KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > jfree > chart > axis > NumberTickUnit


1 /* ===========================================================
2  * JFreeChart : a free chart library for the Java(tm) platform
3  * ===========================================================
4  *
5  * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
6  *
7  * Project Info: http://www.jfree.org/jfreechart/index.html
8  *
9  * This library is free software; you can redistribute it and/or modify it
10  * under the terms of the GNU Lesser General Public License as published by
11  * the Free Software Foundation; either version 2.1 of the License, or
12  * (at your option) any later version.
13  *
14  * This library is distributed in the hope that it will be useful, but
15  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
16  * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
17  * License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public License
20  * along with this library; if not, write to the Free Software Foundation,
21  * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
22  *
23  * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
24  * in the United States and other countries.]
25  *
26  * -------------------
27  * NumberTickUnit.java
28  * -------------------
29  * (C) Copyright 2001-2005, by Object Refinery Limited.
30  *
31  * Original Author: David Gilbert (for Object Refinery Limited);
32  * Contributor(s): -;
33  *
34  * $Id: NumberTickUnit.java,v 1.3 2005/05/19 13:58:11 mungady Exp $
35  *
36  * Changes (from 19-Dec-2001)
37  * --------------------------
38  * 19-Dec-2001 : Added standard header (DG);
39  * 01-May-2002 : Updated for changed to TickUnit class (DG);
40  * 01-Oct-2002 : Fixed errors reported by Checkstyle (DG);
41  * 08-Nov-2002 : Moved to new package com.jrefinery.chart.axis (DG);
42  * 09-Jan-2002 : Added a new constructor (DG);
43  * 26-Mar-2003 : Implemented Serializable (DG);
44  *
45  */
46
47 package org.jfree.chart.axis;
48
49 import java.io.Serializable JavaDoc;
50 import java.text.NumberFormat JavaDoc;
51
52 /**
53  * A numerical tick unit.
54  */
55 public class NumberTickUnit extends TickUnit implements Serializable JavaDoc {
56
57     /** For serialization. */
58     private static final long serialVersionUID = 3849459506627654442L;
59     
60     /** A formatter for the tick unit. */
61     private NumberFormat JavaDoc formatter;
62
63     /**
64      * Creates a new number tick unit.
65      *
66      * @param size the size of the tick unit.
67      */
68     public NumberTickUnit(double size) {
69         this(size, NumberFormat.getNumberInstance());
70     }
71
72     /**
73      * Creates a new number tick unit.
74      *
75      * @param size the size of the tick unit.
76      * @param formatter a number formatter for the tick unit.
77      */
78     public NumberTickUnit(double size, NumberFormat JavaDoc formatter) {
79         super(size);
80         this.formatter = formatter;
81     }
82
83     /**
84      * Converts a value to a string.
85      *
86      * @param value the value.
87      *
88      * @return The formatted string.
89      */
90     public String JavaDoc valueToString(double value) {
91         return this.formatter.format(value);
92     }
93
94 }
95
Popular Tags