1 /* 2 * Copyright (c) 2011, 2015, 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 com.sun.javafx.util.Utils; 29 import javafx.css.ParsedValue; 30 import javafx.css.StyleConverter; 31 import javafx.scene.text.Font; 32 33 /** 34 * String type converts embedded unicode characters 35 * 36 * @since 9 37 */ 38 public final class StringConverter extends StyleConverter<String, String> { 39 40 // lazy, thread-safe instatiation 41 private static class Holder { 42 static final StringConverter INSTANCE = new StringConverter(); 43 static final SequenceConverter SEQUENCE_INSTANCE = new SequenceConverter(); 44 } 45 46 public static StyleConverter<String, String> getInstance() { 47 return Holder.INSTANCE; 48 } 49 50 private StringConverter() { 51 super(); 52 } 53 54 @Override 55 public String convert(ParsedValue<String, String> value, Font font) { 56 String string = value.getValue(); 57 if (string == null) { 58 return null; 59 } // escaping for those 60 return Utils.convertUnicode(string); 61 } 62 63 @Override 64 public String toString() { 65 return "StringConverter"; 66 } 67 68 public static final class SequenceConverter extends StyleConverter<ParsedValue<String, String>[], String[]> { 69 70 71 public static SequenceConverter getInstance() { 72 return Holder.SEQUENCE_INSTANCE; 73 } 74 75 private SequenceConverter() { 76 super(); 77 } 78 79 @Override 80 public String[] convert(ParsedValue<ParsedValue<String, String>[], String[]> value, Font font) { 81 ParsedValue<String, String>[] layers = value.getValue(); 82 String[] strings = new String[layers.length]; 83 for (int layer = 0; layer < layers.length; layer++) { 84 strings[layer] = StringConverter.getInstance().convert(layers[layer], font); 85 } 86 return strings; 87 } 88 89 @Override 90 public String toString() { 91 return "String.SequenceConverter"; 92 } 93 } 94 95 }