undefect. CWE-407 — 63 sites patched across 27 ecosystems
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
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test/jdk/java/awt/dnd/DragOverDropTargetPerformanceTest.java
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test/jdk/java/awt/dnd/DragOverDropTargetPerformanceTest.java
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/*
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* Copyright (c) 2001, 2023, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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@test
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@bug 4445747
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@summary tests that drag over drop target is not very slow on Win9X/WinME
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@key headful
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*/
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import java.awt.Button;
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import java.awt.Dimension;
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import java.awt.EventQueue;
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import java.awt.Frame;
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import java.awt.GridLayout;
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import java.awt.Panel;
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import java.awt.Point;
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import java.awt.Robot;
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import java.awt.datatransfer.DataFlavor;
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import java.awt.datatransfer.Transferable;
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import java.awt.datatransfer.UnsupportedFlavorException;
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import java.awt.dnd.DnDConstants;
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import java.awt.dnd.DragGestureEvent;
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import java.awt.dnd.DragGestureListener;
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import java.awt.dnd.DragSource;
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import java.awt.dnd.DragSourceDragEvent;
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import java.awt.dnd.DragSourceDropEvent;
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import java.awt.dnd.DragSourceEvent;
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import java.awt.dnd.DragSourceListener;
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import java.awt.dnd.DropTarget;
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import java.awt.dnd.DropTargetAdapter;
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import java.awt.dnd.DropTargetDropEvent;
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import java.awt.dnd.DropTargetListener;
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import java.awt.dnd.InvalidDnDOperationException;
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import java.awt.event.InputEvent;
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import java.awt.event.KeyEvent;
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import java.io.IOException;
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import java.io.Serializable;
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public class DragOverDropTargetPerformanceTest {
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Frame frame;
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volatile DragSourceButton dragSourceButton;
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volatile DropTargetPanel dropTargetPanel;
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static final int FRAME_ACTIVATION_TIMEOUT = 1000;
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static final int DROP_COMPLETION_TIMEOUT = 1000;
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public static void main(String[] args) throws Exception {
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DragOverDropTargetPerformanceTest test =
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new DragOverDropTargetPerformanceTest();
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EventQueue.invokeAndWait(test::init);
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try {
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test.start();
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} finally {
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EventQueue.invokeAndWait(()-> test.frame.dispose());
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}
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}
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public void init() {
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dragSourceButton = new DragSourceButton();
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dropTargetPanel = new DropTargetPanel();
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frame = new Frame();
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frame.setTitle("DragOverDropTargetPerformanceTest frame");
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frame.setLocation(200, 200);
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frame.setLayout(new GridLayout(2, 1));
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frame.add(dragSourceButton);
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frame.add(dropTargetPanel);
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frame.pack();
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frame.setVisible(true);
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}
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public static int sign(int n) {
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return Integer.compare(n, 0);
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}
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public void start() throws Exception {
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Robot robot = new Robot();
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robot.setAutoDelay(10);
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robot.waitForIdle();
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robot.delay(FRAME_ACTIVATION_TIMEOUT);
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Point srcPoint = dragSourceButton.getLocationOnScreen();
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Dimension d = dragSourceButton.getSize();
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srcPoint.translate(d.width / 2, d.height / 2);
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Point dstPoint = dropTargetPanel.getLocationOnScreen();
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d = dropTargetPanel.getSize();
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dstPoint.translate(d.width / 2, d.height / 2);
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robot.mouseMove(srcPoint.x, srcPoint.y);
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robot.keyPress(KeyEvent.VK_CONTROL);
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robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
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for (;!srcPoint.equals(dstPoint);
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srcPoint.translate(sign(dstPoint.x - srcPoint.x),
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sign(dstPoint.y - srcPoint.y))) {
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robot.mouseMove(srcPoint.x, srcPoint.y);
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robot.delay(10);
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}
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robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
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robot.keyRelease(KeyEvent.VK_CONTROL);
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robot.delay(DROP_COMPLETION_TIMEOUT);
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long dstime = dragSourceButton.getDragSourceTime();
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long dttime = dragSourceButton.getDropTargetTime();
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if (dstime == 0 || dttime == 0) {
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System.err.println(
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"WARNING: couldn't emulate DnD to measure performance.");
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} else if (dttime > dstime * 4) {
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throw new RuntimeException("The test failed." +
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"Over drag source: " + dstime + "." +
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"Over drop target: " + dttime);
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}
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}
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}
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class DragSourceButton extends Button implements Serializable,
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Transferable,
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DragGestureListener,
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DragSourceListener {
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private final DataFlavor dataflavor =
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new DataFlavor(Button.class, "DragSourceButton");
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private volatile long dsTime = 0;
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private volatile long dtTime = 0;
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public DragSourceButton() {
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this("DragSourceButton");
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}
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public DragSourceButton(String str) {
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super(str);
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DragSource ds = DragSource.getDefaultDragSource();
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ds.createDefaultDragGestureRecognizer(this, DnDConstants.ACTION_COPY,
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this);
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}
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public void dragGestureRecognized(DragGestureEvent dge) {
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try {
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dge.startDrag(null, this, this);
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dsTime = System.currentTimeMillis();
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} catch (InvalidDnDOperationException e) {
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e.printStackTrace();
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}
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}
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public void dragEnter(DragSourceDragEvent dsde) {
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long currentTime = System.currentTimeMillis();
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dsTime = currentTime - dsTime;
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dtTime = currentTime;
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}
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public void dragExit(DragSourceEvent dse) {}
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public void dragOver(DragSourceDragEvent dsde) {}
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public void dragDropEnd(DragSourceDropEvent dsde) {
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long currentTime = System.currentTimeMillis();
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dtTime = currentTime - dtTime;
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}
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public void dropActionChanged(DragSourceDragEvent dsde) {}
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public Object getTransferData(DataFlavor flavor)
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throws UnsupportedFlavorException, IOException {
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if (!isDataFlavorSupported(flavor)) {
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throw new UnsupportedFlavorException(flavor);
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}
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return this;
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}
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public DataFlavor[] getTransferDataFlavors() {
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return new DataFlavor[] { dataflavor };
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}
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public boolean isDataFlavorSupported(DataFlavor dflavor) {
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return dataflavor.equals(dflavor);
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}
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public long getDragSourceTime() {
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return dsTime;
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}
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public long getDropTargetTime() {
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return dtTime;
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}
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}
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class DropTargetPanel extends Panel {
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final Dimension preferredDimension = new Dimension(200, 200);
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final DropTargetListener dtl = new DropTargetAdapter() {
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public void drop(DropTargetDropEvent dtde) {
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dtde.rejectDrop();
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}
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};
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public DropTargetPanel() {
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setDropTarget(new DropTarget(this, dtl));
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}
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public Dimension getPreferredSize() {
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return preferredDimension;
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}
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}
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