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Java > Open Source Codes > org > krysalis > barcode > output > AbstractXMLGeneratingCanvasProvider


1 /*
2  * $Id: AbstractXMLGeneratingCanvasProvider.java,v 1.4 2003/07/14 08:25:52 jmaerki Exp $
3  * ============================================================================
4  * The Krysalis Patchy Software License, Version 1.1_01
5  * Copyright (c) 2002-2003 Nicola Ken Barozzi. All rights reserved.
6  *
7  * This Licence is compatible with the BSD licence as described and
8  * approved by http://www.opensource.org/, and is based on the
9  * Apache Software Licence Version 1.1.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  *
15  * 1. Redistributions of source code must retain the above copyright
16  * notice, this list of conditions and the following disclaimer.
17  *
18  * 2. Redistributions in binary form must reproduce the above copyright
19  * notice, this list of conditions and the following disclaimer in
20  * the documentation and/or other materials provided with the
21  * distribution.
22  *
23  * 3. The end-user documentation included with the redistribution,
24  * if any, must include the following acknowledgment:
25  * "This product includes software developed for project
26  * Krysalis (http://www.krysalis.org/)."
27  * Alternately, this acknowledgment may appear in the software itself,
28  * if and wherever such third-party acknowledgments normally appear.
29  *
30  * 4. The names "Krysalis" and "Nicola Ken Barozzi" and
31  * "Krysalis Barcode" must not be used to endorse or promote products
32  * derived from this software without prior written permission. For
33  * written permission, please contact nicolaken@krysalis.org.
34  *
35  * 5. Products derived from this software may not be called "Krysalis",
36  * "Krysalis Barcode", nor may "Krysalis" appear in their name,
37  * without prior written permission of Nicola Ken Barozzi.
38  *
39  * 6. This software may contain voluntary contributions made by many
40  * individuals, who decided to donate the code to this project in
41  * respect of this licence, and was originally created by
42  * Jeremias Maerki <jeremias@maerki.org>.
43  *
44  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
45  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
46  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
47  * DISCLAIMED. IN NO EVENT SHALL THE KRYSALIS PROJECT OR
48  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
49  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
50  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
51  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
52  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
53  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
54  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
55  * SUCH DAMAGE.
56  * ====================================================================
57  */

58 package org.krysalis.barcode.output;
59
60 import java.text.DecimalFormat JavaDoc;
61 import java.text.DecimalFormatSymbols JavaDoc;
62
63 /**
64  * Abstract base class that provides some commonly used methods for
65  * generating XML representations of barcodes.
66  *
67  * @author Jeremias Maerki
68  */

69 public abstract class AbstractXMLGeneratingCanvasProvider
70         extends AbstractCanvasProvider {
71
72     private DecimalFormat JavaDoc df;
73
74     /**
75      * Returns the DecimalFormat instance to use internally to format numbers.
76      * @return a DecimalFormat instance
77      */

78     protected DecimalFormat JavaDoc getDecimalFormat() {
79         if (this.df == null) {
80             DecimalFormatSymbols JavaDoc dfs = new DecimalFormatSymbols JavaDoc();
81             dfs.setDecimalSeparator('.');
82             this.df = new DecimalFormat JavaDoc("0.####", dfs);
83         }
84         return this.df;
85     }
86
87     /**
88      * Formats a value and adds the unit specifier at the end.
89      * @param value the value to format
90      * @return the formatted value
91      */

92     protected String JavaDoc addUnit(double value) {
93         return getDecimalFormat().format(value) + "mm"; //was mm
94
}
95
96 }
97
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