1 /* 2 * Copyright (c) 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 javafx.css.converter; 27 28 import javafx.css.Size; 29 import javafx.css.ParsedValue; 30 import javafx.css.StyleConverter; 31 import javafx.scene.text.Font; 32 import javafx.util.Duration; 33 34 /** 35 * Convert a Size to Duration 36 * 37 * @since 9 38 */ 39 public final class DurationConverter extends StyleConverter<ParsedValue<?, Size>, Duration> { 40 41 // lazy, thread-safe instatiation 42 private static class Holder { 43 static final DurationConverter INSTANCE = new DurationConverter(); 44 } 45 46 public static StyleConverter<ParsedValue<?, Size>, Duration> getInstance() { 47 return Holder.INSTANCE; 48 } 49 50 private DurationConverter() { 51 super(); 52 } 53 54 @Override 55 public Duration convert(ParsedValue<ParsedValue<?, Size>, Duration> value, Font font) { 56 ParsedValue<?, Size> parsedValue = value.getValue(); 57 Size size = parsedValue.convert(font); 58 double time = size.getValue(); 59 Duration duration = null; 60 if (time < Double.POSITIVE_INFINITY) { 61 switch (size.getUnits()) { 62 case S: duration = Duration.seconds(time); break; 63 case MS: duration = Duration.millis(time); break; 64 default: duration = Duration.UNKNOWN; 65 } 66 } else { 67 duration = Duration.INDEFINITE; 68 } 69 return duration; 70 } 71 72 @Override 73 public String toString() { 74 return "DurationConverter"; 75 } 76 77 }