Fixed enrollment issue

components/device-mgt/org.wso2.carbon.device.mgt.mobile.impl/src/main/java/org/wso2/carbon/device/mgt/mobile/impl/android/AndroidDeviceManager.java

@@ -21,6 +21,7 @@ package org.wso2.carbon.device.mgt.mobile.impl.android;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.wso2.carbon.device.mgt.common.*;
+import org.wso2.carbon.device.mgt.common.configuration.mgt.TenantConfiguration;
 import org.wso2.carbon.device.mgt.common.license.mgt.License;
 import org.wso2.carbon.device.mgt.mobile.dao.MobileDeviceManagementDAOException;
 import org.wso2.carbon.device.mgt.mobile.dao.MobileDeviceManagementDAOFactory;
@@ -47,18 +48,33 @@ public class AndroidDeviceManager implements DeviceManager {
         return featureManager;
     }
 
+	@Override
+	public boolean saveConfiguration(TenantConfiguration tenantConfiguration) throws DeviceManagementException {
+		return false;
+	}
+
+	@Override
+	public TenantConfiguration getConfiguration() throws DeviceManagementException {
+		return null;
+	}
+
 	@Override
     public boolean enrollDevice(Device device) throws DeviceManagementException {
-        boolean status;
+        boolean status = false;
         MobileDevice mobileDevice = MobileDeviceManagementUtil.convertToMobileDevice(device);
         try {
             if (log.isDebugEnabled()) {
                 log.debug("Enrolling a new Android device : " + device.getDeviceIdentifier());
             }
+			boolean isEnrolled = this.isEnrolled(new DeviceIdentifier(device.getDeviceIdentifier(), device.getType()));
+			if (isEnrolled) {
+				this.modifyEnrollment(device);
+			} else {
 				AndroidDAOFactory.beginTransaction();
 				status = mobileDeviceManagementDAOFactory.getMobileDeviceDAO().addMobileDevice(
 						mobileDevice);
 				AndroidDAOFactory.commitTransaction();
+			}
         } catch (MobileDeviceManagementDAOException e) {
             try {
                 AndroidDAOFactory.rollbackTransaction();

components/device-mgt/org.wso2.carbon.device.mgt.mobile.impl/src/main/java/org/wso2/carbon/device/mgt/mobile/impl/windows/WindowsDeviceManager.java

@@ -21,6 +21,7 @@ package org.wso2.carbon.device.mgt.mobile.impl.windows;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.wso2.carbon.device.mgt.common.*;
+import org.wso2.carbon.device.mgt.common.configuration.mgt.TenantConfiguration;
 import org.wso2.carbon.device.mgt.mobile.dao.MobileDeviceManagementDAOException;
 import org.wso2.carbon.device.mgt.mobile.dao.MobileDeviceManagementDAOFactory;
 import org.wso2.carbon.device.mgt.mobile.dto.MobileDevice;
@@ -43,6 +44,16 @@ public class WindowsDeviceManager implements DeviceManager {
         return null;
     }
 
+	@Override
+	public boolean saveConfiguration(TenantConfiguration tenantConfiguration) throws DeviceManagementException {
+		return false;
+	}
+
+	@Override
+	public TenantConfiguration getConfiguration() throws DeviceManagementException {
+		return null;
+	}
+
 	@Override
     public boolean modifyEnrollment(Device device) throws DeviceManagementException {
         return true;