cache a new java.io.file in the cache buffer concode_field_sep Map<String,File> cache concode_elem_sep boolean isTraceEnabled concode_field_sep void setTraceEnabled concode_elem_sep void clear concode_elem_sep boolean remove
boolean function ( File arg0 ) { if ( cache . containsKey ( arg0 . getName ( ) ) ) { return false ; } cache . put ( arg0 . getName ( ) , arg0 ) ; return true ; }