mgt.core.apimgt.extension.rest.api.exceptions.UnexpectedResponseException;
@@ -54,14 +50,14 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
             + Constants.COLON + port;
 
     @Override
-    public Application[] getAllApplications(APIApplicationKey apiApplicationKey, AccessTokenInfo accessTokenInfo, String appName)
+    public Application[] getAllApplications(ApiApplicationInfo applicationInfo, String appName)
             throws APIServicesException, BadRequestException, UnexpectedResponseException {
 
         String getAllApplicationsUrl = endPointPrefix + Constants.APPLICATIONS_API + "?query=" + appName;
         Request request = new Request.Builder()
                 .url(getAllApplicationsUrl)
                 .addHeader(Constants.AUTHORIZATION_HEADER_NAME, Constants.AUTHORIZATION_HEADER_PREFIX_BEARER
-                        + accessTokenInfo.getAccess_token())
+                        + applicationInfo.getAccess_token())
                 .get()
                 .build();
 
@@ -73,10 +69,11 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
             } else if (HttpStatus.SC_UNAUTHORIZED == response.code()) {
                 APIApplicationServices apiApplicationServices = new APIApplicationServicesImpl();
                 AccessTokenInfo refreshedAccessToken = apiApplicationServices.
-                        generateAccessTokenFromRefreshToken(accessTokenInfo.getRefresh_token(),
+                        generateAccessTokenFromRefreshToken(applicationInfo.getRefresh_token(),
-                                apiApplicationKey.getClientId(), apiApplicationKey.getClientSecret());
+                                applicationInfo.getClientId(), applicationInfo.getClientSecret());
+                ApiApplicationInfo refreshedApiApplicationInfo = returnApplicationInfo(applicationInfo, refreshedAccessToken);
                 //TODO: max attempt count
-                return getAllApplications(apiApplicationKey, refreshedAccessToken, appName);
+                return getAllApplications(refreshedApiApplicationInfo, appName);
             } else if (HttpStatus.SC_BAD_REQUEST == response.code()) {
                 String msg = "Bad Request, Invalid request";
                 log.error(msg);
@@ -93,15 +90,14 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
     }
 
     @Override
-    public Application getDetailsOfAnApplication(APIApplicationKey apiApplicationKey, AccessTokenInfo accessTokenInfo,
+    public Application getDetailsOfAnApplication(ApiApplicationInfo apiApplicationInfo, String applicationId)
-                                                 String applicationId)
             throws APIServicesException, BadRequestException, UnexpectedResponseException {
 
         String getAllApplicationsUrl = endPointPrefix + Constants.APPLICATIONS_API + Constants.SLASH + applicationId;
         Request request = new Request.Builder()
                 .url(getAllApplicationsUrl)
                 .addHeader(Constants.AUTHORIZATION_HEADER_NAME, Constants.AUTHORIZATION_HEADER_PREFIX_BEARER
-                        + accessTokenInfo.getAccess_token())
+                        + apiApplicationInfo.getAccess_token())
                 .get()
                 .build();
 
@@ -112,10 +108,11 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
             } else if (HttpStatus.SC_UNAUTHORIZED == response.code()) {
                 APIApplicationServices apiApplicationServices = new APIApplicationServicesImpl();
                 AccessTokenInfo refreshedAccessToken = apiApplicationServices.
-                        generateAccessTokenFromRefreshToken(accessTokenInfo.getRefresh_token(),
+                        generateAccessTokenFromRefreshToken(apiApplicationInfo.getRefresh_token(),
-                                apiApplicationKey.getClientId(), apiApplicationKey.getClientSecret());
+                                apiApplicationInfo.getClientId(), apiApplicationInfo.getClientSecret());
+                ApiApplicationInfo refreshedApiApplicationInfo = returnApplicationInfo(apiApplicationInfo, refreshedAccessToken);
                 //TODO: max attempt count
-                return getDetailsOfAnApplication(apiApplicationKey, refreshedAccessToken, applicationId);
+                return getDetailsOfAnApplication(refreshedApiApplicationInfo, applicationId);
             } else if (HttpStatus.SC_BAD_REQUEST == response.code()) {
                 String msg = "Bad Request, Invalid request";
                 log.error(msg);
@@ -132,8 +129,7 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
     }
 
