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Java > Open Source Codes > gnu > xquery > util > XQException


1 package gnu.xquery.util;
2 import gnu.mapping.*;
3
4 public class XQException extends RuntimeException JavaDoc
5 {
6
7   public Symbol code;
8   public String JavaDoc description;
9   public Object JavaDoc errorValue;
10
11   public XQException (Symbol code, String JavaDoc description, Object JavaDoc errorValue)
12   {
13     super(description);
14     this.code = code;
15     this.description = description;
16     this.errorValue = errorValue;
17   }
18
19   public static Symbol FOER0000_QNAME
20   = Symbol.make("http://www.w3.org/2005/xqt-errors", "FOER0000", "err");
21
22   public static void error ()
23   {
24     throw new XQException(FOER0000_QNAME, null, null);
25   }
26
27   public static void error (Symbol error)
28   {
29     throw new XQException(error, null, null);
30   }
31
32   public static void error (Object JavaDoc error, String JavaDoc description)
33   {
34     if (error == null || error == Values.empty)
35       error = FOER0000_QNAME;
36     throw new XQException((Symbol) error, description, null);
37   }
38
39   public static void error (Object JavaDoc error, String JavaDoc description, Object JavaDoc errorValue)
40   {
41     if (error == null || error == Values.empty)
42       error = FOER0000_QNAME;
43      throw new XQException((Symbol) error, description, errorValue);
44   }
45
46   public String JavaDoc getMessage()
47   {
48     StringBuffer JavaDoc sbuf = new StringBuffer JavaDoc(100);
49     if (description == null)
50       sbuf.append("XQuery-error");
51     else
52       sbuf.append(description);
53     if (code != null)
54       {
55         sbuf.append(" [");
56         String JavaDoc prefix = code.getPrefix();
57         if (prefix != null && prefix.length() > 0)
58           {
59             sbuf.append(prefix);
60             sbuf.append(':');
61           }
62         sbuf.append(code.getLocalName());
63         sbuf.append(']');
64       }
65     if (errorValue != null && errorValue != Values.empty)
66       {
67         sbuf.append(" value: ");
68         sbuf.append(errorValue);
69       }
70     return sbuf.toString();
71   }
72 }
73
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