public Enumeration getFieldNames ( ) { return new Enumeration ( ) { int i = 0 ; Field field = null ; public boolean hasMoreElements ( ) { if ( field != null ) return true ; while ( i < _fields . size ( ) ) { Field f = ( Field ) _fields . get ( i ++ ) ; if ( f != null && f . _version == _version && f . _prev == null ) { field = f ; return true ; } } return false ; } public Object nextElement ( ) throws NoSuchElementException { if ( field != null || hasMoreElements ( ) ) { String n = field . _info . _name ; field = null ; return n ; } throw new NoSuchElementException ( ) ; } } ; }
Get enumeration of header _names . Returns an enumeration of strings representing the header _names for this request .