/*
 * Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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 */

package com.sun.javafx.css.parser;

import com.sun.javafx.css.StyleConverterImpl;
import javafx.css.ParsedValue;
import javafx.scene.paint.Color;
import javafx.scene.paint.Stop;
import javafx.scene.text.Font;

public final class LadderConverter extends StyleConverterImpl<ParsedValue[], Color> {

    // lazy, thread-safe instatiation
    private static class Holder {
        static final LadderConverter INSTANCE = new LadderConverter();
    }

    public static LadderConverter getInstance() {
        return Holder.INSTANCE;
    }

    private LadderConverter() {
        super();
    }

    @Override
    public Color convert(ParsedValue<ParsedValue[], Color> value, Font font) {
        final ParsedValue[] values = value.getValue();
        final Color color = (Color) values[0].convert(font);
        Stop[] stops = new Stop[values.length - 1];
        for (int v = 1; v < values.length; v++) {
            stops[v - 1] = (Stop) values[v].convert(font);
        }
        return com.sun.javafx.util.Utils.ladder(color, stops);
    }

    @Override
    public String toString() {
        return "LadderConverter";
    }
}