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comparison dwtx/core/commands/common/CommandException.d @ 3:6518c18a01f7

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eclipse.core package without osgi dependencies
author Frank Benoit <benoit@tionex.de>
date Wed, 26 Mar 2008 00:57:19 +0100
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2:a012107a911c 3:6518c18a01f7
1 /*******************************************************************************
2 * Copyright (c) 2004, 2005 IBM Corporation and others.
3 * All rights reserved. This program and the accompanying materials
4 * are made available under the terms of the Eclipse Public License v1.0
5 * which accompanies this distribution, and is available at
6 * http://www.eclipse.org/legal/epl-v10.html
7 *
8 * Contributors:
9 * IBM Corporation - initial API and implementation
10 * Port to the D programming language:
11 * Frank Benoit <benoit@tionex.de>
12 *******************************************************************************/
13 module dwtx.core.commands.common.CommandException;
14
15 import dwt.dwthelper.utils;
16
17 /**
18 * Signals that an exception occured within the command architecture.
19 * <p>
20 * This class is not intended to be extended by clients.
21 * </p>
22 *
23 * @since 3.1
24 */
25 public abstract class CommandException : Exception {
26
27 /**
28 * This member variable is required here to allow us to compile against JCL
29 * foundation libraries. The value may be <code>null</code>.
30 */
31 private Exception cause;
32
33 /**
34 * Creates a new instance of this class with the specified detail message.
35 *
36 * @param message
37 * the detail message; may be <code>null</code>.
38 */
39 public this(String message) {
40 super(message);
41 }
42
43 /**
44 * Creates a new instance of this class with the specified detail message
45 * and cause.
46 *
47 * @param message
48 * the detail message; may be <code>null</code>.
49 * @param cause
50 * the cause; may be <code>null</code>.
51 */
52 public this(String message, Exception cause) {
53 super(message);
54 // don't pass the cause to super, to allow compilation against JCL Foundation
55 this.cause = cause;
56 }
57
58 /**
59 * Returns the cause of this throwable or <code>null</code> if the
60 * cause is nonexistent or unknown.
61 *
62 * @return the cause or <code>null</code>
63 */
64 public Exception getCause() {
65 return cause;
66 }
67
68 }