Improvements in App registration flow

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

@@ -26,7 +26,6 @@ import io.entgra.device.mgt.core.apimgt.extension.rest.api.bean.APIMConsumer.API
 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.KeyManager;
 import io.entgra.device.mgt.core.apimgt.extension.rest.api.bean.APIMConsumer.Subscription;
-import io.entgra.device.mgt.core.apimgt.extension.rest.api.dto.TokenInfo;
 import io.entgra.device.mgt.core.device.mgt.common.exceptions.MetadataKeyAlreadyExistsException;
 import io.entgra.device.mgt.core.device.mgt.common.exceptions.MetadataManagementException;
 import io.entgra.device.mgt.core.device.mgt.common.metadata.mgt.Metadata;
@@ -96,12 +95,11 @@ public class APIManagementProviderServiceImpl implements APIManagementProviderSe
                                                                              boolean isMappingRequired)
             throws APIManagerException {
 
-        TokenInfo tokenInfo = new TokenInfo();
+        ApiApplicationInfo apiApplicationInfo = new ApiApplicationInfo();
         if (StringUtils.isEmpty(accessToken)) {
-            ApiApplicationInfo applicationInfo = getApplicationInfo(username, password);
+            apiApplicationInfo = getApplicationInfo(username, password);
-            tokenInfo.setApiApplicationInfo(applicationInfo);
         } else {
-            tokenInfo.setAccessToken(accessToken);
+            apiApplicationInfo.setAccess_token(accessToken);
         }
 
         ConsumerRESTAPIServices consumerRESTAPIServices =
@@ -118,16 +116,16 @@ public class APIManagementProviderServiceImpl implements APIManagementProviderSe
                 Map<String, String> queryParams = new HashMap<>();
                 queryParams.put("tag", tag);
 
-                APIInfo[] apiInfos = consumerRESTAPIServices.getAllApis(tokenInfo, queryParams, headerParams);
+                APIInfo[] apiInfos = consumerRESTAPIServices.getAllApis(apiApplicationInfo, queryParams, headerParams);
                 Arrays.stream(apiInfos).forEach(apiInfo -> uniqueApiSet.putIfAbsent(apiInfo.getName(), apiInfo));
             }
 
             List<APIInfo> uniqueApiList = new ArrayList<>(uniqueApiSet.values());
 
             io.entgra.device.mgt.core.apimgt.extension.rest.api.bean.APIMConsumer.Application[] applications =
-                    consumerRESTAPIServices.getAllApplications(tokenInfo, applicationName);
+                    consumerRESTAPIServices.getAllApplications(apiApplicationInfo, applicationName);
             if (applications.length == 0) {
-                return handleNewAPIApplication(applicationName, uniqueApiList, tokenInfo, keyType,
+                return handleNewAPIApplication(applicationName, uniqueApiList, apiApplicationInfo, keyType,
                         validityTime, supportedGrantTypes, callbackUrl, isMappingRequired);
             } else {
                 if (applications.length == 1) {
@@ -140,17 +138,17 @@ public class APIManagementProviderServiceImpl implements APIManagementProviderSe
                     Metadata metaData = metadataManagementService.retrieveMetadata(applicationName);
                     if (metaData == null) {
                         // Todo add a comment
-                        consumerRESTAPIServices.deleteApplication(tokenInfo, application.getApplicationId());
+                        consumerRESTAPIServices.deleteApplication(apiApplicationInfo, application.getApplicationId());
-                        return handleNewAPIApplication(applicationName, uniqueApiList, tokenInfo, keyType,
+                        return handleNewAPIApplication(applicationName, uniqueApiList, apiApplicationInfo, keyType,
                                 validityTime, supportedGrantTypes, callbackUrl, isMappingRequired);
                     } else {
-                        Subscription[] subscriptions = consumerRESTAPIServices.getAllSubscriptions(tokenInfo, application.getApplicationId());
+                        Subscription[] subscriptions = consumerRESTAPIServices.getAllSubscriptions(apiApplicationInfo, application.getApplicationId());
                         for (Subscription subscription : subscriptions) {
                             uniqueApiList.removeIf(apiInfo -> Objects.equals(apiInfo.getId(), subscription.getApiInfo().getId()));
                         }
 
                         if (!uniqueApiList.isEmpty()) {
-                            addSubscriptions(application, uniqueApiList, tokenInfo);
+                            addSubscriptions(application, uniqueApiList, apiApplicationInfo);
                         }
 
                         String[] metaValues = metaData.getMetaValue().split(":");
@@ -162,7 +160,7 @@ public class APIManagementProviderServiceImpl implements APIManagementProviderSe
                         }
                         String applicationId = metaValues[0];
                         String keyMappingId = metaValues[1];
-                        ApplicationKey applicationKey = consumerRESTAPIServices.getKeyDetails(tokenInfo, applicationId, keyMappingId);
+                        ApplicationKey applicationKey = consumerRESTAPIServices.getKeyDetails(apiApplicationInfo, applicationId, keyMappingId);
                         ApiApplicationKey apiApplicationKey = new ApiApplicationKey();
                         apiApplicationKey.setConsumerKey(applicationKey.getConsumerKey());
                         apiApplicationKey.setConsumerSecret(applicationKey.getConsumerSecret());
@@ -195,7 +193,7 @@ public class APIManagementProviderServiceImpl implements APIManagementProviderSe
 
 
     private ApiApplicationKey handleNewAPIApplication(String applicationName, List<APIInfo> uniqueApiList,
-                                                      TokenInfo tokenInfo, String keyType, String validityTime,
+                                                      ApiApplicationInfo apiApplicationInfo, String keyType, String validityTime,
                                                       ArrayList<String> supportedGrantTypes, String callbackUrl,
                                                       boolean isMappingRequired) throws APIManagerException {
         ConsumerRESTAPIServices consumerRESTAPIServices =
@@ -205,10 +203,10 @@ public class APIManagementProviderServiceImpl implements APIManagementProviderSe
         application.setThrottlingPolicy(UNLIMITED_TIER);
 
         try {
-            application = consumerRESTAPIServices.createApplication(tokenInfo, application);
+            application = consumerRESTAPIServices.createApplication(apiApplicationInfo, application);
-            addSubscriptions(application, uniqueApiList, tokenInfo);
+            addSubscriptions(application, uniqueApiList, apiApplicationInfo);
 
-            KeyManager[] keyManagers = consumerRESTAPIServices.getAllKeyManagers(tokenInfo);
+            KeyManager[] keyManagers = consumerRESTAPIServices.getAllKeyManagers(apiApplicationInfo);
             KeyManager keyManager;
             if (keyManagers.length == 1) {
                 keyManager = keyManagers[0];
@@ -219,21 +217,29 @@ public class APIManagementProviderServiceImpl implements APIManagementProviderSe
                 throw new APIManagerException(msg);
             }
 
-            tokenInfo.setApiApplicationInfo(getApplicationInfo(null, null));
             ApplicationKey applicationKey;
 
-
             if (isMappingRequired) {
-                // If we need to get opaque token instead of the JWT token, we have to do the mapping. Therefore,, if
+                // If we need to get opaque token instead of the JWT token, we have to do the mapping. Therefore, if
                 // it is a requirement then we have to call the method with enabling the flag.
-                applicationKey = consumerRESTAPIServices.mapApplicationKeys(tokenInfo, application,
+                APIApplicationServices apiApplicationServices = APIApplicationManagerExtensionDataHolder.getInstance()
+                        .getApiApplicationServices();
+
+                APIApplicationKey apiApplicationKey = apiApplicationServices.createAndRetrieveApplicationCredentials(
+                        "ClientForMapping",
+                        "client_credentials password refresh_token urn:ietf:params:oauth:grant-type:jwt-bearer");
+
+                apiApplicationInfo.setClientId(apiApplicationKey.getClientId());
+                apiApplicationInfo.setClientSecret(apiApplicationKey.getClientSecret());
+
+                applicationKey = consumerRESTAPIServices.mapApplicationKeys(apiApplicationInfo, application,
                         keyManager.getName(), keyType);
             } else {
-                applicationKey = consumerRESTAPIServices.generateApplicationKeys(tokenInfo, application.getApplicationId(),
+                applicationKey = consumerRESTAPIServices.generateApplicationKeys(apiApplicationInfo, application.getApplicationId(),
                         keyManager.getName(), validityTime, keyType);
             }
             if (supportedGrantTypes != null || StringUtils.isNotEmpty(callbackUrl)) {
-                applicationKey = consumerRESTAPIServices.updateGrantType(tokenInfo, application.getApplicationId(),
+                applicationKey = consumerRESTAPIServices.updateGrantType(apiApplicationInfo, application.getApplicationId(),
                         applicationKey.getKeyMappingId(), keyManager.getName(), supportedGrantTypes, callbackUrl);
             }
 
