Fixed issues in DeviceAuthorization

components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/authorization/DeviceAccessAuthorizationServiceImpl.java

@@ -20,7 +20,7 @@ package org.wso2.carbon.device.mgt.core.authorization;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
-import org.wso2.carbon.context.PrivilegedCarbonContext;
+import org.wso2.carbon.context.CarbonContext;
 import org.wso2.carbon.device.mgt.common.*;
 import org.wso2.carbon.device.mgt.common.authorization.DeviceAccessAuthorizationException;
 import org.wso2.carbon.device.mgt.common.authorization.DeviceAccessAuthorizationService;
@@ -31,7 +31,6 @@ import org.wso2.carbon.device.mgt.core.internal.DeviceManagementDataHolder;
 import org.wso2.carbon.device.mgt.core.permission.mgt.PermissionUtils;
 import org.wso2.carbon.user.api.UserRealm;
 import org.wso2.carbon.user.api.UserStoreException;
-import org.wso2.carbon.utils.multitenancy.MultitenantUtils;
 
 import java.util.HashMap;
 import java.util.List;
@@ -223,9 +222,9 @@ public class DeviceAccessAuthorizationServiceImpl implements DeviceAccessAuthori
     }
 
     private String getUserName() {
-        String username = PrivilegedCarbonContext.getThreadLocalCarbonContext().getUsername();
-        if (username != null && username.isEmpty()) {
-            String tenantDomain = MultitenantUtils.getTenantDomain(username);
+        String username = CarbonContext.getThreadLocalCarbonContext().getUsername();
+        if (username != null && !username.isEmpty()) {
+            String tenantDomain = CarbonContext.getThreadLocalCarbonContext().getTenantDomain();
             if (username.endsWith(tenantDomain)) {
                 return username.substring(0, username.lastIndexOf("@"));
             }
@@ -235,7 +234,7 @@ public class DeviceAccessAuthorizationServiceImpl implements DeviceAccessAuthori
     }
 
     private int getTenantId() {
-        return PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId();
+        return CarbonContext.getThreadLocalCarbonContext().getTenantId();
     }
 
     private boolean addAdminPermissionToRegistry() throws PermissionManagementException {

components/webapp-authenticator-framework/org.wso2.carbon.webapp.authenticator.framework/src/main/java/org/wso2/carbon/webapp/authenticator/framework/WebappAuthenticationValve.java

@@ -28,9 +28,7 @@ import org.wso2.carbon.tomcat.ext.valves.CompositeValve;
 import org.wso2.carbon.webapp.authenticator.framework.authenticator.WebappAuthenticator;
 
 import javax.servlet.http.HttpServletResponse;
-import java.util.Arrays;
 import java.util.HashMap;
-import java.util.List;
 import java.util.StringTokenizer;
 
 public class WebappAuthenticationValve extends CarbonTomcatValve {