     @Override
-    public Application createApplication(APIApplicationKey apiApplicationKey, AccessTokenInfo accessTokenInfo,
+    public Application createApplication(ApiApplicationInfo apiApplicationInfo, Application application)
-                                         Application application)
             throws APIServicesException, BadRequestException, UnexpectedResponseException {
 
         String getAllScopesUrl = endPointPrefix + Constants.APPLICATIONS_API;
@@ -152,7 +148,7 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
         Request request = new Request.Builder()
                 .url(getAllScopesUrl)
                 .addHeader(Constants.AUTHORIZATION_HEADER_NAME, Constants.AUTHORIZATION_HEADER_PREFIX_BEARER
-                        + accessTokenInfo.getAccess_token())
+                        + apiApplicationInfo.getAccess_token())
                 .post(requestBody)
                 .build();
 
@@ -163,10 +159,11 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
             } else if (HttpStatus.SC_UNAUTHORIZED == response.code()) {
                 APIApplicationServices apiApplicationServices = new APIApplicationServicesImpl();
                 AccessTokenInfo refreshedAccessToken = apiApplicationServices.
-                        generateAccessTokenFromRefreshToken(accessTokenInfo.getRefresh_token(),
+                        generateAccessTokenFromRefreshToken(apiApplicationInfo.getRefresh_token(),
-                                apiApplicationKey.getClientId(), apiApplicationKey.getClientSecret());
+                                apiApplicationInfo.getClientId(), apiApplicationInfo.getClientSecret());
+                ApiApplicationInfo refreshedApiApplicationInfo = returnApplicationInfo(apiApplicationInfo, refreshedAccessToken);
                 //TODO: max attempt count
-                return createApplication(apiApplicationKey, refreshedAccessToken, application);
+                return createApplication(refreshedApiApplicationInfo, application);
             } else if (HttpStatus.SC_BAD_REQUEST == response.code()) {
                 String msg = "Bad Request, Invalid request body";
                 log.error(msg);
@@ -183,15 +180,14 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
     }
 
     @Override
-    public Subscription[] getAllSubscriptions(APIApplicationKey apiApplicationKey, AccessTokenInfo accessTokenInfo,
+    public Subscription[] getAllSubscriptions(ApiApplicationInfo apiApplicationInfo, String applicationId)
-                                              String applicationId)
             throws APIServicesException, BadRequestException, UnexpectedResponseException {
 
         String getAllScopesUrl = endPointPrefix + Constants.SUBSCRIPTION_API + "?applicationId=" + applicationId;
         Request request = new Request.Builder()
                 .url(getAllScopesUrl)
                 .addHeader(Constants.AUTHORIZATION_HEADER_NAME, Constants.AUTHORIZATION_HEADER_PREFIX_BEARER
-                        + accessTokenInfo.getAccess_token())
+                        + apiApplicationInfo.getAccess_token())
                 .get()
                 .build();
 
@@ -203,10 +199,11 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
             } else if (HttpStatus.SC_UNAUTHORIZED == response.code()) {
                 APIApplicationServices apiApplicationServices = new APIApplicationServicesImpl();
                 AccessTokenInfo refreshedAccessToken = apiApplicationServices.
-                        generateAccessTokenFromRefreshToken(accessTokenInfo.getRefresh_token(),
+                        generateAccessTokenFromRefreshToken(apiApplicationInfo.getRefresh_token(),
-                                apiApplicationKey.getClientId(), apiApplicationKey.getClientSecret());
+                                apiApplicationInfo.getClientId(), apiApplicationInfo.getClientSecret());
+                ApiApplicationInfo rehreshedApiApplicationInfo = returnApplicationInfo(apiApplicationInfo, refreshedAccessToken);
                 //TODO: max attempt count
-                return getAllSubscriptions(apiApplicationKey, refreshedAccessToken, applicationId);
+                return getAllSubscriptions(rehreshedApiApplicationInfo, applicationId);
             } else if (HttpStatus.SC_BAD_REQUEST == response.code()) {
                 String msg = "Bad Request, Invalid request";
                 log.error(msg);
@@ -223,8 +220,8 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
     }
 
