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


1 /* Copyright 2002, 2003 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.io.IOException JavaDoc;
25
26 import nu.xom.Builder;
27 import nu.xom.ParsingException;
28 import nu.xom.ValidityException;
29
30 /**
31  * <p>
32  * Demonstrates validation via the <code>Builder</code> class.
33  * </p>
34  *
35  * @author Elliotte Rusty Harold
36  * @version 1.0
37  *
38  */
39 public class Validator {
40
41   public static void main(String JavaDoc[] args) {
42   
43     if (args.length <= 0) {
44       System.out.println("Usage: java nu.xom.samples.Validator URL");
45       return;
46     }
47     
48     try {
49       Builder parser = new Builder(true);
50       parser.build(args[0]);
51       System.out.println(args[0] + " is valid.");
52     }
53     catch (ValidityException ex) {
54       System.out.println(args[0] + " is not valid.");
55       System.out.println(ex.getMessage());
56       System.out.println(" at line " + ex.getLineNumber()
57         + ", column " + ex.getColumnNumber());
58     }
59     catch (ParsingException ex) {
60       System.out.println(args[0] + " is not well-formed.");
61       System.out.println(ex.getMessage());
62       System.out.println(" at line " + ex.getLineNumber()
63         + ", column " + ex.getColumnNumber());
64     }
65     catch (IOException JavaDoc ex) {
66       System.out.println(
67        "Due to an IOException, the parser could not check "
68        + args[0]
69       );
70     }
71   
72   }
73
74 }
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