Added javadoc comments.

components/device-mgt/org.wso2.carbon.device.mgt.common/src/main/java/org/wso2/carbon/device/mgt/common/DeviceManager.java

@@ -37,8 +37,9 @@ public interface DeviceManager {
 
     /**
      * Method to save platform specific Configuration.
-     *
+     * @param  configuration - A Platform configuration object which needs to save
      * @return Returns the status of the operation
+     * @throws DeviceManagementException If something goes wrong while saving the configuration.
      */
     boolean saveConfiguration(PlatformConfiguration configuration) throws DeviceManagementException;
 
@@ -46,6 +47,7 @@ public interface DeviceManager {
      * Method to get platform specific Configuration.
      *
      * @return Returns the platform specific tenant configurations
+     * @throws DeviceManagementException If something goes wrong while fetching the configuration.
      */
     PlatformConfiguration getConfiguration() throws DeviceManagementException;
 
@@ -53,6 +55,7 @@ public interface DeviceManager {
      * Method to enrolling a particular device of type mobile, IoT, etc within CDM.
      *
      * @param device Metadata corresponding to the device being enrolled
+     * @return A boolean indicating the status of the operation.
      * @throws DeviceManagementException If some unusual behaviour is observed while enrolling a device
      */
     boolean enrollDevice(Device device) throws DeviceManagementException;
@@ -61,6 +64,7 @@ public interface DeviceManager {
      * Method to modify the metadata corresponding to device enrollment.
      *
      * @param device Modified device enrollment related metadata
+     * @return A boolean indicating the status of the operation.
      * @throws DeviceManagementException If some unusual behaviour is observed while modify the enrollment of a
      *                                   device
      */
@@ -70,6 +74,7 @@ public interface DeviceManager {
      * Method to disenroll a particular device from CDM.
      *
      * @param deviceId Fully qualified device identifier
+     * @return A boolean indicating the status of the operation.
      * @throws DeviceManagementException If some unusual behaviour is observed while disenrolling a device
      */
     boolean disenrollDevice(DeviceIdentifier deviceId) throws DeviceManagementException;
@@ -100,6 +105,7 @@ public interface DeviceManager {
      *
      * @param deviceId Fully qualified device identifier
      * @param status   Indicates whether the device is active
+     * @return A boolean indicating the status of the operation.
      * @throws DeviceManagementException If some unusual behaviour is observed while updating the active status
      *                                   of the device
      */
@@ -127,6 +133,7 @@ public interface DeviceManager {
      *
      * @param deviceIdentifier identifier to identify the device
      * @param device           Updated device information related data
+     * @return A boolean indicating the status of the operation.
      * @throws DeviceManagementException If some unusual behaviour is observed while updating the device info
      */
     boolean updateDeviceInfo(DeviceIdentifier deviceIdentifier, Device device) throws DeviceManagementException;
@@ -136,6 +143,7 @@ public interface DeviceManager {
      *
      * @param deviceId      Fully qualified device identifier
      * @param ownershipType Type of ownership
+     * @return A boolean indicating the status of the operation.
      * @throws DeviceManagementException If some unusual behaviour is observed while setting the ownership
      *                                   of the device
      */

components/device-mgt/org.wso2.carbon.device.mgt.common/src/main/java/org/wso2/carbon/device/mgt/common/app/mgt/ApplicationManager.java

@@ -39,7 +39,7 @@ public interface ApplicationManager {
      * @param pageNumber Page number of the list.
      * @param size       Number of items in one page.
      * @return The list of applications belongs to a domain.
-     * @throws ApplicationManagementException
+     * @throws ApplicationManagementException If something goes wrong
      */
 
     Application[] getApplications(String domain, int pageNumber, int size)
@@ -52,6 +52,7 @@ public interface ApplicationManager {
      * @param deviceId    Device id of the device that the status belongs to.
      * @param application Application details of the app being updated.
      * @param status      Installed/Uninstalled
+     * @throws ApplicationManagementException If something goes wrong
      */
     void updateApplicationStatus(DeviceIdentifier deviceId, Application application, String status)
             throws ApplicationManagementException;
@@ -62,6 +63,7 @@ public interface ApplicationManager {
      * @param deviceId    Device id of the device that the status belongs to.
      * @param application Application details of the app being searched.
      * @return Status of the application on the device.
+     * @throws ApplicationManagementException If something goes wrong
      */
     String getApplicationStatus(DeviceIdentifier deviceId, Application application)
             throws ApplicationManagementException;

components/device-mgt/org.wso2.carbon.device.mgt.common/src/main/java/org/wso2/carbon/device/mgt/common/authorization/DeviceAccessAuthorizationService.java