@@ -279,14 +285,14 @@ public class APIManagementProviderServiceImpl implements APIManagementProviderSe
      *
      * @param application        {@link io.entgra.device.mgt.core.apimgt.extension.rest.api.bean.APIMConsumer.Application}
      * @param apiInfos           {@link List<APIInfo>}
-     * @param tokenInfo   {@link TokenInfo}
+     * @param apiApplicationInfo {@link ApiApplicationInfo}
      * @throws BadRequestException         if incorrect data provided to call subscribing REST API.
      * @throws UnexpectedResponseException if error occurred while processing the subscribing REST API.
      * @throws APIServicesException        if error occurred while invoking the subscribing REST API.
      */
     private void addSubscriptions(
             io.entgra.device.mgt.core.apimgt.extension.rest.api.bean.APIMConsumer.Application application,
-            List<APIInfo> apiInfos, TokenInfo tokenInfo)
+            List<APIInfo> apiInfos, ApiApplicationInfo apiApplicationInfo)
             throws BadRequestException, UnexpectedResponseException, APIServicesException {
 
         ConsumerRESTAPIServices consumerRESTAPIServices =
@@ -302,7 +308,7 @@ public class APIManagementProviderServiceImpl implements APIManagementProviderSe
             subscriptionList.add(subscription);
         });
 
-        consumerRESTAPIServices.createSubscriptions(tokenInfo, subscriptionList);
+        consumerRESTAPIServices.createSubscriptions(apiApplicationInfo, subscriptionList);
     }
 
     @Override
@@ -407,7 +413,7 @@ public class APIManagementProviderServiceImpl implements APIManagementProviderSe
                         "ClientForConsumerRestCalls",
                         "client_credentials password refresh_token urn:ietf:params:oauth:grant-type:jwt-bearer");
             } else {
-                apiApplicationKey = apiApplicationServices.generateAndRetrieveApplicationKeys(
+                apiApplicationKey = apiApplicationServices.createAndRetrieveApplicationCredentialsWithUser(
                         "ClientForConsumerRestCalls",
                         username, password,
                         "client_credentials password refresh_token urn:ietf:params:oauth:grant-type:jwt-bearer");

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

@@ -27,7 +27,7 @@ public interface APIApplicationServices {
     APIApplicationKey createAndRetrieveApplicationCredentials(String clientName, String grantType)
             throws APIServicesException;
 
-    APIApplicationKey generateAndRetrieveApplicationKeys(String clientName, String username, String password, String grantType)
+    APIApplicationKey createAndRetrieveApplicationCredentialsWithUser(String clientName, String username, String password, String grantType)
             throws APIServicesException;
 
     AccessTokenInfo generateAccessTokenFromRegisteredApplication(String clientId, String clientSecret) throws APIServicesException;

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

@@ -75,7 +75,7 @@ public class APIApplicationServicesImpl implements APIApplicationServices {
     }
 
     @Override
-    public APIApplicationKey generateAndRetrieveApplicationKeys(String clientName, String username, String password, String grantType)
+    public APIApplicationKey createAndRetrieveApplicationCredentialsWithUser(String clientName, String username, String password, String grantType)
             throws APIServicesException {
 
         String applicationEndpoint = config.getFirstProperty(Constants.DCR_END_POINT);

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

@@ -19,7 +19,7 @@
 package io.entgra.device.mgt.core.apimgt.extension.rest.api;
 
 import io.entgra.device.mgt.core.apimgt.extension.rest.api.bean.APIMConsumer.*;
-import io.entgra.device.mgt.core.apimgt.extension.rest.api.dto.TokenInfo;
+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;
@@ -28,43 +28,45 @@ import java.util.List;
 import java.util.Map;
 
 public interface ConsumerRESTAPIServices {
-    Application[] getAllApplications(TokenInfo tokenInfo, String appName)
+
+    Application[] getAllApplications(ApiApplicationInfo apiApplicationInfo, String appName)
             throws APIServicesException, BadRequestException, UnexpectedResponseException;
 
-    Application getDetailsOfAnApplication(TokenInfo tokenInfo, String applicationId)
+    Application getDetailsOfAnApplication(ApiApplicationInfo apiApplicationInfo, String applicationId)
             throws APIServicesException, BadRequestException, UnexpectedResponseException;
 
-    Application createApplication(TokenInfo tokenInfo, Application application)
+    Application createApplication(ApiApplicationInfo apiApplicationInfo, Application application)
             throws APIServicesException, BadRequestException, UnexpectedResponseException;
 
-    Boolean deleteApplication(TokenInfo tokenInfo, String applicationId)
+    Boolean deleteApplication(ApiApplicationInfo apiApplicationInfo, String applicationId)
             throws APIServicesException, BadRequestException, UnexpectedResponseException;
 
-    Subscription[] getAllSubscriptions(TokenInfo tokenInfo, String applicationId)
+    Subscription[] getAllSubscriptions(ApiApplicationInfo apiApplicationInfo, String applicationId)
             throws APIServicesException, BadRequestException, UnexpectedResponseException;
 
-    APIInfo[] getAllApis(TokenInfo tokenInfo, Map<String, String> queryParams, Map<String, String> headerParams)
+    APIInfo[] getAllApis(ApiApplicationInfo apiApplicationInfo, Map<String, String> queryParams, Map<String, String> headerParams)
             throws APIServicesException, BadRequestException, UnexpectedResponseException;
 
-    Subscription createSubscription(TokenInfo tokenInfo, Subscription subscriptions)
+    Subscription createSubscription(ApiApplicationInfo apiApplicationInfo, Subscription subscriptions)
             throws APIServicesException, BadRequestException, UnexpectedResponseException;
 
-    Subscription[] createSubscriptions(TokenInfo tokenInfo, List<Subscription> subscriptions)
+    Subscription[] createSubscriptions(ApiApplicationInfo apiApplicationInfo, List<Subscription> subscriptions)
             throws APIServicesException, BadRequestException, UnexpectedResponseException;
 
-    ApplicationKey generateApplicationKeys(TokenInfo tokenInfo, String applicationId, String keyManager, String validityTime, String keyType)
+    ApplicationKey generateApplicationKeys(ApiApplicationInfo apiApplicationInfo, String applicationId, String keyManager,
+                                           String validityTime, String keyType)
             throws APIServicesException, BadRequestException, UnexpectedResponseException;
 
-    ApplicationKey mapApplicationKeys(TokenInfo tokenInfo, Application application, String keyManager, String keyType)
+    ApplicationKey mapApplicationKeys(ApiApplicationInfo apiApplicationInfo, Application application, String keyManager, String keyType)
             throws APIServicesException, BadRequestException, UnexpectedResponseException;
 
-    ApplicationKey getKeyDetails(TokenInfo tokenInfo, String applicationId, String keyMapId)
+    ApplicationKey getKeyDetails(ApiApplicationInfo apiApplicationInfo, String applicationId, String keyMapId)
             throws APIServicesException, BadRequestException, UnexpectedResponseException;
 
-    ApplicationKey updateGrantType(TokenInfo tokenInfo, String applicationId, String keyMapId, String keyManager,
+    ApplicationKey updateGrantType(ApiApplicationInfo apiApplicationInfo, String applicationId, String keyMapId, String keyManager,
                                    List<String> supportedGrantTypes, String callbackUrl)
             throws APIServicesException, BadRequestException, UnexpectedResponseException;
 
