question: public String toString ( ) { StringBuffer s = new StringBuffer ( ) ; if ( negative ) s . append ( "-" ) ; else s . append ( "+" ) ; if ( user instanceof Group ) s . append ( "Group." ) ; else s . append ( "User." ) ; s . append ( user + "=" ) ; Enumeration < Permission > e = permissions ( ) ; while ( e . hasMoreElements ( ) ) { Permission p = e . nextElement ( ) ; s . append ( p ) ; if ( e . hasMoreElements ( ) ) s . append ( "," ) ; } return new String ( s ) ; }
target:  Return a string representation of  the contents of the ACL entry.