@@ -55,7 +55,8 @@ public interface DeviceAccessAuthorizationService {
      * DeviceIdentifier list.
      *
      * @param deviceIdentifiers - List of DeviceIdentifiers to be checked for authorization.
-     * @return DeviceAuthorizationResult - Authorization result including the list of authorized devices & unauthorized devices.
+     * @return DeviceAuthorizationResult - Authorization result object including the list of authorized devices and
+     *                                      unauthorized devices.
      * @throws DeviceAccessAuthorizationException if something goes wrong when checking the authorization.
      */
     DeviceAuthorizationResult isUserAuthorized(List<DeviceIdentifier> deviceIdentifiers) throws
@@ -67,7 +68,8 @@ public interface DeviceAccessAuthorizationService {
      *
      * @param deviceIdentifiers - List of DeviceIdentifiers to be checked for authorization.
      * @param groupPermissions  - Group Permissions
-     * @return DeviceAuthorizationResult - Authorization result including the list of authorized devices & unauthorized devices.
+     * @return DeviceAuthorizationResult - Authorization result object including the list of authorized devices and
+     *                                      unauthorized devices.
      * @throws DeviceAccessAuthorizationException if something goes wrong when checking the authorization.
      */
     DeviceAuthorizationResult isUserAuthorized(List<DeviceIdentifier> deviceIdentifiers, String[] groupPermissions)
@@ -93,7 +95,8 @@ public interface DeviceAccessAuthorizationService {
      * @param deviceIdentifiers - List of DeviceIdentifiers to be checked for authorization.
      * @param username          - User name
      * @param groupPermissions  - Group Permissions
-     * @return DeviceAuthorizationResult - Authorization result including the list of authorized devices & unauthorized devices.
+     * @return DeviceAuthorizationResult - Authorization result object including the list of authorized devices and
+     *                                      unauthorized devices.
      * @throws DeviceAccessAuthorizationException if something goes wrong when checking the authorization.
      */
     DeviceAuthorizationResult isUserAuthorized(List<DeviceIdentifier> deviceIdentifiers, String username,
@@ -126,7 +129,8 @@ public interface DeviceAccessAuthorizationService {
      *
      * @param deviceIdentifiers - List of DeviceIdentifiers to be checked for authorization.
      * @param username          - Username of the user to be checked for authorization.
-     * @return DeviceAuthorizationResult - Authorization result including the list of authorized devices & unauthorized devices.
+     * @return DeviceAuthorizationResult - Authorization result object including the list of authorized devices and
+     *                                      unauthorized devices.
      * @throws DeviceAccessAuthorizationException if something goes wrong when checking the authorization.
      */
     DeviceAuthorizationResult isUserAuthorized(List<DeviceIdentifier> deviceIdentifiers, String username) throws

components/device-mgt/org.wso2.carbon.device.mgt.common/src/main/java/org/wso2/carbon/device/mgt/common/configuration/mgt/PlatformConfigurationManagementService.java

@@ -28,6 +28,7 @@ public interface PlatformConfigurationManagementService {
 	 *
 	 * @param platformConfiguration Operation to be added.
 	 * @param resourcePath Registry resource path.
+     * @return A boolean indicating the status of the operation.
 	 * @throws org.wso2.carbon.device.mgt.common.configuration.mgt.ConfigurationManagementException If some unusual behaviour is observed while adding the
 	 * configuration.
 	 */
@@ -38,6 +39,7 @@ public interface PlatformConfigurationManagementService {
 	 * Method to retrieve the list of general tenant configurations.
 	 *
 	 * @param resourcePath Registry resource path.
+     * @return Platform Configuration object.
 	 * @throws org.wso2.carbon.device.mgt.common.configuration.mgt.ConfigurationManagementException If some unusual behaviour is observed while fetching the
 	 * operation list.
 	 */

components/device-mgt/org.wso2.carbon.device.mgt.common/src/main/java/org/wso2/carbon/device/mgt/common/notification/mgt/NotificationManagementService.java

@@ -32,6 +32,7 @@ public interface NotificationManagementService {
     /**
      * Method to add a notification to the database.
      *
+     * @param deviceId  - DeviceIdentifier of the device
      * @param notification - Notification to be added to database.
      * @return boolean status of the operation.
      * @throws NotificationManagementException
@@ -66,7 +67,7 @@ public interface NotificationManagementService {
      * Method to fetch all the notifications in the database.
      *
      * @return List of all Notifications in the database.
-     * @throws NotificationManagementException
+     * @throws NotificationManagementException if something goes wrong while fetching the Notifications.
      *
      */
     List<Notification> getAllNotifications() throws NotificationManagementException;

components/device-mgt/org.wso2.carbon.device.mgt.common/src/main/java/org/wso2/carbon/device/mgt/common/operation/mgt/OperationManager.java

@@ -39,7 +39,7 @@ public interface OperationManager {
      * @param devices   List of DeviceIdentifiers to execute the operation
      * @return Activity object corresponds to the added operation.
      * @throws OperationManagementException If some unusual behaviour is observed while adding the operation
-     *         InvalidDeviceException       If addOperation request contains Invalid DeviceIdentifiers.
+     * @throws InvalidDeviceException       If addOperation request contains Invalid DeviceIdentifiers.
      */
     Activity addOperation(Operation operation, List<DeviceIdentifier> devices) throws OperationManagementException,
             InvalidDeviceException;

components/device-mgt/org.wso2.carbon.device.mgt.common/src/main/java/org/wso2/carbon/device/mgt/common/push/notification/NotificationStrategy.java

@@ -32,8 +32,8 @@ public interface NotificationStrategy {
     void undeploy();
 
     /**
-     * Provides push notification configuration
+     * Provides push notification configuration.
-     *
+     * @return PushNotificationConfig for this NotificationStrategy
      */
     PushNotificationConfig getConfig();
 

components/email-sender/org.wso2.carbon.email.sender.core/src/main/java/org/wso2/carbon/email/sender/core/internal/EmailSenderServiceComponent.java

@@ -28,7 +28,8 @@ import org.wso2.carbon.utils.Axis2ConfigurationContextObserver;
 import org.wso2.carbon.utils.ConfigurationContextService;
 
 /**
- * @scr.component name="org.wso2.carbon.email.sender.EmailSenderServiceComponent" immediate="true"
+ * @scr.component name="org.wso2.carbon.email.sender.emailsendereervicecomponent"
+ * immediate="true"
  * @scr.reference name="registry.service"
  * interface="org.wso2.carbon.registry.core.service.RegistryService"
  * cardinality="1..1"