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Diffstat (limited to 'libjava/java/awt/event/InvocationEvent.java')
| -rw-r--r-- | libjava/java/awt/event/InvocationEvent.java | 237 |
1 files changed, 0 insertions, 237 deletions
diff --git a/libjava/java/awt/event/InvocationEvent.java b/libjava/java/awt/event/InvocationEvent.java deleted file mode 100644 index 75feb62bd94..00000000000 --- a/libjava/java/awt/event/InvocationEvent.java +++ /dev/null @@ -1,237 +0,0 @@ -/* InvocationEvent.java -- call a runnable when dispatched - Copyright (C) 1999, 2002, 2004, 2005 Free Software Foundation, Inc. - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - - -package java.awt.event; - -import java.awt.AWTEvent; -import java.awt.ActiveEvent; -import java.awt.EventQueue; - -/** - * This event executes {@link Runnable#run()} of a target object when it is - * dispatched. This class is used by calls to <code>invokeLater</code> and - * <code>invokeAndWait</code>, so client code can use this fact to avoid - * writing special-casing AWTEventListener objects. - * - * @author Aaron M. Renn (arenn@urbanophile.com) - * @see ActiveEvent - * @see EventQueue#invokeLater(Runnable) - * @see EventQueue#invokeAndWait(Runnable) - * @see AWTEventListener - * @since 1.2 - * @status updated to 1.4 - */ -public class InvocationEvent extends AWTEvent implements ActiveEvent -{ - /** - * Compatible with JDK 1.2+. - */ - private static final long serialVersionUID = 436056344909459450L; - - /** This is the first id in the range of event ids used by this class. */ - public static final int INVOCATION_FIRST = 1200; - - /** This is the default id for this event type. */ - public static final int INVOCATION_DEFAULT = 1200; - - /** This is the last id in the range of event ids used by this class. */ - public static final int INVOCATION_LAST = 1200; - - /** - * This is the <code>Runnable</code> object to call when dispatched. - * - * @serial the runnable to execute - */ - protected Runnable runnable; - - /** - * This is the object to call <code>notifyAll()</code> on when - * the call to <code>run()</code> returns, or <code>null</code> if no - * object is to be notified. - * - * @serial the object to notify - */ - protected Object notifier; - - /** - * This variable is set to <code>true</code> if exceptions are caught - * and stored in a variable during the call to <code>run()</code>, otherwise - * exceptions are ignored and propagate up. - * - * @serial true to catch exceptions - */ - protected boolean catchExceptions; - - /** - * This is the caught exception thrown in the <code>run()</code> method. It - * is null if exceptions are ignored, the run method hasn't completed, or - * there were no exceptions. - * - * @serial the caught exception, if any - */ - private Exception exception; - - /** - * The timestamp when this event was created. - * - * @see #getWhen() - * @serial the timestamp - * @since 1.4 - */ - private final long when = EventQueue.getMostRecentEventTime(); - - /** - * Initializes a new instance of <code>InvocationEvent</code> with the - * specified source and runnable. - * - * @param source the source of the event - * @param runnable the <code>Runnable</code> object to invoke - * @throws IllegalArgumentException if source is null - */ - public InvocationEvent(Object source, Runnable runnable) - { - this(source, INVOCATION_DEFAULT, runnable, null, false); - } - - /** - * Initializes a new instance of <code>InvocationEvent</code> with the - * specified source, runnable, and notifier. It will also catch exceptions - * if specified. If notifier is non-null, this will call notifyAll() on - * the object when the runnable is complete. If catchExceptions is true, - * this traps any exception in the runnable, otherwise it lets the exception - * propagate up the Event Dispatch thread. - * - * @param source the source of the event - * @param runnable the <code>Runnable</code> object to invoke - * @param notifier the object to notify, or null - * @param catchExceptions true to catch exceptions from the runnable - */ - public InvocationEvent(Object source, Runnable runnable, Object notifier, - boolean catchExceptions) - { - this(source, INVOCATION_DEFAULT, runnable, notifier, catchExceptions); - } - - /** - * Initializes a new instance of <code>InvocationEvent</code> with the - * specified source, runnable, and notifier. It will also catch exceptions - * if specified. If notifier is non-null, this will call notifyAll() on - * the object when the runnable is complete. If catchExceptions is true, - * this traps any exception in the runnable, otherwise it lets the exception - * propagate up the Event Dispatch thread. Note that an invalid id leads to - * unspecified results. - * - * @param source the source of the event - * @param id the event id - * @param runnable the <code>Runnable</code> object to invoke - * @param notifier the object to notify, or null - * @param catchExceptions true to catch exceptions from the runnable - */ - protected InvocationEvent(Object source, int id, Runnable runnable, - Object notifier, boolean catchExceptions) - { - super(source, id); - this.runnable = runnable; - this.notifier = notifier; - this.catchExceptions = catchExceptions; - } - - /** - * This method calls the <code>run()</code> method of the runnable, traps - * exceptions if instructed to do so, and calls <code>notifyAll()</code> - * on any notifier if all worked successfully. - */ - public void dispatch() - { - if (catchExceptions) - try - { - runnable.run(); - } - catch (Exception e) - { - exception = e; - } - else - runnable.run(); - - Object o = notifier; - if (o != null) - synchronized(o) - { - o.notifyAll(); - } - } - - /** - * This method returns the exception that occurred during the execution of - * the runnable, or <code>null</code> if not exception was thrown or - * exceptions were not caught. - * - * @return the exception thrown by the runnable - */ - public Exception getException() - { - return exception; - } - - /** - * Gets the timestamp of when this event was created. - * - * @return the timestamp of this event - * @since 1.4 - */ - public long getWhen() - { - return when; - } - - /** - * This method returns a string identifying this event. This is formatted as: - * <code>"INVOCATION_DEFAULT,runnable=" + runnable + ",notifier=" + notifier - * + ",catchExceptions=" + catchExceptions + ",when=" + getWhen()</code>. - * - * @return a string identifying this event - */ - public String paramString() - { - return (id == INVOCATION_DEFAULT ? "INVOCATION_DEFAULT,runnable=" - : "unknown type,runnable=") + runnable + ",notifier=" + notifier - + ",catchExceptions=" + catchExceptions + ",when=" + when; - } -} // class InvocationEvent |