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Revision 1423

Add code to delete the previous permission when update.

       /* The method to write all access rule intodb */
       private void writeAccessRuleToDB() throws SAXException
+      {
         //Delete old permssion
         deletePermissionsInAccessTable(docid);
         //write top leve access rule
         writeTopLevelAccessRuleToDB();
         //write additional access rule
-...
+            }
           }//finally
       }//writeGivenAccessRuleIntoDB
       /* Delete from db all permission for resources related to @aclid if any.*/
       private void deletePermissionsInAccessTable(String aclid)
               throws SAXException
+      {
         Statement stmt = null;
         try
+        {
           // delete all acl records for resources related to @aclid if any
           stmt = connection.createStatement();
           // Increase DBConnection usage count
           connection.increaseUsageCount(1);
           stmt.execute("DELETE FROM xml_access WHERE accessfileid = '" + aclid +
                        "'");
+        }
         catch (SQLException e)
+        {
           throw new SAXException(e.getMessage());
+        }
         finally
+        {
           try
+          {
             stmt.close();
+          }
           catch (SQLException ee)
+          {
             throw new SAXException(ee.getMessage());
+          }
+        }
+      }
+    }

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