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