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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297
test/jdk/java/awt/dnd/NoFormatsDropTest/NoFormatsDropTest.java
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297
test/jdk/java/awt/dnd/NoFormatsDropTest/NoFormatsDropTest.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 4473062
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@summary tests that a drop happens even if the source doesn't export
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data in native formats.
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@key headful
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@run main NoFormatsDropTest
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*/
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import java.awt.AWTEvent;
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import java.awt.AWTException;
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import java.awt.Component;
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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.DragSourceAdapter;
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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.DropTargetContext;
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import java.awt.dnd.DropTargetDragEvent;
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import java.awt.dnd.DropTargetDropEvent;
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import java.awt.dnd.DropTargetEvent;
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import java.awt.dnd.DropTargetListener;
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import java.awt.event.AWTEventListener;
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import java.awt.event.InputEvent;
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import java.awt.event.KeyEvent;
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import java.awt.event.MouseEvent;
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import java.io.IOException;
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import java.lang.reflect.InvocationTargetException;
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public class NoFormatsDropTest implements AWTEventListener {
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Frame frame;
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volatile DragSourcePanel dragSourcePanel;
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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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static final int MOUSE_RELEASE_TIMEOUT = 1000;
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static final Object SYNC_LOCK = new Object();
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Component clickedComponent = null;
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public static void main(String[] args) throws InterruptedException,
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InvocationTargetException, AWTException {
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NoFormatsDropTest noFormatsDropTest = new NoFormatsDropTest();
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EventQueue.invokeAndWait(noFormatsDropTest::init);
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noFormatsDropTest.start();
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}
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public void init() {
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frame = new Frame();
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dragSourcePanel = new DragSourcePanel();
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dropTargetPanel = new DropTargetPanel();
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frame.setTitle("NoFormatsDropTest");
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frame.setLayout(new GridLayout(2, 1));
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frame.add(dragSourcePanel);
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frame.add(dropTargetPanel);
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frame.getToolkit().addAWTEventListener(this, AWTEvent.MOUSE_EVENT_MASK);
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frame.pack();
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frame.setLocationRelativeTo(null);
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frame.setVisible(true);
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frame.validate();
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}
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public void start() throws InterruptedException, AWTException,
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InvocationTargetException {
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try {
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Robot robot = new Robot();
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robot.delay(FRAME_ACTIVATION_TIMEOUT);
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final Point srcPoint = dragSourcePanel.getLocationOnScreen();
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Dimension d = dragSourcePanel.getSize();
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srcPoint.translate(d.width / 2, d.height / 2);
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if (!pointInComponent(robot, srcPoint, dragSourcePanel)) {
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System.err.println("WARNING: Couldn't locate source panel.");
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return;
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}
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final 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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if (!pointInComponent(robot, dstPoint, dropTargetPanel)) {
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System.err.println("WARNING: Couldn't locate target panel.");
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return;
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}
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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 (Point curPoint = new Point(srcPoint);
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!curPoint.equals(dstPoint);
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curPoint.translate(sign(dstPoint.x - curPoint.x),
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sign(dstPoint.y - curPoint.y))) {
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robot.mouseMove(curPoint.x, curPoint.y);
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robot.delay(100);
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}
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robot.waitForIdle();
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robot.keyRelease(KeyEvent.VK_CONTROL);
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robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
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robot.delay(DROP_COMPLETION_TIMEOUT);
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} finally {
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if (frame != null) {
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EventQueue.invokeAndWait(() -> frame.dispose());
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}
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}
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if (!dropTargetPanel.passed()) {
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throw new RuntimeException("Drop doesn't happen.");
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}
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}
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public static int sign(int n) {
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return n < 0 ? -1 : n > 0 ? 1 : 0;
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}
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public void reset() {
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clickedComponent = null;
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}
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public void eventDispatched(AWTEvent e) {
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if (e.getID() == MouseEvent.MOUSE_RELEASED) {
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clickedComponent = (Component)e.getSource();
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synchronized (SYNC_LOCK) {
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SYNC_LOCK.notifyAll();
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}
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}
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}
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boolean pointInComponent(Robot robot, Point p, Component comp)
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throws InterruptedException {
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robot.waitForIdle();
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reset();
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robot.mouseMove(p.x, p.y);
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robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
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synchronized (SYNC_LOCK) {
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robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
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SYNC_LOCK.wait(MOUSE_RELEASE_TIMEOUT);
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}
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Component c = clickedComponent;
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while (c != null && c != comp) {
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c = c.getParent();
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}
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return c == comp;
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}
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}
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class DragSourcePanel extends Panel implements DragGestureListener {
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private final Dimension preferredDimension = new Dimension(200, 100);
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private final DragSourceListener listener = new DragSourceAdapter() {};
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public DragSourcePanel() {
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DragSource ds = DragSource.getDefaultDragSource();
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ds.createDefaultDragGestureRecognizer(this,
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DnDConstants.ACTION_COPY_OR_MOVE,
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this);
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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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public void dragGestureRecognized(DragGestureEvent dge) {
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dge.startDrag(null, new TestTransferable(), listener);
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}
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}
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class TestTransferable implements Transferable {
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public static DataFlavor dataFlavor = null;
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static final Object data = new Object();
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static {
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DataFlavor df = null;
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try {
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df = new DataFlavor(DataFlavor.javaJVMLocalObjectMimeType +
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"; class=java.lang.Object");
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} catch (ClassNotFoundException e) {
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throw new ExceptionInInitializerError(e);
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}
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dataFlavor = df;
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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 df) {
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return dataFlavor.equals(df);
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}
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public Object getTransferData(DataFlavor df)
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throws UnsupportedFlavorException, IOException {
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if (!isDataFlavorSupported(df)) {
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throw new UnsupportedFlavorException(df);
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}
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return data;
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}
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}
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class DropTargetPanel extends Panel implements DropTargetListener {
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final Dimension preferredDimension = new Dimension(200, 100);
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volatile boolean passed = false;
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public DropTargetPanel() {
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setDropTarget(new DropTarget(this, this));
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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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public void dragEnter(DropTargetDragEvent dtde) {}
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public void dragExit(DropTargetEvent dte) {}
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public void dragOver(DropTargetDragEvent dtde) {}
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public void dropActionChanged(DropTargetDragEvent dtde) {}
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public void drop(DropTargetDropEvent dtde) {
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DropTargetContext dtc = dtde.getDropTargetContext();
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if ((dtde.getSourceActions() & DnDConstants.ACTION_COPY) != 0) {
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dtde.acceptDrop(DnDConstants.ACTION_COPY);
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} else {
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dtde.rejectDrop();
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}
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Transferable transfer = dtde.getTransferable();
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if (transfer.isDataFlavorSupported(TestTransferable.dataFlavor)) {
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try {
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Object data =
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transfer.getTransferData(TestTransferable.dataFlavor);
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passed = true;
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dtc.dropComplete(true);
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} catch (IOException e) {
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e.printStackTrace();
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dtc.dropComplete(false);
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} catch (UnsupportedFlavorException e) {
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e.printStackTrace();
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dtc.dropComplete(false);
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}
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} else {
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dtc.dropComplete(false);
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}
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}
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boolean passed() {
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return passed;
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}
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}
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