-    KeyManager[] getAllKeyManagers(TokenInfo tokenInfo)
+    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

@@ -23,7 +23,6 @@ import io.entgra.device.mgt.core.apimgt.extension.rest.api.bean.APIMConsumer.*;
 import io.entgra.device.mgt.core.apimgt.extension.rest.api.constants.Constants;
 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.dto.TokenInfo;
 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;
@@ -51,22 +50,15 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
             + Constants.COLON + port;
 
     @Override
-    public Application[] getAllApplications(TokenInfo tokenInfo, String appName)
+    public Application[] getAllApplications(ApiApplicationInfo apiApplicationInfo, String appName)
             throws APIServicesException, BadRequestException, UnexpectedResponseException {
 
-        ApiApplicationInfo apiApplicationInfo = tokenInfo.getApiApplicationInfo();
-        boolean token = isTokenNull(apiApplicationInfo, tokenInfo.getAccessToken());
         String getAllApplicationsUrl = endPointPrefix + Constants.APPLICATIONS_API + "?query=" + appName;
 
         Request.Builder builder = new Request.Builder();
         builder.url(getAllApplicationsUrl);
-        if (!token) {
         builder.addHeader(Constants.AUTHORIZATION_HEADER_NAME, Constants.AUTHORIZATION_HEADER_PREFIX_BEARER
                 + apiApplicationInfo.getAccess_token());
-        } else {
-            builder.addHeader(Constants.AUTHORIZATION_HEADER_NAME, Constants.AUTHORIZATION_HEADER_PREFIX_BEARER
-                    + tokenInfo.getAccessToken());
-        }
         builder.get();
         Request request = builder.build();
 
@@ -76,21 +68,13 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
                 JSONArray applicationList = (JSONArray) new JSONObject(response.body().string()).get("list");
                 return gson.fromJson(applicationList.toString(), Application[].class);
             } else if (HttpStatus.SC_UNAUTHORIZED == response.code()) {
-                if (!token) {
                 APIApplicationServices apiApplicationServices = new APIApplicationServicesImpl();
                 AccessTokenInfo refreshedAccessToken = apiApplicationServices.
                         generateAccessTokenFromRefreshToken(apiApplicationInfo.getRefresh_token(),
                                 apiApplicationInfo.getClientId(), apiApplicationInfo.getClientSecret());
                 ApiApplicationInfo refreshedApiApplicationInfo = returnApplicationInfo(apiApplicationInfo, refreshedAccessToken);
+                return getAllApplications(refreshedApiApplicationInfo, appName);
                 //TODO: max attempt count
-                    tokenInfo.setApiApplicationInfo(refreshedApiApplicationInfo);
-                    tokenInfo.setAccessToken(null);
-                    return getAllApplications(tokenInfo, appName);
-                } else {
-                    String msg = "Invalid access token. Unauthorized request";
-                    log.error(msg);
-                    throw new APIServicesException(msg);
-                }
             } else if (HttpStatus.SC_BAD_REQUEST == response.code()) {
                 String msg = "Bad Request, Invalid request";
                 log.error(msg);
@@ -107,22 +91,15 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
     }
 
     @Override
-    public Application getDetailsOfAnApplication(TokenInfo tokenInfo, String applicationId)
+    public Application getDetailsOfAnApplication(ApiApplicationInfo apiApplicationInfo, String applicationId)
             throws APIServicesException, BadRequestException, UnexpectedResponseException {
 
-        ApiApplicationInfo apiApplicationInfo = tokenInfo.getApiApplicationInfo();
-        boolean token = isTokenNull(apiApplicationInfo, tokenInfo.getAccessToken());
         String getDetailsOfAPPUrl = endPointPrefix + Constants.APPLICATIONS_API + Constants.SLASH + applicationId;
 
         Request.Builder builder = new Request.Builder();
         builder.url(getDetailsOfAPPUrl);
-        if (!token) {
         builder.addHeader(Constants.AUTHORIZATION_HEADER_NAME, Constants.AUTHORIZATION_HEADER_PREFIX_BEARER
                 + apiApplicationInfo.getAccess_token());
-        } else {
-            builder.addHeader(Constants.AUTHORIZATION_HEADER_NAME, Constants.AUTHORIZATION_HEADER_PREFIX_BEARER
-                    + tokenInfo.getAccessToken());
-        }
         builder.get();
         Request request = builder.build();
 
@@ -131,22 +108,13 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
             if (HttpStatus.SC_OK == response.code()) {
                 return gson.fromJson(response.body().string(), Application.class);
             } else if (HttpStatus.SC_UNAUTHORIZED == response.code()) {
-                if (!token) {
                 APIApplicationServices apiApplicationServices = new APIApplicationServicesImpl();
                 AccessTokenInfo refreshedAccessToken = apiApplicationServices.
                         generateAccessTokenFromRefreshToken(apiApplicationInfo.getRefresh_token(),
                                 apiApplicationInfo.getClientId(), apiApplicationInfo.getClientSecret());
                 ApiApplicationInfo refreshedApiApplicationInfo = returnApplicationInfo(apiApplicationInfo, refreshedAccessToken);
+                return getDetailsOfAnApplication(refreshedApiApplicationInfo, applicationId);
                 //TODO: max attempt count
-                    TokenInfo refreshedTokenInfo = new TokenInfo();
-                    refreshedTokenInfo.setApiApplicationInfo(refreshedApiApplicationInfo);
-                    refreshedTokenInfo.setAccessToken(null);
-                    return getDetailsOfAnApplication(refreshedTokenInfo, applicationId);
-                } else {
-                    String msg = "Invalid access token. Unauthorized request";
-                    log.error(msg);
-                    throw new APIServicesException(msg);
-                }
             } else if (HttpStatus.SC_BAD_REQUEST == response.code()) {
                 String msg = "Bad Request, Invalid request";
                 log.error(msg);
@@ -163,33 +131,38 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
     }
 
     @Override
-    public Application createApplication(TokenInfo tokenInfo, Application application)
+    public Application createApplication(ApiApplicationInfo apiApplicationInfo, Application application)
             throws APIServicesException, BadRequestException, UnexpectedResponseException {
 
-        ApiApplicationInfo apiApplicationInfo = tokenInfo.getApiApplicationInfo();
-        boolean token = isTokenNull(apiApplicationInfo, tokenInfo.getAccessToken());
         String getAllScopesUrl = endPointPrefix + Constants.APPLICATIONS_API;
 
-        String applicationInfo = "{\n" +
+        JSONArray groups = new JSONArray();
-                "  \"name\": \"" + application.getName() + "\",\n" +
+        JSONArray subscriptionScope = new JSONArray();
-                "  \"throttlingPolicy\": \"" + application.getThrottlingPolicy() + "\",\n" +
+
-                "  \"description\": \"" + application.getDescription() + "\",\n" +
+        if (application.getGroups() != null && application.getSubscriptionScopes() != null) {
-                "  \"tokenType\": \"" + application.getTokenType() + "\",\n" +
+            for (String string : application.getGroups()) {
-                "  \"groups\": " + gson.toJson(application.getGroups()) + ",\n" +
+                groups.put(string);
-                "  \"attributes\": " + gson.toJson(application.getAttributes()) + ",\n" +
+            }
-                "  \"subscriptionScopes\": " + gson.toJson(application.getSubscriptionScopes()) + "\n" +
+            for (Scopes string : application.getSubscriptionScopes()) {
-                "}";
+                subscriptionScope.put(string);
-        RequestBody requestBody = RequestBody.create(JSON, applicationInfo);
+            }
+        }
+
+        JSONObject applicationInfo = new JSONObject();
+        applicationInfo.put("name", application.getName());
+        applicationInfo.put("throttlingPolicy", application.getThrottlingPolicy());
+        applicationInfo.put("description", application.getDescription());
+        applicationInfo.put("tokenType", application.getTokenType());
+        applicationInfo.put("groups", groups);
+        applicationInfo.put("attributes", new JSONObject());
+        applicationInfo.put("subscriptionScopes", subscriptionScope);
+
+        RequestBody requestBody = RequestBody.create(JSON, applicationInfo.toString());
 
