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19
20
21
22 package org.apache.james.nntpserver;
23
24 /**
25 * Exception Wrapper, like javax.servlet.ServletException.
26 * Purpose is to catch and wrap exceptions into unchecked NNTP specific.
27 * Protocol handler catches the exception and returns error info to client.
28 * Error Information is obtained by calling 'getMessage'
29 *
30 */
31 public class NNTPException extends RuntimeException {
32
33 /**
34 * The encapsulated Throwable
35 */
36 private final Throwable t;
37
38 /**
39 * Create an NNTPException with an error message and no
40 * encapsulated <code>Throwable</code>
41 *
42 * @param msg the error message for this exception
43 */
44 public NNTPException(String msg) {
45 super(msg);
46 this.t = null;
47 }
48
49 /**
50 * Create an NNTPException with an error message and an
51 * encapsulated <code>Throwable</code>
52 *
53 * @param msg the error message for this exception
54 * @param t the encapsulated <code>Throwable</code>
55 */
56 public NNTPException(String msg,Throwable t) {
57 super(msg+((t!=null)?": "+t.toString():""));
58 this.t = t;
59 }
60
61 /**
62 * Create an NNTPException with an
63 * encapsulated <code>Throwable</code>
64 *
65 * @param t the encapsulated <code>Throwable</code>
66 */
67 public NNTPException(Throwable t) {
68 super(t.toString());
69 this.t = t;
70 }
71 }