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This is a backport of OpenJFX 8 to run on Java 7.
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/*
 * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code 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 General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package com.sun.javafx.scene.layout.region;

import javafx.scene.layout.BorderStrokeStyle;
import javafx.scene.text.Font;
import javafx.css.ParsedValue;
import com.sun.javafx.css.StyleConverterImpl;

/**
 * User: richardbair
 * Date: 8/10/12
 * Time: 7:31 AM
 */
public final class BorderStrokeStyleSequenceConverter extends StyleConverterImpl[],BorderStrokeStyle[]> {
    /**
     * Convert an array of border style values to an array of BorderStyle which
     * contains one BorderStyle element per border (top, right, bottom, left).
     */
    private static final BorderStrokeStyleSequenceConverter BORDER_STYLE_SEQUENCE_CONVERTER =
            new BorderStrokeStyleSequenceConverter();

    public static BorderStrokeStyleSequenceConverter getInstance() {
        return BORDER_STYLE_SEQUENCE_CONVERTER;
    }

    private BorderStrokeStyleSequenceConverter() {
        super();
    }

    @Override
    public BorderStrokeStyle[] convert(ParsedValue[], BorderStrokeStyle[]> value, Font font) {

        ParsedValue[] borders = value.getValue();
        BorderStrokeStyle[] styles = new BorderStrokeStyle[4];

        styles[0] = (borders.length > 0) ?
                borders[0].convert(font) : BorderStrokeStyle.SOLID;

        styles[1] = (borders.length > 1) ?
                borders[1].convert(font) : styles[0];

        styles[2] = (borders.length > 2) ?
                borders[2].convert(font) : styles[0];

        styles[3] = (borders.length > 3) ?
                borders[3].convert(font) : styles[1];

        return styles;
    }

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

}