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 javafx.css.converter;
  27 
  28 import javafx.css.ParsedValue;
  29 import javafx.css.StyleConverter;
  30 import javafx.scene.text.Font;
  31 
  32 /**
  33  * @since 9
  34  */
  35 public final class BooleanConverter extends StyleConverter<String, Boolean> {
  36 
  37     // lazy, thread-safe instatiation
  38     private static class Holder {
  39         static final BooleanConverter INSTANCE = new BooleanConverter();
  40     }
  41 
  42     public static StyleConverter<String, Boolean> getInstance() {
  43         return Holder.INSTANCE;
  44     }
  45 
  46     private BooleanConverter() {
  47         super();
  48     }
  49 
  50     @Override
  51     public Boolean convert(ParsedValue<String, Boolean> value, Font not_used) {
  52         String str = value.getValue();
  53         return Boolean.valueOf(str);
  54     }
  55 
  56     @Override
  57     public String toString() {
  58         return "BooleanConverter";
  59     }
  60 }