ham in ra mot xau , null in ra xau rong concode_field_sep PlaceHolder placeHolder concode_field_sep String unAccent concode_elem_sep boolean notVaild concode_elem_sep String convertUTF8 concode_elem_sep String gioiTinh concode_elem_sep boolean notVaildNumber
String function ( String arg0 ) { if ( arg0 == null ) return "srini_string" ; return arg0 ; }