         Request.Builder builder = new Request.Builder();
         builder.url(getAllScopesUrl);
-        if (!token) {
         builder.addHeader(Constants.AUTHORIZATION_HEADER_NAME, Constants.AUTHORIZATION_HEADER_PREFIX_BEARER
                 + apiApplicationInfo.getAccess_token());
-        } else {
-            builder.addHeader(Constants.AUTHORIZATION_HEADER_NAME, Constants.AUTHORIZATION_HEADER_PREFIX_BEARER
-                    + tokenInfo.getAccessToken());
-        }
         builder.post(requestBody);
         Request request = builder.build();
 
@@ -198,22 +171,13 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
             if (HttpStatus.SC_CREATED == response.code()) {
                 return gson.fromJson(response.body().string(), Application.class);
             } else if (HttpStatus.SC_UNAUTHORIZED == response.code()) {
-                if (!token) {
                 APIApplicationServices apiApplicationServices = new APIApplicationServicesImpl();
                 AccessTokenInfo refreshedAccessToken = apiApplicationServices.
                         generateAccessTokenFromRefreshToken(apiApplicationInfo.getRefresh_token(),
                                 apiApplicationInfo.getClientId(), apiApplicationInfo.getClientSecret());
                 ApiApplicationInfo refreshedApiApplicationInfo = returnApplicationInfo(apiApplicationInfo, refreshedAccessToken);
+                return createApplication(refreshedApiApplicationInfo, application);
                 //TODO: max attempt count
-                    TokenInfo refreshedTokenInfo = new TokenInfo();
-                    refreshedTokenInfo.setApiApplicationInfo(refreshedApiApplicationInfo);
-                    refreshedTokenInfo.setAccessToken(null);
-                    return createApplication(refreshedTokenInfo, application);
-                } else {
-                    String msg = "Invalid access token. Unauthorized request";
-                    log.error(msg);
-                    throw new APIServicesException(msg);
-                }
             } else if (HttpStatus.SC_BAD_REQUEST == response.code()) {
                 String msg = "Bad Request, Invalid request body";
                 log.error(msg);
@@ -230,22 +194,15 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
     }
 
     @Override
-    public Boolean deleteApplication(TokenInfo tokenInfo, String applicationId)
+    public Boolean deleteApplication(ApiApplicationInfo apiApplicationInfo, String applicationId)
             throws APIServicesException, BadRequestException, UnexpectedResponseException {
 
-        ApiApplicationInfo apiApplicationInfo = tokenInfo.getApiApplicationInfo();
-        boolean token = isTokenNull(apiApplicationInfo, tokenInfo.getAccessToken());
         String deleteScopesUrl = endPointPrefix + Constants.APPLICATIONS_API + Constants.SLASH + applicationId;
 
         Request.Builder builder = new Request.Builder();
         builder.url(deleteScopesUrl);
-        if (!token) {
         builder.addHeader(Constants.AUTHORIZATION_HEADER_NAME, Constants.AUTHORIZATION_HEADER_PREFIX_BEARER
                 + apiApplicationInfo.getAccess_token());
-        } else {
-            builder.addHeader(Constants.AUTHORIZATION_HEADER_NAME, Constants.AUTHORIZATION_HEADER_PREFIX_BEARER
-                    + tokenInfo.getAccessToken());
-        }
         builder.delete();
         Request request = builder.build();
 
@@ -254,22 +211,13 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
             if (HttpStatus.SC_OK == response.code()) {
                 return true;
             } else if (HttpStatus.SC_UNAUTHORIZED == response.code()) {
-                if (!token) {
                 APIApplicationServices apiApplicationServices = new APIApplicationServicesImpl();
                 AccessTokenInfo refreshedAccessToken = apiApplicationServices.
                         generateAccessTokenFromRefreshToken(apiApplicationInfo.getRefresh_token(),
                                 apiApplicationInfo.getClientId(), apiApplicationInfo.getClientSecret());
                 ApiApplicationInfo refreshedApiApplicationInfo = returnApplicationInfo(apiApplicationInfo, refreshedAccessToken);
+                return deleteApplication(refreshedApiApplicationInfo, applicationId);
                 //TODO: max attempt count
-                    TokenInfo refreshedTokenInfo = new TokenInfo();
-                    refreshedTokenInfo.setApiApplicationInfo(refreshedApiApplicationInfo);
-                    refreshedTokenInfo.setAccessToken(null);
-                    return deleteApplication(refreshedTokenInfo, applicationId);
-                } else {
-                    String msg = "Invalid access token. Unauthorized request";
-                    log.error(msg);
-                    throw new APIServicesException(msg);
-                }
             } else if (HttpStatus.SC_BAD_REQUEST == response.code()) {
                 String msg = "Bad Request, Invalid request body";
                 log.error(msg);
@@ -286,22 +234,15 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
     }
 
     @Override
-    public Subscription[] getAllSubscriptions(TokenInfo tokenInfo, String applicationId)
+    public Subscription[] getAllSubscriptions(ApiApplicationInfo apiApplicationInfo, String applicationId)
             throws APIServicesException, BadRequestException, UnexpectedResponseException {
 
-        ApiApplicationInfo apiApplicationInfo = tokenInfo.getApiApplicationInfo();
-        boolean token = isTokenNull(apiApplicationInfo, tokenInfo.getAccessToken());
         String getAllScopesUrl = endPointPrefix + Constants.SUBSCRIPTION_API + "?applicationId=" + applicationId + "&limit=1000";
 
         Request.Builder builder = new Request.Builder();
         builder.url(getAllScopesUrl);
-        if (!token) {
         builder.addHeader(Constants.AUTHORIZATION_HEADER_NAME, Constants.AUTHORIZATION_HEADER_PREFIX_BEARER
                 + apiApplicationInfo.getAccess_token());
-        } else {
-            builder.addHeader(Constants.AUTHORIZATION_HEADER_NAME, Constants.AUTHORIZATION_HEADER_PREFIX_BEARER
-                    + tokenInfo.getAccessToken());
-        }
         builder.get();
         Request request = builder.build();
 
@@ -311,22 +252,13 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
                 JSONArray subscriptionList = (JSONArray) new JSONObject(response.body().string()).get("list");
                 return gson.fromJson(subscriptionList.toString(), Subscription[].class);
             } else if (HttpStatus.SC_UNAUTHORIZED == response.code()) {
-                if (token) {
                 APIApplicationServices apiApplicationServices = new APIApplicationServicesImpl();
                 AccessTokenInfo refreshedAccessToken = apiApplicationServices.
                         generateAccessTokenFromRefreshToken(apiApplicationInfo.getRefresh_token(),
                                 apiApplicationInfo.getClientId(), apiApplicationInfo.getClientSecret());
                 ApiApplicationInfo refreshedApiApplicationInfo = returnApplicationInfo(apiApplicationInfo, refreshedAccessToken);
+                return getAllSubscriptions(refreshedApiApplicationInfo, applicationId);
                 //TODO: max attempt count
-                    TokenInfo refreshedTokenInfo = new TokenInfo();
-                    refreshedTokenInfo.setApiApplicationInfo(refreshedApiApplicationInfo);
-                    refreshedTokenInfo.setAccessToken(null);
-                    return getAllSubscriptions(refreshedTokenInfo, applicationId);
-                } else {
-                    String msg = "Invalid access token. Unauthorized request";
-                    log.error(msg);
-                    throw new APIServicesException(msg);
-                }
             } else if (HttpStatus.SC_BAD_REQUEST == response.code()) {
                 String msg = "Bad Request, Invalid request";
                 log.error(msg);
@@ -343,11 +275,9 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
     }
 
     @Override
-    public APIInfo[] getAllApis(TokenInfo tokenInfo, Map<String, String> queryParams, Map<String, String> headerParams)
+    public APIInfo[] getAllApis(ApiApplicationInfo apiApplicationInfo, Map<String, String> queryParams, Map<String, String> headerParams)
             throws APIServicesException, BadRequestException, UnexpectedResponseException {
 
