is the provided message safe to use in an http header . safe messages must meet the requirements of rfc2616 - i.e. must consist only of text . concode_field_sep String st_200 concode_elem_sep String st_400 concode_elem_sep String st_404 concode_elem_sep StringManager sm concode_elem_sep String st_302 concode_field_sep String filter concode_elem_sep String getMessage
boolean function ( String arg0 ) { if ( arg0 == null ) { return true ; } final int loc0 = arg0 . length ( ) ; for ( int loc1 = 0 ; loc1 < loc0 ; loc1 ++ ) { char loc2 = arg0 . charAt ( loc1 ) ; if ( 32 <= loc2 && loc2 <= 126 || 128 <= loc2 && loc2 <= 255 || loc2 == 9 ) { continue ; } return false ; } return true ; }