01: /*
02: * Copyright (C) 2004 NNL Technology AB
03: * Visit www.infonode.net for information about InfoNode(R)
04: * products and how to contact NNL Technology AB.
05: *
06: * This program is free software; you can redistribute it and/or
07: * modify it under the terms of the GNU General Public License
08: * as published by the Free Software Foundation; either version 2
09: * of the License, or (at your option) any later version.
10: *
11: * This program is distributed in the hope that it will be useful,
12: * but WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14: * GNU General Public License for more details.
15: *
16: * You should have received a copy of the GNU General Public License
17: * along with this program; if not, write to the Free Software
18: * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
19: * MA 02111-1307, USA.
20: */
21:
22: // $Id: FixedColorProvider.java,v 1.7 2005/02/16 11:28:10 jesper Exp $
23: package net.infonode.gui.colorprovider;
24:
25: import java.awt.*;
26: import java.io.ObjectStreamException;
27: import java.io.Serializable;
28:
29: /**
30: * A {@link ColorProvider} which always returns the same color.
31: *
32: * @author $Author: jesper $
33: * @version $Revision: 1.7 $
34: */
35: public class FixedColorProvider extends AbstractColorProvider implements
36: Serializable {
37: private static final long serialVersionUID = 1;
38:
39: /**
40: * A provider for the color black.
41: */
42: public static final FixedColorProvider BLACK = new FixedColorProvider(
43: Color.BLACK);
44:
45: /**
46: * A provider for the color white.
47: */
48: public static final FixedColorProvider WHITE = new FixedColorProvider(
49: Color.WHITE);
50:
51: private final Color color;
52:
53: /**
54: * Constructor.
55: *
56: * @param color the color which this provider will return
57: */
58: public FixedColorProvider(Color color) {
59: this .color = color;
60: }
61:
62: public Color getColor() {
63: return color;
64: }
65:
66: protected Object readResolve() throws ObjectStreamException {
67: return color.equals(Color.BLACK) ? BLACK : this;
68: }
69:
70: }
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