com.sun.javafx.css.converters.ColorConverter Maven / Gradle / Ivy
/*
* Copyright (c) 2011, 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.
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package com.sun.javafx.css.converters;
import com.sun.javafx.css.StyleConverterImpl;
import javafx.css.ParsedValue;
import javafx.css.StyleConverter;
import javafx.scene.paint.Color;
import javafx.scene.text.Font;
public final class ColorConverter extends StyleConverterImpl {
private static class Holder {
static ColorConverter COLOR_INSTANCE = new ColorConverter();
}
// lazy, thread-safe instatiation
public static StyleConverter getInstance() {
return Holder.COLOR_INSTANCE;
}
private ColorConverter() {
super();
}
@Override
public Color convert(ParsedValue value, Font font) {
String str = value.getValue();
if (str == null || str.isEmpty() || "null".equals(str)) {
return null;
}
try {
return Color.web(str);
} catch (final IllegalArgumentException e) {
// TODO: use logger here
System.err.println("not a color: " + value);
return Color.BLACK;
}
}
@Override
public String toString() {
return "ColorConverter";
}
}