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annotate 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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children ea8ff534f622
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6518c18a01f7 eclipse.core package without osgi dependencies
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1 /*******************************************************************************
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2 * Copyright (c) 2004, 2005 IBM Corporation and others.
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3 * All rights reserved. This program and the accompanying materials
6518c18a01f7 eclipse.core package without osgi dependencies
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4 * are made available under the terms of the Eclipse Public License v1.0
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5 * which accompanies this distribution, and is available at
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6 * http://www.eclipse.org/legal/epl-v10.html
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7 *
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8 * Contributors:
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9 * IBM Corporation - initial API and implementation
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10 * Port to the D programming language:
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11 * Frank Benoit <benoit@tionex.de>
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12 *******************************************************************************/
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13 module dwtx.core.commands.common.CommandException;
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15 import dwt.dwthelper.utils;
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16
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17 /**
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18 * Signals that an exception occured within the command architecture.
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19 * <p>
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20 * This class is not intended to be extended by clients.
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21 * </p>
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22 *
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23 * @since 3.1
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24 */
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25 public abstract class CommandException : Exception {
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26
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27 /**
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28 * This member variable is required here to allow us to compile against JCL
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29 * foundation libraries. The value may be <code>null</code>.
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30 */
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31 private Exception cause;
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32
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33 /**
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34 * Creates a new instance of this class with the specified detail message.
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35 *
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36 * @param message
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37 * the detail message; may be <code>null</code>.
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38 */
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39 public this(String message) {
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40 super(message);
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41 }
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42
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43 /**
6518c18a01f7 eclipse.core package without osgi dependencies
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44 * Creates a new instance of this class with the specified detail message
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45 * and cause.
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46 *
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47 * @param message
6518c18a01f7 eclipse.core package without osgi dependencies
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48 * the detail message; may be <code>null</code>.
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49 * @param cause
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50 * the cause; may be <code>null</code>.
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51 */
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52 public this(String message, Exception cause) {
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53 super(message);
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54 // don't pass the cause to super, to allow compilation against JCL Foundation
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55 this.cause = cause;
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56 }
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57
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58 /**
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59 * Returns the cause of this throwable or <code>null</code> if the
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60 * cause is nonexistent or unknown.
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61 *
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62 * @return the cause or <code>null</code>
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63 */
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64 public Exception getCause() {
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65 return cause;
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66 }
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67
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68 }