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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/*
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* Copyright (c) 2015, 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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import java.awt.Color;
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import java.awt.Graphics;
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import java.awt.GraphicsConfiguration;
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import java.awt.GraphicsDevice;
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import java.awt.Image;
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import java.awt.Rectangle;
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import java.awt.image.BufferedImage;
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import java.awt.image.BaseMultiResolutionImage;
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import static java.awt.RenderingHints.KEY_RESOLUTION_VARIANT;
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import static java.awt.RenderingHints.VALUE_RESOLUTION_VARIANT_BASE;
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import static java.awt.RenderingHints.VALUE_RESOLUTION_VARIANT_DPI_FIT;
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import static java.awt.RenderingHints.VALUE_RESOLUTION_VARIANT_SIZE_FIT;
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import static java.awt.RenderingHints.VALUE_RESOLUTION_VARIANT_DEFAULT;
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import java.awt.geom.AffineTransform;
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import java.awt.image.ColorModel;
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import java.awt.image.Raster;
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import sun.java2d.StateTrackable;
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import sun.java2d.SunGraphics2D;
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import sun.java2d.SurfaceData;
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import sun.java2d.loops.SurfaceType;
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/**
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* @test
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* @bug 8029339
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* @author Alexander Scherbatiy
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* @summary Custom MultiResolution image support on HiDPI displays
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* @modules java.desktop/sun.java2d
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* @modules java.desktop/sun.java2d.loops
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* @run main MultiResolutionRenderingHintsTest
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*/
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public class MultiResolutionRenderingHintsTest {
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private static final int BASE_SIZE = 200;
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private static final Color[] COLORS = {
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Color.CYAN, Color.GREEN, Color.BLUE, Color.ORANGE, Color.RED, Color.PINK
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};
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public static void main(String[] args) throws Exception {
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int length = COLORS.length;
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BufferedImage[] resolutionVariants = new BufferedImage[length];
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for (int i = 0; i < length; i++) {
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resolutionVariants[i] = createRVImage(getSize(i), COLORS[i]);
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}
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BaseMultiResolutionImage mrImage = new BaseMultiResolutionImage(
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resolutionVariants);
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// base
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Color color = getImageColor(VALUE_RESOLUTION_VARIANT_BASE, mrImage, 2, 3);
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if (!getColorForScale(1).equals(color)) {
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throw new RuntimeException("Wrong base resolution variant!");
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}
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// dpi fit
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color = getImageColor(VALUE_RESOLUTION_VARIANT_DPI_FIT, mrImage, 2, 3);
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if (!getColorForScale(2).equals(color)) {
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throw new RuntimeException("Resolution variant is not based on dpi!");
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}
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// size fit
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color = getImageColor(VALUE_RESOLUTION_VARIANT_SIZE_FIT, mrImage, 2, 3);
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if (!getColorForScale(6).equals(color)) {
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throw new RuntimeException("Resolution variant is not based on"
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+ " rendered size!");
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}
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// default
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// depends on the policies of the platform
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// just check that exception is not thrown
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getImageColor(VALUE_RESOLUTION_VARIANT_DEFAULT, mrImage, 2, 3);
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}
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private static Color getColorForScale(int scale) {
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return COLORS[scale - 1];
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}
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private static Color getImageColor(final Object renderingHint, Image image,
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double configScale, double graphicsScale) {
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int width = image.getWidth(null);
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int height = image.getHeight(null);
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TestSurfaceData surface = new TestSurfaceData(width, height, configScale);
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SunGraphics2D g2d = new SunGraphics2D(surface,
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Color.BLACK, Color.BLACK, null);
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g2d.setRenderingHint(KEY_RESOLUTION_VARIANT, renderingHint);
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g2d.scale(graphicsScale, graphicsScale);
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g2d.drawImage(image, 0, 0, null);
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g2d.dispose();
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return surface.getColor(width / 2, height / 2);
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}
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private static int getSize(int i) {
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return (i + 1) * BASE_SIZE;
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}
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private static BufferedImage createRVImage(int size, Color color) {
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BufferedImage image = new BufferedImage(size, size, BufferedImage.TYPE_INT_RGB);
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Graphics g = image.createGraphics();
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g.setColor(Color.BLACK);
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g.fillRect(0, 0, size, size);
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g.setColor(color);
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g.fillOval(0, 0, size, size);
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g.dispose();
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return image;
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}
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static class TestGraphicsConfig extends GraphicsConfiguration {
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private final double scale;
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TestGraphicsConfig(double scale) {
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this.scale = scale;
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}
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@Override
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public GraphicsDevice getDevice() {
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throw new UnsupportedOperationException("Not supported yet.");
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}
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@Override
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public ColorModel getColorModel() {
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throw new UnsupportedOperationException("Not supported yet.");
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}
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@Override
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public ColorModel getColorModel(int transparency) {
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throw new UnsupportedOperationException("Not supported yet.");
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}
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@Override
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public AffineTransform getDefaultTransform() {
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return AffineTransform.getScaleInstance(scale, scale);
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}
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@Override
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public AffineTransform getNormalizingTransform() {
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throw new UnsupportedOperationException("Not supported yet.");
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}
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@Override
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public Rectangle getBounds() {
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throw new UnsupportedOperationException("Not supported yet.");
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}
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}
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static class TestSurfaceData extends SurfaceData {
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private final int width;
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private final int height;
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private final GraphicsConfiguration gc;
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private final BufferedImage buffImage;
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private final double scale;
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public TestSurfaceData(int width, int height, double scale) {
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super(StateTrackable.State.DYNAMIC, SurfaceType.Custom, ColorModel.getRGBdefault());
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this.scale = scale;
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gc = new TestGraphicsConfig(scale);
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this.width = (int) Math.ceil(scale * width);
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this.height = (int) Math.ceil(scale * height);
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buffImage = new BufferedImage(this.width, this.height,
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BufferedImage.TYPE_INT_RGB);
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}
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Color getColor(int x, int y) {
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int sx = (int) Math.ceil(x * scale);
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int sy = (int) Math.ceil(y * scale);
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return new Color(buffImage.getRGB(sx, sy));
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}
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@Override
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public SurfaceData getReplacement() {
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throw new UnsupportedOperationException("Not supported yet.");
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}
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@Override
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public GraphicsConfiguration getDeviceConfiguration() {
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return gc;
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}
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@Override
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public Raster getRaster(int x, int y, int w, int h) {
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return buffImage.getRaster();
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}
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@Override
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public Rectangle getBounds() {
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return new Rectangle(0, 0, width, height);
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}
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@Override
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public Object getDestination() {
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throw new UnsupportedOperationException("Not supported yet.");
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}
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}
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}
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