Adding method to check if user exists

modules/samples/doormanager/component/manager/src/main/java/org.homeautomation/doormanager/manager/api/DoorManagerManagerService.java

@@ -274,9 +274,11 @@ public class DoorManagerManagerService {
                         String accessToken = userStoreManager.getUserClaimValue(userInfo.userName, "http://wso2.org/claims/lock/accesstoken", null);
                         String cardNumber = userStoreManager.getUserClaimValue(userInfo.userName, "http://wso2.org/claims/lock/cardnumber", null);
                         if(cardNumber.equals(userInfo.cardNumber)){
-                            if(accessToken != null){
+                            if(accessToken != null && doorManagerDAO.getAutomaticDoorLockerDeviceDAO().
+									checkCardDoorAssociation(cardNumber, userInfo.deviceId)){
                                 JSONObject credentials = new JSONObject();
                                 credentials.put(DoorManagerConstants.DEVICE_PLUGIN_PROPERTY_ACCESS_TOKEN, accessToken);
+								credentials.put(DoorManagerConstants.DEVICE_PLUGIN_PROPERTY_ACCESS_TOKEN, accessToken);
                                 return Response.ok(credentials, MediaType.APPLICATION_JSON_TYPE).build();
                             }
                         }

modules/samples/doormanager/component/plugin/src/main/java/org.homeautomation/doormanager/plugin/impl/dao/impl/DoorManagerDAOImpl.java

@@ -261,6 +261,34 @@ public class DoorManagerDAOImpl {
 		return status;
 	}
 
+	public boolean checkCardDoorAssociation(String cardNum, String deviceID) throws DoorManagerDeviceMgtPluginException {
+		boolean status = false;
+		Connection conn = null;
+		PreparedStatement stmt = null;
+		try {
+			conn = DoorManagerDAO.getConnection();
+			String createDBQuery = "SELECT * FROM SHARED_DOORLOCK_SAFE WHERE" +
+					" DOORMANAGER_DEVICE_ID = ? AND SERIAL_NUMBER = ?";
+			stmt = conn.prepareStatement(createDBQuery);
+			stmt.setString(1, cardNum);
+			stmt.setString(2, deviceID);
+			int rows = stmt.executeUpdate();
+			if (rows > 0) {
+				status = true;
+				if (log.isDebugEnabled()) {
+					log.debug("Lock : "+ deviceID + " is associated with card no : "+cardNum);
+				}
+			}
+		} catch (SQLException e) {
+			String msg = "No associations were found between lock : "+ deviceID +" and card : "+ cardNum;
+			log.error(msg, e);
+			throw new DoorManagerDeviceMgtPluginException(msg, e);
+		} finally {
+			DoorManagerUtils.cleanupResources(stmt, null);
+		}
+		return status;
+	}
+
 	public List<String> getUserCredentials(String deviceId, String UIDofUser) throws DoorManagerDeviceMgtPluginException {
 
 		Connection conn = null;