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/interpreter/tags/at2dist220411/src/edu/vub/at/actors/net/comm/NetworkException.java

http://ambienttalk.googlecode.com/
Java | 63 lines | 22 code | 8 blank | 33 comment | 3 complexity | 6171ed5dda45f9607d89d3c47f720479 MD5 | raw file
 1/**
 2 * AmbientTalk/2 Project
 3 * NetworkException.java created on 2-apr-2007 at 19:35:35
 4 * (c) Programming Technology Lab, 2006 - 2007
 5 * Authors: Tom Van Cutsem & Stijn Mostinckx
 6 * 
 7 * Permission is hereby granted, free of charge, to any person
 8 * obtaining a copy of this software and associated documentation
 9 * files (the "Software"), to deal in the Software without
10 * restriction, including without limitation the rights to use,
11 * copy, modify, merge, publish, distribute, sublicense, and/or
12 * sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following
14 * conditions:
15 *
16 * The above copyright notice and this permission notice shall be
17 * included in all copies or substantial portions of the Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
20 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
21 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
22 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
23 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
24 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
25 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
26 * OTHER DEALINGS IN THE SOFTWARE.
27 */
28package edu.vub.at.actors.net.comm;
29
30
31/**
32 * Raised when a VM command object could not properly be sent to its destination
33 * or when the communication bus could not connect to the network.
34 * 
35 * @author tvcutsem
36 */
37public class NetworkException extends Exception {
38
39	private final Exception cause_;
40	
41	public NetworkException(String msg) {
42		super(msg);
43		cause_ = null;
44	}
45
46	public NetworkException(String msg, Exception cause) {
47		super(msg);
48		cause_ = cause;
49	}
50	
51	public Throwable getCause() {
52		return cause_;
53	}
54	
55	public String getMessage() {
56		if (cause_ == null) {
57			return super.getMessage();
58		} else {
59			return super.getMessage() + " caused by: " + cause_.getMessage();
60		}
61	}
62
63}