-        ApiApplicationInfo apiApplicationInfo = tokenInfo.getApiApplicationInfo();
-        boolean token = isTokenNull(apiApplicationInfo, tokenInfo.getAccessToken());
         StringBuilder getAPIsURL = new StringBuilder(endPointPrefix + Constants.DEV_PORTAL_API);
 
         for (Map.Entry<String, String> query : queryParams.entrySet()) {
@@ -356,13 +286,9 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
 
         Request.Builder builder = new Request.Builder();
         builder.url(getAPIsURL.toString());
-        if (!token) {
         builder.addHeader(Constants.AUTHORIZATION_HEADER_NAME, Constants.AUTHORIZATION_HEADER_PREFIX_BEARER
                 + apiApplicationInfo.getAccess_token());
-        } else {
+
-            builder.addHeader(Constants.AUTHORIZATION_HEADER_NAME, Constants.AUTHORIZATION_HEADER_PREFIX_BEARER
-                    + tokenInfo.getAccessToken());
-        }
         for (Map.Entry<String, String> header : headerParams.entrySet()) {
             builder.addHeader(header.getKey(), header.getValue());
         }
@@ -375,22 +301,13 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
                 JSONArray apiList = (JSONArray) new JSONObject(response.body().string()).get("list");
                 return gson.fromJson(apiList.toString(), APIInfo[].class);
             } else if (HttpStatus.SC_UNAUTHORIZED == response.code()) {
-                if (!token) {
                 APIApplicationServices apiApplicationServices = new APIApplicationServicesImpl();
                 AccessTokenInfo refreshedAccessToken = apiApplicationServices.
                         generateAccessTokenFromRefreshToken(apiApplicationInfo.getRefresh_token(),
                                 apiApplicationInfo.getClientId(), apiApplicationInfo.getClientSecret());
                 ApiApplicationInfo refreshedApiApplicationInfo = returnApplicationInfo(apiApplicationInfo, refreshedAccessToken);
+                return getAllApis(refreshedApiApplicationInfo, queryParams, headerParams);
                 //TODO: max attempt count
-                    TokenInfo refreshedTokenInfo = new TokenInfo();
-                    refreshedTokenInfo.setApiApplicationInfo(refreshedApiApplicationInfo);
-                    refreshedTokenInfo.setAccessToken(null);
-                    return getAllApis(refreshedTokenInfo, queryParams, headerParams);
-                } else {
-                    String msg = "Invalid access token. Unauthorized request";
-                    log.error(msg);
-                    throw new APIServicesException(msg);
-                }
             } else if (HttpStatus.SC_BAD_REQUEST == response.code()) {
                 String msg = "Bad Request, Invalid request";
                 log.error(msg);
@@ -407,31 +324,24 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
     }
 
     @Override
-    public Subscription createSubscription(TokenInfo tokenInfo, Subscription subscriptions)
+    public Subscription createSubscription(ApiApplicationInfo apiApplicationInfo, Subscription subscriptions)
             throws APIServicesException, BadRequestException, UnexpectedResponseException {
 
-        ApiApplicationInfo apiApplicationInfo = tokenInfo.getApiApplicationInfo();
-        boolean token = isTokenNull(apiApplicationInfo, tokenInfo.getAccessToken());
         String createSubscriptionUrl = endPointPrefix + Constants.SUBSCRIPTION_API;
 
-        String subscriptionObject = "{\n" +
+        JSONObject subscriptionObject = new JSONObject();
-                "  \"applicationId\": \"" + subscriptions.getApplicationId() + "\",\n" +
+        subscriptionObject.put("applicationId", subscriptions.getApplicationId());
-                "  \"apiId\": \"" + subscriptions.getApiId() + "\",\n" +
+        subscriptionObject.put("apiId", subscriptions.getApiId());
-                "  \"throttlingPolicy\": \"" + subscriptions.getThrottlingPolicy() + "\",\n" +
+        subscriptionObject.put("throttlingPolicy", subscriptions.getThrottlingPolicy());
-                "  \"requestedThrottlingPolicy\": \"" + subscriptions.getRequestedThrottlingPolicy() + "\"\n" +
+        subscriptionObject.put("requestedThrottlingPolicy", subscriptions.getRequestedThrottlingPolicy());
-                "}";
 
-        RequestBody requestBody = RequestBody.create(JSON, subscriptionObject);
+        RequestBody requestBody = RequestBody.create(JSON, subscriptionObject.toString());
 
         Request.Builder builder = new Request.Builder();
         builder.url(createSubscriptionUrl);
-        if (!token) {
         builder.addHeader(Constants.AUTHORIZATION_HEADER_NAME, Constants.AUTHORIZATION_HEADER_PREFIX_BEARER
                 + apiApplicationInfo.getAccess_token());
-        } else {
+
-            builder.addHeader(Constants.AUTHORIZATION_HEADER_NAME, Constants.AUTHORIZATION_HEADER_PREFIX_BEARER
-                    + tokenInfo.getAccessToken());
-        }
         builder.post(requestBody);
         Request request = builder.build();
 
@@ -440,22 +350,13 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
             if (HttpStatus.SC_CREATED == response.code()) {
                 return gson.fromJson(response.body().string(), Subscription.class);
             } else if (HttpStatus.SC_UNAUTHORIZED == response.code()) {
-                if (!token) {
                 APIApplicationServices apiApplicationServices = new APIApplicationServicesImpl();
                 AccessTokenInfo refreshedAccessToken = apiApplicationServices.
                         generateAccessTokenFromRefreshToken(apiApplicationInfo.getRefresh_token(),
                                 apiApplicationInfo.getClientId(), apiApplicationInfo.getClientSecret());
                 ApiApplicationInfo refreshedApiApplicationInfo = returnApplicationInfo(apiApplicationInfo, refreshedAccessToken);
+                return createSubscription(refreshedApiApplicationInfo, subscriptions);
                 //TODO: max attempt count
-                    TokenInfo refreshedTokenInfo = new TokenInfo();
-                    refreshedTokenInfo.setApiApplicationInfo(refreshedApiApplicationInfo);
-                    refreshedTokenInfo.setAccessToken(null);
-                    return createSubscription(refreshedTokenInfo, subscriptions);
-                } else {
-                    String msg = "Invalid access token. Unauthorized request";
-                    log.error(msg);
-                    throw new APIServicesException(msg);
-                }
             } else if (HttpStatus.SC_BAD_REQUEST == response.code()) {
                 String msg = "Bad Request, Invalid request body";
                 log.error(msg);
@@ -472,11 +373,9 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
     }
 
     @Override
-    public Subscription[] createSubscriptions(TokenInfo tokenInfo, List<Subscription> subscriptions)
+    public Subscription[] createSubscriptions(ApiApplicationInfo apiApplicationInfo, List<Subscription> subscriptions)
             throws APIServicesException, BadRequestException, UnexpectedResponseException {
 
-        ApiApplicationInfo apiApplicationInfo = tokenInfo.getApiApplicationInfo();
-        boolean token = isTokenNull(apiApplicationInfo, tokenInfo.getAccessToken());
         String createSubscriptionsUrl = endPointPrefix + Constants.SUBSCRIPTION_API + "/multiple";
 
         String subscriptionsList = gson.toJson(subscriptions);
@@ -484,13 +383,9 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
 
         Request.Builder builder = new Request.Builder();
         builder.url(createSubscriptionsUrl);
-        if (!token) {
         builder.addHeader(Constants.AUTHORIZATION_HEADER_NAME, Constants.AUTHORIZATION_HEADER_PREFIX_BEARER
                 + apiApplicationInfo.getAccess_token());
-        } else {
+
-            builder.addHeader(Constants.AUTHORIZATION_HEADER_NAME, Constants.AUTHORIZATION_HEADER_PREFIX_BEARER
-                    + tokenInfo.getAccessToken());
-        }
         builder.post(requestBody);
         Request request = builder.build();
 
