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Java > Open Source Codes > org > apache > james > nntpserver > NNTPException


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2  * Copyright (c) 2000-2004 The Apache Software Foundation. *
3  * All rights reserved. *
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5  * Licensed under the Apache License, Version 2.0 (the "License"); you *
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9  * http://www.apache.org/licenses/LICENSE-2.0 *
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11  * Unless required by applicable law or agreed to in writing, software *
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14  * implied. See the License for the specific language governing *
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17
18 package org.apache.james.nntpserver;
19
20 /**
21  * Exception Wrapper, like javax.servlet.ServletException.
22  * Purpose is to catch and wrap exceptions into unchecked NNTP specific.
23  * Protocol handler catches the exception and returns error info to client.
24  * Error Information is obtained by calling 'getMessage'
25  *
26  */
27 public class NNTPException extends RuntimeException JavaDoc {
28
29     /**
30      * The encapsulated Throwable
31      */
32     private final Throwable JavaDoc t;
33
34     /**
35      * Create an NNTPException with an error message and no
36      * encapsulated <code>Throwable</code>
37      *
38      * @param msg the error message for this exception
39      */
40     public NNTPException(String JavaDoc msg) {
41         super(msg);
42         this.t = null;
43     }
44
45     /**
46      * Create an NNTPException with an error message and an
47      * encapsulated <code>Throwable</code>
48      *
49      * @param msg the error message for this exception
50      * @param t the encapsulated <code>Throwable</code>
51      */
52     public NNTPException(String JavaDoc msg,Throwable JavaDoc t) {
53         super(msg+((t!=null)?": "+t.toString():""));
54         this.t = t;
55     }
56
57     /**
58      * Create an NNTPException with an
59      * encapsulated <code>Throwable</code>
60      *
61      * @param t the encapsulated <code>Throwable</code>
62      */
63     public NNTPException(Throwable JavaDoc t) {
64         super(t.toString());
65         this.t = t;
66     }
67 }
68
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