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Java > Open Source Codes > nu > xom > samples > MathMLFibonacci


1 /* Copyright 2002-2004 Elliotte Rusty Harold
2    
3    This library is free software; you can redistribute it and/or modify
4    it under the terms of version 2.1 of the GNU Lesser General Public
5    License as published by the Free Software Foundation.
6    
7    This library is distributed in the hope that it will be useful,
8    but WITHOUT ANY WARRANTY; without even the implied warranty of
9    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10    GNU Lesser General Public License for more details.
11    
12    You should have received a copy of the GNU Lesser General Public
13    License along with this library; if not, write to the
14    Free Software Foundation, Inc., 59 Temple Place, Suite 330,
15    Boston, MA 02111-1307 USA
16    
17    You can contact Elliotte Rusty Harold by sending e-mail to
18    elharo@metalab.unc.edu. Please include the word "XOM" in the
19    subject line. The XOM home page is located at http://www.xom.nu/
20 */
21
22 package nu.xom.samples;
23
24 import java.math.BigInteger JavaDoc;
25
26 import nu.xom.Document;
27 import nu.xom.Element;
28
29 /**
30  *
31  * <p>
32  * Demonstrates the creation and serialization of a
33  * MathML document
34  * that uses namespaces and namespace prefixes.
35  * </p>
36  *
37  * @author Elliotte Rusty Harold
38  * @version 1.0
39  *
40  */
41 public class MathMLFibonacci {
42
43     public static void main(String JavaDoc[] args) {
44    
45         BigInteger JavaDoc low = BigInteger.ONE;
46         BigInteger JavaDoc high = BigInteger.ONE;
47
48 /* <mathml:math xmlns:mathml="http://www.w3.org/1998/Math/MathML">
49   <mathml:mrow>
50     <mathml:mi>f(1)</mathml:mi>
51     <mathml:mo>=</mathml:mo>
52     <mathml:mn>1</mathml:mn>
53   </mathml:mrow> */
54         String JavaDoc namespace = "http://www.w3.org/1998/Math/MathML";
55         Element root = new Element("mathml:math", namespace);
56         for (int i = 1; i <= 10; i++) {
57             Element mrow = new Element("mathml:mrow", namespace);
58             Element mi = new Element("mathml:mi", namespace);
59             Element mo = new Element("mathml:mo", namespace);
60             Element mn = new Element("mathml:mn", namespace);
61             mrow.appendChild(mi);
62             mrow.appendChild(mo);
63             mrow.appendChild(mn);
64             root.appendChild(mrow);
65             mi.appendChild("f(" + i + ")");
66             mo.appendChild("=");
67             mn.appendChild(low.toString());
68         
69             BigInteger JavaDoc temp = high;
70             high = high.add(low);
71             low = temp;
72         }
73         Document doc = new Document(root);
74         System.out.println(doc.toXML());
75
76     }
77
78 }
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