--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/org.eclipse.core.commands/src/org/eclipse/core/commands/IExecutionListener.d	Sat Mar 14 18:23:29 2009 +0100
@@ -0,0 +1,81 @@
+/*******************************************************************************
+ * Copyright (c) 2005 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ * Port to the D programming language:
+ *     Frank Benoit <benoit@tionex.de>
+ ******************************************************************************/
+
+module org.eclipse.core.commands.IExecutionListener;
+
+import org.eclipse.core.commands.NotHandledException;
+import org.eclipse.core.commands.ExecutionException;
+import org.eclipse.core.commands.ExecutionEvent;
+
+import java.lang.all;
+
+/**
+ * <p>
+ * A listener to the execution of commands. This listener will be notified if a
+ * command is about to execute, and when that execution completes. It is not
+ * possible for the listener to prevent the execution, only to respond to it in
+ * some way.
+ * </p>
+ *
+ * @since 3.1
+ */
+public interface IExecutionListener {
+
+    /**
+     * Notifies the listener that an attempt was made to execute a command with
+     * no handler.
+     *
+     * @param commandId
+     *            The identifier of command that is not handled; never
+     *            <code>null</code>
+     * @param exception
+     *            The exception that occurred; never <code>null</code>.
+     */
+    public void notHandled(String commandId, NotHandledException exception);
+
+    /**
+     * Notifies the listener that a command has failed to complete execution.
+     *
+     * @param commandId
+     *            The identifier of the command that has executed; never
+     *            <code>null</code>.
+     * @param exception
+     *            The exception that occurred; never <code>null</code>.
+     */
+    public void postExecuteFailure(String commandId,
+            ExecutionException exception);
+
+    /**
+     * Notifies the listener that a command has completed execution
+     * successfully.
+     *
+     * @param commandId
+     *            The identifier of the command that has executed; never
+     *            <code>null</code>.
+     * @param returnValue
+     *            The return value from the command; may be <code>null</code>.
+     */
+    public void postExecuteSuccess(String commandId, Object returnValue);
+
+    /**
+     * Notifies the listener that a command is about to execute.
+     *
+     * @param commandId
+     *            The identifier of the command that is about to execute, never
+     *            <code>null</code>.
+     * @param event
+     *            The event that will be passed to the <code>execute</code>
+     *            method; never <code>null</code>.
+     */
+    public void preExecute(String commandId, ExecutionEvent event);
+}