/*
* Geotoolkit.org - An Open Source Java GIS Toolkit
* http://www.geotoolkit.org
*
* (C) 2008-2012, Open Source Geospatial Foundation (OSGeo)
* (C) 2009-2012, Geomatys
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*/
package org.geotoolkit.factory;
import java.util.Map;
import java.awt.RenderingHints;
/**
* An immutable empty set of hints.
*
* @author Martin Desruisseaux (IRD)
* @version 3.00
*
* @since 2.4
* @module
*/
final class EmptyHints extends Hints {
/**
* Creates an empty instance.
*/
EmptyHints() {
super(false);
}
/**
* Unsupported operation.
*/
@Override
public void add(RenderingHints hints) {
throw new UnsupportedOperationException();
}
/**
* Unsupported operation.
*/
@Override
public Object put(Object key, Object value) {
throw new UnsupportedOperationException();
}
/**
* Unsupported operation.
*/
@Override
public void putAll(Map<?,?> map) {
throw new UnsupportedOperationException();
}
/**
* Returns a modifiable copy.
*/
@Override
public Hints clone() {
return new Hints(false);
}
}