1 /* 2 * Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package com.sun.javafx.css.converters; 27 28 import com.sun.javafx.css.StyleConverterImpl; 29 import javafx.css.ParsedValue; 30 import javafx.css.StyleConverter; 31 import javafx.scene.paint.Color; 32 import javafx.scene.text.Font; 33 34 public final class ColorConverter extends StyleConverterImpl<String, Color> { 35 36 private static class Holder { 37 static final ColorConverter COLOR_INSTANCE = new ColorConverter(); 38 } 39 40 // lazy, thread-safe instatiation 41 public static StyleConverter<String, Color> getInstance() { 42 return Holder.COLOR_INSTANCE; 43 } 44 45 private ColorConverter() { 46 super(); 47 } 48 49 @Override 50 public Color convert(ParsedValue<String, Color> value, Font font) { 51 Object val = value.getValue(); 52 if (val == null) { 53 return null; 54 } 55 if (val instanceof Color) { 56 return (Color)val; 57 } 58 if (val instanceof String) { 59 String str = (String)val; 60 if (str.isEmpty() || "null".equals(str)) { 61 return null; 62 } 63 try { 64 return Color.web((String)val); 65 } catch (IllegalArgumentException iae) { 66 // fall through pending RT-34551 67 } 68 } 69 // pending RT-34551 70 System.err.println("not a color: " + value); 71 return Color.BLACK; 72 } 73 74 @Override 75 public String toString() { 76 return "ColorConverter"; 77 } 78 }