@@ -499,22 +394,12 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
             if (HttpStatus.SC_OK == response.code()) {
                 return gson.fromJson(response.body().string(), Subscription[].class);
             } else if (HttpStatus.SC_UNAUTHORIZED == response.code()) {
-                if (!token) {
                 APIApplicationServices apiApplicationServices = new APIApplicationServicesImpl();
                 AccessTokenInfo refreshedAccessToken = apiApplicationServices.
                         generateAccessTokenFromRefreshToken(apiApplicationInfo.getRefresh_token(),
                                 apiApplicationInfo.getClientId(), apiApplicationInfo.getClientSecret());
                 ApiApplicationInfo refreshedApiApplicationInfo = returnApplicationInfo(apiApplicationInfo, refreshedAccessToken);
-                    //TODO: max attempt count
+                return createSubscriptions(refreshedApiApplicationInfo, subscriptions);
-                    TokenInfo refreshedTokenInfo = new TokenInfo();
-                    refreshedTokenInfo.setApiApplicationInfo(refreshedApiApplicationInfo);
-                    refreshedTokenInfo.setAccessToken(null);
-                    return createSubscriptions(refreshedTokenInfo, subscriptions);
-                } else {
-                    String msg = "Invalid access token. Unauthorized request";
-                    log.error(msg);
-                    throw new APIServicesException(msg);
-                }
             } else if (HttpStatus.SC_BAD_REQUEST == response.code()) {
                 String msg = "Bad Request, Invalid request body";
                 log.error(msg);
@@ -531,42 +416,36 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
     }
 
     @Override
-    public ApplicationKey generateApplicationKeys(TokenInfo tokenInfo, String applicationId, String keyManager,
+    public ApplicationKey generateApplicationKeys(ApiApplicationInfo apiApplicationInfo, String applicationId, String keyManager,
                                                   String validityTime, String keyType)
             throws APIServicesException, BadRequestException, UnexpectedResponseException {
 
-        ApiApplicationInfo apiApplicationInfo = tokenInfo.getApiApplicationInfo();
-        boolean token = isTokenNull(apiApplicationInfo, tokenInfo.getAccessToken());
         String generateApplicationKeysUrl = endPointPrefix + Constants.APPLICATIONS_API + Constants.SLASH +
                 applicationId + "/generate-keys";
 
-        String keyInfo = "{\n" +
+        JSONArray grantTypesToBeSupported = new JSONArray();
-                "  \"keyType\": \"" + keyType + "\",\n" +
+        grantTypesToBeSupported.put("password");
-                "  \"keyManager\": \"" + keyManager + "\",\n" +
+        grantTypesToBeSupported.put("client_credentials");
-                "  \"grantTypesToBeSupported\": [\n" +
+
-                "    \"password\",\n" +
+        JSONArray scopes = new JSONArray();
-                "    \"client_credentials\"\n" +
+        scopes.put("am_application_scope");
-                "  ],\n" +
+        scopes.put("default");
-                "  \"callbackUrl\": \"\",\n" +
+
-                "  \"scopes\": [\n" +
+        JSONObject keyInfo = new JSONObject();
-                "    \"am_application_scope\",\n" +
+        keyInfo.put("keyType", keyType);
-                "    \"default\"\n" +
+        keyInfo.put("keyManager", keyManager);
-                "  ],\n" +
+        keyInfo.put("grantTypesToBeSupported", grantTypesToBeSupported);
-                "  \"validityTime\": " + validityTime + ",\n" +
+        keyInfo.put("callbackUrl", "");
-                "  \"additionalProperties\": {}\n" +
+        keyInfo.put("scopes", scopes);
-                "}";
+        keyInfo.put("validityTime", 3600);
-
+        keyInfo.put("additionalProperties", new JSONObject());
-        RequestBody requestBody = RequestBody.create(JSON, keyInfo);
+
+        RequestBody requestBody = RequestBody.create(JSON, keyInfo.toString());
 
         Request.Builder builder = new Request.Builder();
         builder.url(generateApplicationKeysUrl);
-        if (!token) {
         builder.addHeader(Constants.AUTHORIZATION_HEADER_NAME, Constants.AUTHORIZATION_HEADER_PREFIX_BEARER
                 + apiApplicationInfo.getAccess_token());
-        } else {
-            builder.addHeader(Constants.AUTHORIZATION_HEADER_NAME, Constants.AUTHORIZATION_HEADER_PREFIX_BEARER
-                    + tokenInfo.getAccessToken());
-        }
         builder.post(requestBody);
         Request request = builder.build();
 
@@ -575,22 +454,13 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
             if (HttpStatus.SC_OK == response.code()) {
                 return gson.fromJson(response.body().string(), ApplicationKey.class);
             } else if (HttpStatus.SC_UNAUTHORIZED == response.code()) {
-                if (!token) {
                 APIApplicationServices apiApplicationServices = new APIApplicationServicesImpl();
                 AccessTokenInfo refreshedAccessToken = apiApplicationServices.
                         generateAccessTokenFromRefreshToken(apiApplicationInfo.getRefresh_token(),
                                 apiApplicationInfo.getClientId(), apiApplicationInfo.getClientSecret());
                 ApiApplicationInfo refreshedApiApplicationInfo = returnApplicationInfo(apiApplicationInfo, refreshedAccessToken);
+                return generateApplicationKeys(refreshedApiApplicationInfo, applicationId, keyManager, validityTime, keyType);
                 //TODO: max attempt count
-                    TokenInfo refreshedTokenInfo = new TokenInfo();
-                    refreshedTokenInfo.setApiApplicationInfo(refreshedApiApplicationInfo);
-                    refreshedTokenInfo.setAccessToken(null);
-                    return generateApplicationKeys(refreshedTokenInfo, applicationId, keyManager, validityTime, keyType);
-                } else {
-                    String msg = "Invalid access token. Unauthorized request";
-                    log.error(msg);
-                    throw new APIServicesException(msg);
-                }
             } else if (HttpStatus.SC_BAD_REQUEST == response.code()) {
                 String msg = "Bad Request, Invalid request body";
                 log.error(msg);
@@ -607,31 +477,24 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
     }
 
     @Override
-    public ApplicationKey mapApplicationKeys(TokenInfo tokenInfo, Application application, String keyManager, String keyType)
+    public ApplicationKey mapApplicationKeys(ApiApplicationInfo apiApplicationInfo, Application application, String keyManager, String keyType)
             throws APIServicesException, BadRequestException, UnexpectedResponseException {
 
-        ApiApplicationInfo apiApplicationInfo = tokenInfo.getApiApplicationInfo();
-        boolean token = isTokenNull(apiApplicationInfo, tokenInfo.getAccessToken());
         String getAllScopesUrl = endPointPrefix + Constants.APPLICATIONS_API + Constants.SLASH +
                 application.getApplicationId() + "/map-keys";
 
-        String payload = "{\n" +
+        JSONObject payload = new JSONObject();
-                "  \"consumerKey\": \"" + apiApplicationInfo.getClientId() + "\",\n" +
+        payload.put("consumerKey", apiApplicationInfo.getClientId());
-                "  \"consumerSecret\": \"" + apiApplicationInfo.getClientSecret() + "\",\n" +
+        payload.put("consumerSecret", apiApplicationInfo.getClientSecret());
-                "  \"keyManager\": \"" +  keyManager + "\",\n" +
+        payload.put("keyManager", keyManager);
-                "  \"keyType\": \"" + keyType + "\"\n" +
+        payload.put("keyType", keyType);
-                "}";
+
-        RequestBody requestBody = RequestBody.create(JSON, payload);
+        RequestBody requestBody = RequestBody.create(JSON, payload.toString());
 
         Request.Builder builder = new Request.Builder();
         builder.url(getAllScopesUrl);
-        if (!token) {
         builder.addHeader(Constants.AUTHORIZATION_HEADER_NAME, Constants.AUTHORIZATION_HEADER_PREFIX_BEARER
                 + apiApplicationInfo.getAccess_token());
-        } else {
-            builder.addHeader(Constants.AUTHORIZATION_HEADER_NAME, Constants.AUTHORIZATION_HEADER_PREFIX_BEARER
-                    + tokenInfo.getAccessToken());
-        }
         builder.post(requestBody);
         Request request = builder.build();
 
