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.Cursor;
  32 import javafx.scene.text.Font;
  33 
  34 public final class CursorConverter extends StyleConverterImpl<String, Cursor> {
  35 
  36     // lazy, thread-safe instatiation
  37     private static class Holder {
  38         static final CursorConverter INSTANCE = new CursorConverter();
  39     }
  40 
  41     public static StyleConverter<String, Cursor> getInstance() {
  42         return Holder.INSTANCE;
  43     }
  44 
  45     private CursorConverter() {
  46         super();
  47     }
  48 
  49     @Override
  50     public Cursor convert(ParsedValue<String, Cursor> value, Font not_used) {
  51 
  52         // the parser doesn't covert cusor, so convert it from the raw value
  53         String string = value.getValue();
  54 
  55         if (string != null) {
  56 
  57             int index = string.indexOf("Cursor.");
  58             if (index > -1) {
  59                 string = string.substring(index+"Cursor.".length());
  60             }
  61             string = string.replace('-','_').toUpperCase();
  62         }
  63 
  64         try {
  65             return Cursor.cursor(string);
  66         } catch (IllegalArgumentException | NullPointerException exception) {
  67             return Cursor.DEFAULT;
  68         }
  69     }
  70 
  71     @Override
  72     public String toString() {
  73         return "CursorConverter";
  74     }
  75 }