question: private boolean checkServerPrefixes ( final String server ) { boolean accept = false ; if ( prefixes == null ) { accept = true ; } else { for ( String prefix : prefixes . split ( " " ) ) { if ( server . startsWith ( prefix ) ) { accept = true ; break ; } } } if ( ! accept ) { LOGGER . warn ( "server URL {} does not have a prefix {}" , server , prefixes ) ; } return accept ; }
target:  Returns whether the server prefix is in the list of acceptable prefixes, as given by the space-separated configuration parameter value for 'accepted-server-prefixes'.