     @Override
-    public APIInfo[] getAllApis(APIApplicationKey apiApplicationKey, AccessTokenInfo accessTokenInfo,
+    public APIInfo[] getAllApis(ApiApplicationInfo applicationInfo, Map<String, String> queryParams,
-                                Map<String, String> queryParams, Map<String, String> headerParams)
+                                Map<String, String> headerParams)
             throws APIServicesException, BadRequestException, UnexpectedResponseException {
 
         String getAPIsURL = endPointPrefix + Constants.DEV_PORTAL_API;
@@ -236,7 +233,7 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
         Request.Builder builder = new Request.Builder();
         builder.url(getAPIsURL);
         builder.addHeader(Constants.AUTHORIZATION_HEADER_NAME, Constants.AUTHORIZATION_HEADER_PREFIX_BEARER
-                + accessTokenInfo.getAccess_token());
+                + applicationInfo.getAccess_token());
         for (Map.Entry<String, String> header : headerParams.entrySet()) {
             builder.addHeader(header.getKey(), header.getValue());
         }
@@ -251,10 +248,11 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
             } else if (HttpStatus.SC_UNAUTHORIZED == response.code()) {
                 APIApplicationServices apiApplicationServices = new APIApplicationServicesImpl();
                 AccessTokenInfo refreshedAccessToken = apiApplicationServices.
-                        generateAccessTokenFromRefreshToken(accessTokenInfo.getRefresh_token(),
+                        generateAccessTokenFromRefreshToken(applicationInfo.getRefresh_token(),
-                                apiApplicationKey.getClientId(), apiApplicationKey.getClientSecret());
+                                applicationInfo.getClientId(), applicationInfo.getClientSecret());
+                ApiApplicationInfo rehreshedApiApplicationInfo = returnApplicationInfo(applicationInfo, refreshedAccessToken);
                 //TODO: max attempt count
-                return getAllApis(apiApplicationKey, refreshedAccessToken, queryParams, headerParams);
+                return getAllApis(rehreshedApiApplicationInfo, queryParams, headerParams);
             } else if (HttpStatus.SC_BAD_REQUEST == response.code()) {
                 String msg = "Bad Request, Invalid request";
                 log.error(msg);
@@ -271,8 +269,7 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
     }
 
     @Override
-    public Subscription createSubscription(APIApplicationKey apiApplicationKey, AccessTokenInfo accessTokenInfo,
+    public Subscription createSubscription(ApiApplicationInfo applicationInfo, Subscription subscriptions)
-                                           Subscription subscriptions)
             throws APIServicesException, BadRequestException, UnexpectedResponseException {
 
         String getAllScopesUrl = endPointPrefix + Constants.SUBSCRIPTION_API;
@@ -288,7 +285,7 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
         Request request = new Request.Builder()
                 .url(getAllScopesUrl)
                 .addHeader(Constants.AUTHORIZATION_HEADER_NAME, Constants.AUTHORIZATION_HEADER_PREFIX_BEARER
-                        + accessTokenInfo.getAccess_token())
+                        + applicationInfo.getAccess_token())
                 .post(requestBody)
                 .build();
 
@@ -299,10 +296,11 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
             } else if (HttpStatus.SC_UNAUTHORIZED == response.code()) {
                 APIApplicationServices apiApplicationServices = new APIApplicationServicesImpl();
                 AccessTokenInfo refreshedAccessToken = apiApplicationServices.
-                        generateAccessTokenFromRefreshToken(accessTokenInfo.getRefresh_token(),
+                        generateAccessTokenFromRefreshToken(applicationInfo.getRefresh_token(),
-                                apiApplicationKey.getClientId(), apiApplicationKey.getClientSecret());
+                                applicationInfo.getClientId(), applicationInfo.getClientSecret());
+                ApiApplicationInfo refreshedApiApplicationInfo = returnApplicationInfo(applicationInfo, refreshedAccessToken);
                 //TODO: max attempt count
-                return createSubscription(apiApplicationKey, refreshedAccessToken, subscriptions);
+                return createSubscription(refreshedApiApplicationInfo, subscriptions);
             } else if (HttpStatus.SC_BAD_REQUEST == response.code()) {
                 String msg = "Bad Request, Invalid request body";
                 log.error(msg);
@@ -319,8 +317,7 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
     }
 