@@ -640,22 +503,13 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
             if (HttpStatus.SC_OK == response.code()) {
                 return gson.fromJson(response.body().string(), ApplicationKey.class);
             } else if (HttpStatus.SC_UNAUTHORIZED == response.code()) {
-                if (!token) {
                 APIApplicationServices apiApplicationServices = new APIApplicationServicesImpl();
                 AccessTokenInfo refreshedAccessToken = apiApplicationServices.
                         generateAccessTokenFromRefreshToken(apiApplicationInfo.getRefresh_token(),
                                 apiApplicationInfo.getClientId(), apiApplicationInfo.getClientSecret());
                 ApiApplicationInfo refreshedApiApplicationInfo = returnApplicationInfo(apiApplicationInfo, refreshedAccessToken);
+                return mapApplicationKeys(refreshedApiApplicationInfo, application, keyManager, keyType);
                 //TODO: max attempt count
-                    TokenInfo refreshedTokenInfo = new TokenInfo();
-                    refreshedTokenInfo.setApiApplicationInfo(refreshedApiApplicationInfo);
-                    refreshedTokenInfo.setAccessToken(null);
-                    return mapApplicationKeys(refreshedTokenInfo, application, keyManager, keyType);
-                } else {
-                    String msg = "Invalid access token. Unauthorized request";
-                    log.error(msg);
-                    throw new APIServicesException(msg);
-                }
             } else if (HttpStatus.SC_BAD_REQUEST == response.code()) {
                 String msg = "Bad Request, Invalid request body";
                 log.error(msg);
@@ -672,22 +526,15 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
     }
 
     @Override
-    public ApplicationKey getKeyDetails(TokenInfo tokenInfo, String applicationId, String keyMapId)
+    public ApplicationKey getKeyDetails(ApiApplicationInfo apiApplicationInfo, String applicationId, String keyMapId)
             throws APIServicesException, BadRequestException, UnexpectedResponseException {
 
-        ApiApplicationInfo apiApplicationInfo = tokenInfo.getApiApplicationInfo();
-        boolean token = isTokenNull(apiApplicationInfo, tokenInfo.getAccessToken());
         String getKeyDetails = endPointPrefix + Constants.APPLICATIONS_API + Constants.SLASH + applicationId + "/oauth-keys/" + keyMapId;
 
         Request.Builder builder = new Request.Builder();
         builder.url(getKeyDetails);
-        if (!token) {
         builder.addHeader(Constants.AUTHORIZATION_HEADER_NAME, Constants.AUTHORIZATION_HEADER_PREFIX_BEARER
                 + apiApplicationInfo.getAccess_token());
-        } else {
-            builder.addHeader(Constants.AUTHORIZATION_HEADER_NAME, Constants.AUTHORIZATION_HEADER_PREFIX_BEARER
-                    + tokenInfo.getAccessToken());
-        }
         builder.get();
         Request request = builder.build();
 
@@ -696,22 +543,13 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
             if (HttpStatus.SC_OK == response.code()) {
                 return gson.fromJson(response.body().string(), ApplicationKey.class);
             } else if (HttpStatus.SC_UNAUTHORIZED == response.code()) {
-                if (!token) {
                 APIApplicationServices apiApplicationServices = new APIApplicationServicesImpl();
                 AccessTokenInfo refreshedAccessToken = apiApplicationServices.
                         generateAccessTokenFromRefreshToken(apiApplicationInfo.getRefresh_token(),
                                 apiApplicationInfo.getClientId(), apiApplicationInfo.getClientSecret());
                 ApiApplicationInfo refreshedApiApplicationInfo = returnApplicationInfo(apiApplicationInfo, refreshedAccessToken);
+                return getKeyDetails(refreshedApiApplicationInfo, applicationId, keyMapId);
                 //TODO: max attempt count
-                    TokenInfo refreshedTokenInfo = new TokenInfo();
-                    refreshedTokenInfo.setApiApplicationInfo(refreshedApiApplicationInfo);
-                    refreshedTokenInfo.setAccessToken(null);
-                    return getKeyDetails(refreshedTokenInfo, applicationId, keyMapId);
-                } else {
-                    String msg = "Invalid access token. Unauthorized request";
-                    log.error(msg);
-                    throw new APIServicesException(msg);
-                }
             } else if (HttpStatus.SC_BAD_REQUEST == response.code()) {
                 String msg = "Bad Request, Invalid request";
                 log.error(msg);
@@ -728,23 +566,16 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
     }
 
     @Override
-    public ApplicationKey updateGrantType(TokenInfo tokenInfo, String applicationId, String keyMapId, String keyManager,
+    public ApplicationKey updateGrantType(ApiApplicationInfo apiApplicationInfo, String applicationId, String keyMapId, String keyManager,
                                           List<String> supportedGrantTypes, String callbackUrl)
             throws APIServicesException, BadRequestException, UnexpectedResponseException {
 
-        ApiApplicationInfo apiApplicationInfo = tokenInfo.getApiApplicationInfo();
-        boolean token = isTokenNull(apiApplicationInfo, tokenInfo.getAccessToken());
         String getKeyDetails = endPointPrefix + Constants.APPLICATIONS_API + Constants.SLASH + applicationId + "/oauth-keys/" + keyMapId;
 
         Request.Builder builder = new Request.Builder();
         builder.url(getKeyDetails);
-        if (!token) {
         builder.addHeader(Constants.AUTHORIZATION_HEADER_NAME, Constants.AUTHORIZATION_HEADER_PREFIX_BEARER
                 + apiApplicationInfo.getAccess_token());
-        } else {
-            builder.addHeader(Constants.AUTHORIZATION_HEADER_NAME, Constants.AUTHORIZATION_HEADER_PREFIX_BEARER
-                    + tokenInfo.getAccessToken());
-        }
 
         JSONArray supportedGrantTypeList = new JSONArray();
         for (String string : supportedGrantTypes) {
@@ -768,22 +599,13 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
             if (HttpStatus.SC_OK == response.code()) {
                 return gson.fromJson(response.body().string(), ApplicationKey.class);
             } else if (HttpStatus.SC_UNAUTHORIZED == response.code()) {
-                if (!token) {
                 APIApplicationServices apiApplicationServices = new APIApplicationServicesImpl();
                 AccessTokenInfo refreshedAccessToken = apiApplicationServices.
                         generateAccessTokenFromRefreshToken(apiApplicationInfo.getRefresh_token(),
                                 apiApplicationInfo.getClientId(), apiApplicationInfo.getClientSecret());
                 ApiApplicationInfo refreshedApiApplicationInfo = returnApplicationInfo(apiApplicationInfo, refreshedAccessToken);
+                return updateGrantType(refreshedApiApplicationInfo, applicationId, keyMapId, keyManager, supportedGrantTypes, callbackUrl);
                 //TODO: max attempt count
-                    TokenInfo refreshedTokenInfo = new TokenInfo();
-                    refreshedTokenInfo.setApiApplicationInfo(refreshedApiApplicationInfo);
-                    refreshedTokenInfo.setAccessToken(null);
-                    return updateGrantType(refreshedTokenInfo, applicationId, keyMapId, keyManager, supportedGrantTypes, callbackUrl);
-                } else {
-                    String msg = "Invalid access token. Unauthorized request";
-                    log.error(msg);
-                    throw new APIServicesException(msg);
-                }
             } else if (HttpStatus.SC_BAD_REQUEST == response.code()) {
                 String msg = "Bad Request, Invalid request";
                 log.error(msg);
@@ -800,22 +622,15 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
     }
 
     @Override
-    public KeyManager[] getAllKeyManagers(TokenInfo tokenInfo)
+    public KeyManager[] getAllKeyManagers(ApiApplicationInfo apiApplicationInfo)
             throws APIServicesException, BadRequestException, UnexpectedResponseException {
 
-        ApiApplicationInfo apiApplicationInfo = tokenInfo.getApiApplicationInfo();
-        boolean token = isTokenNull(apiApplicationInfo, tokenInfo.getAccessToken());
         String getAllKeyManagersUrl = endPointPrefix + Constants.KEY_MANAGERS_API;
 
