/* ========================================================================
 * PlantUML : a free UML diagram generator
 * ========================================================================
 *
 * (C) Copyright 2009-2020, Arnaud Roques
 *
 * Project Info:  http://plantuml.com
 * 
 * If you like this project or if you find it useful, you can support us at:
 * 
 * http://plantuml.com/patreon (only 1$ per month!)
 * http://plantuml.com/paypal
 * 
 * This file is part of PlantUML.
 *
 * PlantUML is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * PlantUML 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 General Public
 * License for more details.
 *
 * You should have received a copy of the GNU General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
 * USA.
 *
 *
 * Original Author:  Arnaud Roques
 *
 *
 */
package net.sourceforge.plantuml.style;

import java.awt.Font;

import net.sourceforge.plantuml.graphic.HorizontalAlignment;
import net.sourceforge.plantuml.graphic.HtmlColor;
import net.sourceforge.plantuml.graphic.HtmlColorUtils;
import net.sourceforge.plantuml.graphic.IHtmlColorSet;

public class ValueNull extends ValueAbstract implements Value {

	public static final Value NULL = new ValueNull();

	private ValueNull() {
	}

	@Override
	public int asInt() {
		return 0;
	}

	@Override
	public double asDouble() {
		return 0;
	}

	@Override
	public boolean asBoolean() {
		return false;
	}

	@Override
	public String asString() {
		return "";
	}

	@Override
	public int asFontStyle() {
		return Font.PLAIN;
	}

	@Override
	public HtmlColor asColor(IHtmlColorSet set) {
		return HtmlColorUtils.BLACK;
	}

	@Override
	public HorizontalAlignment asHorizontalAlignment() {
		return HorizontalAlignment.LEFT;
	}

}