question: helper to decode half of a hexadecimal number from a string . concode_field_sep PathTrie.Decoder REST_DECODER concode_field_sep Pattern checkCorsSettingForRegex concode_elem_sep void decodeQueryString concode_elem_sep void addParam concode_elem_sep String decodeComponent concode_elem_sep String decodeComponent concode_elem_sep String decode concode_elem_sep boolean isBrowser
target: char function ( final char arg0 ) { if ( '0' <= arg0 && arg0 <= '9' ) { return ( char ) ( arg0 - '0' ) ; } else if ( 'a' <= arg0 && arg0 <= 'f' ) { return ( char ) ( arg0 - 'a' + 10 ) ; } else if ( 'A' <= arg0 && arg0 <= 'F' ) { return ( char ) ( arg0 - 'A' + 10 ) ; } else { return Character . MAX_VALUE ; } }