public Enumeration getInitParameterNames() {
        final LinkedList<String> keys = new LinkedList<String>(_parameters.keySet());
        return new Enumeration() {

            public boolean hasMoreElements() {
                return keys.isEmpty();
            }

            public Object nextElement() {
                return keys.pop();
            }
        };
    }
public Enumeration getInitParameterNames ( ) { final LinkedList < String > keys = new LinkedList < String > ( _parameters . keySet ( ) ) ; return new Enumeration ( ) { public boolean hasMoreElements ( ) { return keys . isEmpty ( ) ; } public Object nextElement ( ) { return keys . pop ( ) ; } } ; }
Returns the names of the filter's initialization parameters
as an <code>Enumeration</code> of <code>String</code> objects,
or an empty <code>Enumeration</code> if the filter has
no initialization parameters.
@return an <code>Enumeration</code> of <code>String</code>
objects containing the names of the filter's
initialization parameters