question: private static boolean entryExists ( String dn ) throws SMSException { boolean entryExists = false ; try ( Connection conn = getConnection ( adminPrincipal ) ) { conn . searchSingleEntry ( LDAPRequests . newSingleEntrySearchRequest ( dn , OU_ATTR ) ) ; entryExists = true ; } catch ( EntryNotFoundException e ) { debug . warning ( "SMSLdapObject:entryExists: {} does not exist" , dn ) ; } catch ( LdapException e ) { throw new SMSException ( "Unable to find entry with DN: " + dn , e , IUMSConstants . SMS_LDAP_OPERATION_FAILED ) ; } return entryExists ; }
target:  Checks if the provided DN exists.