From: Jan P. <jp...@us...> - 2006-02-17 18:44:20
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Update of /cvsroot/e-p-i-c/org.epic.debug/src/org/epic/debug/util In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv14138/src/org/epic/debug/util Modified Files: OutputStreamMonitor.java Added Files: ListenerList.java Log Message: Switched to a local copy of ListenerList to get rid of a compilation problem in Eclipse 3.2M4. --- NEW FILE: ListenerList.java --- /******************************************************************************* * Copyright (c) 2000, 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 *******************************************************************************/ package org.epic.debug.util; // TODO: this class was copied from org.eclipse.debug.internal.core.ListenerList // in order to make it possible to compile and run org.epic.debug in Eclipse 3.2M4. // It might make more sense to switch in the future to the 3.2 implementation of // org.eclipse.core.runtime.ListenerList, which is what the 3.2 JDT Debug // plug-in uses internally. /** * Local version of org.eclipse.jface.util.ListenerList (modified)s */ class ListenerList { /** * The current number of listeners. * Maintains invariant: 0 <= fSize <= listeners.length. */ private int fSize; /** * The list of listeners. Initially <code>null</code> but initialized * to an array of size capacity the first time a listener is added. * Maintains invariant: listeners != null if and only if fSize != 0 */ private Object[] fListeners= null; /** * The empty array singleton instance, returned by getListeners() * when size == 0. */ private static final Object[] EmptyArray= new Object[0]; /** * Creates a listener list with the given initial capacity. * * @param capacity the number of listeners which this list can initially accept * without growing its internal representation; must be at least 1 */ public ListenerList(int capacity) { if (capacity < 1) { throw new IllegalArgumentException(); } fListeners= new Object[capacity]; fSize= 0; } /** * Adds a listener to the list. * Has no effect if an identical listener is already registered. * * @param listener a listener */ public synchronized void add(Object listener) { if (listener == null) { throw new IllegalArgumentException(); } // check for duplicates using identity for (int i= 0; i < fSize; ++i) { if (fListeners[i] == listener) { return; } } // grow array if necessary if (fSize == fListeners.length) { Object[] temp= new Object[(fSize * 2) + 1]; System.arraycopy(fListeners, 0, temp, 0, fSize); fListeners= temp; } fListeners[fSize++]= listener; } /** * Returns an array containing all the registered listeners. * The resulting array is unaffected by subsequent adds or removes. * If there are no listeners registered, the result is an empty array * singleton instance (no garbage is created). * Use this method when notifying listeners, so that any modifications * to the listener list during the notification will have no effect on the * notification itself. */ public synchronized Object[] getListeners() { if (fSize == 0) { return EmptyArray; } Object[] result= new Object[fSize]; System.arraycopy(fListeners, 0, result, 0, fSize); return result; } /** * Removes a listener from the list. * Has no effect if an identical listener was not already registered. * * @param listener a listener */ public synchronized void remove(Object listener) { if (listener == null) { throw new IllegalArgumentException(); } for (int i= 0; i < fSize; ++i) { if (fListeners[i] == listener) { if (--fSize == 0) { fListeners= new Object[1]; } else { if (i < fSize) { fListeners[i]= fListeners[fSize]; } fListeners[fSize]= null; } return; } } } /** * Removes all the listeners from the list. */ public synchronized void removeAll() { fListeners= new Object[0]; fSize= 0; } /** * Returns the number of registered listeners * * @return the number of registered listeners */ public int size() { return fSize; } } Index: OutputStreamMonitor.java =================================================================== RCS file: /cvsroot/e-p-i-c/org.epic.debug/src/org/epic/debug/util/OutputStreamMonitor.java,v retrieving revision 1.6 retrieving revision 1.7 diff -u -d -r1.6 -r1.7 --- OutputStreamMonitor.java 24 Jul 2005 17:58:59 -0000 1.6 +++ OutputStreamMonitor.java 17 Feb 2006 18:44:09 -0000 1.7 @@ -27,7 +27,6 @@ import org.eclipse.debug.core.model.IFlushableStreamMonitor; import org.eclipse.debug.core.model.IStreamMonitor; import org.eclipse.debug.internal.core.DebugCoreMessages; -import org.eclipse.debug.internal.core.ListenerList; /** * Monitors the output stream of a system process and notifies listeners of |