     @Override
-    public Subscription[] createSubscriptions(APIApplicationKey apiApplicationKey, AccessTokenInfo accessTokenInfo,
+    public Subscription[] createSubscriptions(ApiApplicationInfo apiApplicationInfo, List<Subscription> subscriptions)
-                                              List<Subscription> subscriptions)
             throws APIServicesException, BadRequestException, UnexpectedResponseException {
 
         String getAllScopesUrl = endPointPrefix + Constants.SUBSCRIPTION_API + "/multiple";
@@ -331,7 +328,7 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
         Request request = new Request.Builder()
                 .url(getAllScopesUrl)
                 .addHeader(Constants.AUTHORIZATION_HEADER_NAME, Constants.AUTHORIZATION_HEADER_PREFIX_BEARER
-                        + accessTokenInfo.getAccess_token())
+                        + apiApplicationInfo.getAccess_token())
                 .post(requestBody)
                 .build();
 
@@ -343,10 +340,11 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
             } else if (HttpStatus.SC_UNAUTHORIZED == response.code()) {
                 APIApplicationServices apiApplicationServices = new APIApplicationServicesImpl();
                 AccessTokenInfo refreshedAccessToken = apiApplicationServices.
-                        generateAccessTokenFromRefreshToken(accessTokenInfo.getRefresh_token(),
+                        generateAccessTokenFromRefreshToken(apiApplicationInfo.getRefresh_token(),
-                                apiApplicationKey.getClientId(), apiApplicationKey.getClientSecret());
+                                apiApplicationInfo.getClientId(), apiApplicationInfo.getClientSecret());
+                ApiApplicationInfo refreshedApiApplicationInfo = returnApplicationInfo(apiApplicationInfo, refreshedAccessToken);
                 //TODO: max attempt count
-                return createSubscriptions(apiApplicationKey, refreshedAccessToken, subscriptions);
+                return createSubscriptions(refreshedApiApplicationInfo, subscriptions);
             } else if (HttpStatus.SC_BAD_REQUEST == response.code()) {
                 String msg = "Bad Request, Invalid request body";
                 log.error(msg);
@@ -363,15 +361,25 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
     }
 
     @Override
-    public APIKey generateApplicationKeys(APIApplicationKey apiApplicationKey, AccessTokenInfo accessTokenInfo,
+    public ApplicationKey generateApplicationKeys(ApiApplicationInfo apiApplicationInfo, Application application)
-                                          String applicationId)
             throws APIServicesException, BadRequestException, UnexpectedResponseException {
 
-        String getAllScopesUrl = endPointPrefix + Constants.SUBSCRIPTION_API + Constants.SLASH + applicationId +
+        String getAllScopesUrl = endPointPrefix + Constants.SUBSCRIPTION_API + Constants.SLASH +
-                "/generate-keys";
+                application.getApplicationId() + "/generate-keys";
 
         String keyInfo = "{\n" +
-                "  \"validityPeriod\": 3600,\n" +
+                "  \"keyType\": \"PRODUCTION\",\n" +
+                "  \"keyManager\": \"Resident Key Manager\",\n" +
+                "  \"grantTypesToBeSupported\": [\n" +
+                "    \"password\",\n" +
+                "    \"client_credentials\"\n" +
+                "  ],\n" +
+                "  \"callbackUrl\": \"http://sample.com/callback/url\",\n" +
+                "  \"scopes\": [\n" +
+                "    \"am_application_scope\",\n" +
+                "    \"default\"\n" +
+                "  ],\n" +
+                "  \"validityTime\": 3600,\n" +
                 "  \"additionalProperties\": {}\n" +
                 "}";
 
@@ -379,21 +387,22 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
         Request request = new Request.Builder()
                 .url(getAllScopesUrl)
                 .addHeader(Constants.AUTHORIZATION_HEADER_NAME, Constants.AUTHORIZATION_HEADER_PREFIX_BEARER
-                        + accessTokenInfo.getAccess_token())
+                        + apiApplicationInfo.getAccess_token())
                 .post(requestBody)
                 .build();
 
