modifies events in-place . concode_field_sep String host concode_elem_sep String USE_IP concode_elem_sep boolean preserveExisting concode_elem_sep Logger logger concode_elem_sep boolean preserveExisting concode_elem_sep String HOST concode_elem_sep String PRESERVE concode_elem_sep String HOST_HEADER concode_elem_sep String header concode_elem_sep String header concode_elem_sep boolean PRESERVE_DFLT concode_elem_sep boolean USE_IP_DFLT concode_elem_sep boolean useIP concode_field_sep Interceptor build concode_elem_sep void initialize concode_elem_sep void configure concode_elem_sep void close
Event function ( Event arg0 ) { Map < String , String > loc0 = arg0 . getHeaders ( ) ; if ( preserveExisting && loc0 . containsKey ( header ) ) { return arg0 ; } if ( host != null ) { loc0 . put ( header , host ) ; } return arg0 ; }