         Request.Builder builder = new Request.Builder();
         builder.url(getAllKeyManagersUrl);
-        if (!token) {
         builder.addHeader(Constants.AUTHORIZATION_HEADER_NAME, Constants.AUTHORIZATION_HEADER_PREFIX_BEARER
                 + apiApplicationInfo.getAccess_token());
-        } else {
-            builder.addHeader(Constants.AUTHORIZATION_HEADER_NAME, Constants.AUTHORIZATION_HEADER_PREFIX_BEARER
-                    + tokenInfo.getAccessToken());
-        }
         builder.get();
         Request request = builder.build();
 
@@ -825,22 +640,13 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
                 JSONArray keyManagerList = (JSONArray) new JSONObject(response.body().string()).get("list");
                 return gson.fromJson(keyManagerList.toString(), KeyManager[].class);
             } else if (HttpStatus.SC_UNAUTHORIZED == response.code()) {
-                if (!token) {
                 APIApplicationServices apiApplicationServices = new APIApplicationServicesImpl();
                 AccessTokenInfo refreshedAccessToken = apiApplicationServices.
                         generateAccessTokenFromRefreshToken(apiApplicationInfo.getRefresh_token(),
                                 apiApplicationInfo.getClientId(), apiApplicationInfo.getClientSecret());
                 ApiApplicationInfo refreshedApiApplicationInfo = returnApplicationInfo(apiApplicationInfo, refreshedAccessToken);
+                return getAllKeyManagers(refreshedApiApplicationInfo);
                 //TODO: max attempt count
-                    TokenInfo refreshedTokenInfo = new TokenInfo();
-                    refreshedTokenInfo.setApiApplicationInfo(refreshedApiApplicationInfo);
-                    refreshedTokenInfo.setAccessToken(null);
-                    return getAllKeyManagers(refreshedTokenInfo);
-                } else {
-                    String msg = "Invalid or null access token";
-                    log.error(msg);
-                    throw new BadRequestException(msg);
-                }
             } else if (HttpStatus.SC_BAD_REQUEST == response.code()) {
                 String msg = "Bad Request, Invalid request";
                 log.error(msg);
@@ -856,29 +662,13 @@ public class ConsumerRESTAPIServicesImpl implements ConsumerRESTAPIServices {
         }
     }
 
-    private ApiApplicationInfo returnApplicationInfo(ApiApplicationInfo refreshedApplicationInfo, AccessTokenInfo refreshedToken) {
+    private ApiApplicationInfo returnApplicationInfo(ApiApplicationInfo apiApplicationInfo, AccessTokenInfo refreshedToken) {
 
-        ApiApplicationInfo applicationInfo = null;
+        ApiApplicationInfo applicationInfo = new ApiApplicationInfo();
-        applicationInfo.setClientId(refreshedApplicationInfo.getClientId());
+        applicationInfo.setClientId(apiApplicationInfo.getClientId());
-        applicationInfo.setClientSecret(refreshedApplicationInfo.getClientSecret());
+        applicationInfo.setClientSecret(apiApplicationInfo.getClientSecret());
         applicationInfo.setAccess_token(refreshedToken.getAccess_token());
         applicationInfo.setRefresh_token(refreshedToken.getRefresh_token());
-
         return applicationInfo;
     }
-
-    private boolean isTokenNull(ApiApplicationInfo apiApplicationInfo, String accessToken) throws BadRequestException {
-
-        boolean token;
-        if ((!(accessToken == null))) {
-            token = true;
-        } else if (!(apiApplicationInfo == null) && accessToken == null) {
-            token = false;
-        } else {
-            String msg = "Null access token or Rest Application info";
-            log.error(msg);
-            throw new BadRequestException(msg);
-        }
-        return token;
-    }
 }

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/TokenInfo.java

@@ -1,44 +0,0 @@
-/*
- * 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 information and access token for REST APIS cals.
- */
-public class TokenInfo {
-
-    private ApiApplicationInfo apiApplicationInfo;
-    private String accessToken;
-
-    public ApiApplicationInfo getApiApplicationInfo() {
-        return apiApplicationInfo;
-    }
-
-    public void setApiApplicationInfo(ApiApplicationInfo apiApplicationInfo) {
-        this.apiApplicationInfo = apiApplicationInfo;
-    }
-
-    public String getAccessToken() {
-        return accessToken;
-    }
-
-    public void setAccessToken(String accessToken) {
-        this.accessToken = accessToken;
-    }
-}

components/apimgt-extensions/io.entgra.device.mgt.core.apimgt.keymgt.extension/src/main/java/io/entgra/device/mgt/core/apimgt/keymgt/extension/service/KeyMgtServiceImpl.java

@@ -20,7 +20,7 @@ package io.entgra.device.mgt.core.apimgt.keymgt.extension.service;
 
 import com.google.gson.Gson;
 import io.entgra.device.mgt.core.apimgt.extension.rest.api.ConsumerRESTAPIServices;
-import io.entgra.device.mgt.core.apimgt.extension.rest.api.dto.TokenInfo;
+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.UnexpectedResponseException;
 import io.entgra.device.mgt.core.apimgt.keymgt.extension.*;
@@ -437,14 +437,13 @@ public class KeyMgtServiceImpl implements KeyMgtService {
      */
     private io.entgra.device.mgt.core.apimgt.extension.rest.api.bean.APIMConsumer.Application getApplication(String applicationName, String accessToken) throws KeyMgtException {
 
-        TokenInfo tokenInfo = new TokenInfo();
+        ApiApplicationInfo apiApplicationInfo = new ApiApplicationInfo();
-        tokenInfo.setApiApplicationInfo(null);
+        apiApplicationInfo.setAccess_token(accessToken);
-        tokenInfo.setAccessToken(accessToken);
         try {
             ConsumerRESTAPIServices consumerRESTAPIServices =
                     KeyMgtDataHolder.getInstance().getConsumerRESTAPIServices();
             io.entgra.device.mgt.core.apimgt.extension.rest.api.bean.APIMConsumer.Application[] applications =
-                    consumerRESTAPIServices.getAllApplications(tokenInfo, applicationName);
+                    consumerRESTAPIServices.getAllApplications(apiApplicationInfo, applicationName);
             if (applications.length == 1) {
                 return applications[0];
             } else {

components/device-mgt/io.entgra.device.mgt.core.device.mgt.api/src/main/java/io/entgra/device/mgt/core/device/mgt/api/jaxrs/service/impl/DeviceManagementServiceImpl.java

@@ -27,7 +27,6 @@ import io.entgra.device.mgt.core.apimgt.application.extension.internal.APIApplic
 import io.entgra.device.mgt.core.apimgt.extension.rest.api.APIApplicationServices;
 import io.entgra.device.mgt.core.apimgt.extension.rest.api.APIApplicationServicesImpl;
 import io.entgra.device.mgt.core.apimgt.extension.rest.api.dto.APIApplicationKey;
-import io.entgra.device.mgt.core.apimgt.extension.rest.api.dto.TokenInfo;
 import io.entgra.device.mgt.core.apimgt.extension.rest.api.exceptions.APIServicesException;
 import io.entgra.device.mgt.core.apimgt.keymgt.extension.DCRResponse;
 import io.entgra.device.mgt.core.apimgt.keymgt.extension.TokenRequest;
@@ -828,8 +827,6 @@ public class DeviceManagementServiceImpl implements DeviceManagementService {
                                 "perm:users:send-invitation");
 
                 APIManagementProviderService apiManagementProviderService = DeviceMgtAPIUtils.getAPIManagementService();
-//                TokenInfo tokenInfo = new TokenInfo();
-//                tokenInfo.setAccessToken(accessTokenInfo.getAccessToken());
                 apiApplicationKey = apiManagementProviderService.generateAndRetrieveApplicationKeys(applicationName,
                         new String[] {"device_management"}, "PRODUCTION", null, false, String.valueOf(validityTime),
                         null, accessTokenInfo.getAccessToken(), null, null,true);