         try {
             Response response = client.newCall(request).execute();
             if (HttpStatus.SC_OK == response.code()) {
-                return gson.fromJson(response.body().string(), APIKey.class);
+                return gson.fromJson(response.body().string(), ApplicationKey.class);
             } else if (HttpStatus.SC_UNAUTHORIZED == response.code()) {
                 APIApplicationServices apiApplicationServices = new APIApplicationServicesImpl();
                 AccessTokenInfo refreshedAccessToken = apiApplicationServices.
-                        generateAccessTokenFromRefreshToken(accessTokenInfo.getRefresh_token(),
+                        generateAccessTokenFromRefreshToken(apiApplicationInfo.getRefresh_token(),
-                                apiApplicationKey.getClientId(), apiApplicationKey.getClientSecret());
+                                apiApplicationInfo.getClientId(), apiApplicationInfo.getClientSecret());
+                ApiApplicationInfo refreshedApiApplicationKey = returnApplicationInfo(apiApplicationInfo, refreshedAccessToken);
                 //TODO: max attempt count
-                return generateApplicationKeys(apiApplicationKey, refreshedAccessToken, applicationId);
+                return generateApplicationKeys(refreshedApiApplicationKey, application);
             } else if (HttpStatus.SC_BAD_REQUEST == response.code()) {
                 String msg = "Bad Request, Invalid request body";
                 log.error(msg);
@@ -410,14 +419,14 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
     }
 
     @Override
-    public KeyManager[] getAllKeyManagers(APIApplicationKey apiApplicationKey, AccessTokenInfo accessTokenInfo)
+    public KeyManager[] getAllKeyManagers(ApiApplicationInfo apiApplicationInfo)
             throws APIServicesException, BadRequestException, UnexpectedResponseException {
 
         String getAllKeyManagersUrl = endPointPrefix + Constants.KEY_MANAGERS_API;
         Request request = new Request.Builder()
                 .url(getAllKeyManagersUrl)
                 .addHeader(Constants.AUTHORIZATION_HEADER_NAME, Constants.AUTHORIZATION_HEADER_PREFIX_BEARER
-                        + accessTokenInfo.getAccess_token())
+                        + apiApplicationInfo.getAccess_token())
                 .get()
                 .build();
 
@@ -429,10 +438,11 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
             } else if (HttpStatus.SC_UNAUTHORIZED == response.code()) {
                 APIApplicationServices apiApplicationServices = new APIApplicationServicesImpl();
                 AccessTokenInfo refreshedAccessToken = apiApplicationServices.
-                        generateAccessTokenFromRefreshToken(accessTokenInfo.getRefresh_token(),
+                        generateAccessTokenFromRefreshToken(apiApplicationInfo.getRefresh_token(),
-                                apiApplicationKey.getClientId(), apiApplicationKey.getClientSecret());
+                                apiApplicationInfo.getClientId(), apiApplicationInfo.getClientSecret());
+                ApiApplicationInfo refreshedApiApplicationInfo = returnApplicationInfo(apiApplicationInfo, refreshedAccessToken);
                 //TODO: max attempt count
-                return getAllKeyManagers(apiApplicationKey, refreshedAccessToken);
+                return getAllKeyManagers(refreshedApiApplicationInfo);
             } else if (HttpStatus.SC_BAD_REQUEST == response.code()) {
                 String msg = "Bad Request, Invalid request";
                 log.error(msg);
@@ -447,4 +457,15 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
             throw new APIServicesException(msg, e);
         }
     }
+
+    private ApiApplicationInfo returnApplicationInfo(ApiApplicationInfo refreshedApplicationInfo, AccessTokenInfo refreshedToken) {
+
+        ApiApplicationInfo applicationInfo = null;
+        applicationInfo.setClientId(refreshedApplicationInfo.getClientId());
+        applicationInfo.setClientSecret(refreshedApplicationInfo.getClientSecret());
+        applicationInfo.setAccess_token(refreshedToken.getAccess_token());
+        applicationInfo.setRefresh_token(refreshedToken.getRefresh_token());
+
+        return applicationInfo;
+    }
 }

components/apimgt-extensions/io.entgra.device.mgt.core.apimgt.extension.rest.api/src/main/java/io/entgra/device/mgt/core/apimgt/extension/rest/api/bean/APIMConsumer/ApplicationKey.java

@@ -0,0 +1,138 @@
+/*
+ * Copyright (c) 2018 - 2023, Entgra (Pvt) Ltd. (http://www.entgra.io) All Rights Reserved.
+ *
+ * Entgra (Pvt) Ltd. licenses this file to you 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 io.entgra.device.mgt.core.apimgt.extension.rest.api.bean.APIMConsumer;
+
+import org.json.JSONObject;
+
+import java.util.List;
+
+/**
+ * This class represents the Consumer Application key Information.
+ */
+public class ApplicationKey {
+
+    private String keyMappingId;
+    private String keyManager;
+    private String consumerKey;
+    private String consumerSecret;
+    private List<String> supportedGrantTypes;
+    private String callbackUrl;
+    private String keyState;
+    private String keyType;
+    private String mode;
+    private String groupId;
+    private JSONObject token;
+    private JSONObject additionalProperties;
+
+    public String getKeyMappingId() {
+        return keyMappingId;
+    }
+
+    public void setKeyMappingId(String keyMappingId) {
+        this.keyMappingId = keyMappingId;
+    }
+
+    public String getKeyManager() {
+        return keyManager;
+    }
+
+    public void setKeyManager(String keyManager) {
+        this.keyManager = keyManager;
+    }
+
+    public String getConsumerKey() {
+        return consumerKey;
+    }
+
+    public void setConsumerKey(String consumerKey) {
+        this.consumerKey = consumerKey;
+    }
+
+    public String getConsumerSecret() {
+        return consumerSecret;
+    }
+
+    public void setConsumerSecret(String consumerSecret) {
+        this.consumerSecret = consumerSecret;
+    }
+
+    public List<String> getSupportedGrantTypes() {
+        return supportedGrantTypes;
+    }
+
+    public void setSupportedGrantTypes(List<String> supportedGrantTypes) {
+        this.supportedGrantTypes = supportedGrantTypes;
+    }
+
+    public String getCallbackUrl() {
+        return callbackUrl;
+    }
+
+    public void setCallbackUrl(String callbackUrl) {
+        this.callbackUrl = callbackUrl;
+    }
+
+    public String getKeyState() {
+        return keyState;
+    }
+
+    public void setKeyState(String keyState) {
+        this.keyState = keyState;
+    }
+
+    public String getKeyType() {
+        return keyType;
+    }
+
+    public void setKeyType(String keyType) {
+        this.keyType = keyType;
+    }
+
+    public String getMode() {
+        return mode;
+    }
+
+    public void setMode(String mode) {
+        this.mode = mode;
+    }
+
+    public String getGroupId() {
+        return groupId;
+    }
+
+    public void setGroupId(String groupId) {
+        this.groupId = groupId;
+    }
+
+    public JSONObject getToken() {
+        return token;
+    }
+
+    public void setToken(JSONObject token) {
+        this.token = token;
+    }
+
+    public JSONObject getAdditionalProperties() {
+        return additionalProperties;
+    }
+
+    public void setAdditionalProperties(JSONObject additionalProperties) {
+        this.additionalProperties = additionalProperties;
+    }
+}

components/apimgt-extensions/io.entgra.device.mgt.core.apimgt.extension.rest.api/src/main/java/io/entgra/device/mgt/core/apimgt/extension/rest/api/dto/ApiApplicationInfo.java

@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2018 - 2023, Entgra (Pvt) Ltd. (http://www.entgra.io) All Rights Reserved.
+ *
+ * Entgra (Pvt) Ltd. licenses this file to you 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 io.entgra.device.mgt.core.apimgt.extension.rest.api.dto;
+
+/**
+ * This holds the API application client information and token information.
+ */
+public class ApiApplicationInfo {
+    private String clientId;
+    private String clientSecret;
+    private String refresh_token;
+    private String access_token;
+
+    public String getClientId() {
+        return clientId;
+    }
+
+    public void setClientId(String clientId) {
+        this.clientId = clientId;
+    }
+
+    public String getClientSecret() {
+        return clientSecret;
+    }
+
+    public void setClientSecret(String clientSecret) {
+        this.clientSecret = clientSecret;
+    }
+
+    public String getRefresh_token() {
+        return refresh_token;
+    }
+
+    public void setRefresh_token(String refresh_token) {
+        this.refresh_token = refresh_token;
+    }
+
+    public String getAccess_token() {
+        return access_token;
+    }
+
+    public void setAccess_token(String access_token) {
+        this.access_token = access_token;
+    }
+}