[1097] | 1 | package org.expeditee.gio.swing;
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| 2 |
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| 3 | import java.awt.Toolkit;
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| 4 | import java.awt.datatransfer.DataFlavor;
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| 5 | import java.awt.datatransfer.Transferable;
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| 6 | import java.awt.datatransfer.UnsupportedFlavorException;
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[1436] | 7 | import java.io.File;
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[1097] | 8 | import java.io.IOException;
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| 9 | import java.util.LinkedList;
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| 10 | import java.util.List;
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| 11 |
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| 12 | import org.expeditee.core.Image;
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[1436] | 13 | import org.expeditee.core.Point;
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[1097] | 14 | import org.expeditee.gio.ClipboardManager;
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[1436] | 15 | import org.expeditee.gio.DragAndDropManager;
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| 16 | import org.expeditee.gio.EcosystemManager;
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| 17 | import org.expeditee.gui.DisplayController;
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[1097] | 18 |
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| 19 | /** TODO: Comment. cts16 */
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| 20 | public class SwingClipboardManager extends ClipboardManager {
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| 21 |
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| 22 | public static final DataFlavor expediteeDataFlavour = new DataFlavor(Object.class, "expediteeDataFlavour");
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| 23 |
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| 24 | // The return flavour of data in preferential order
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| 25 | public static final DataFlavor[] flavours = {
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| 26 | SwingClipboardManager.expediteeDataFlavour,
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| 27 | DataFlavor.imageFlavor,
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[1436] | 28 | DataFlavor.stringFlavor,
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| 29 | DataFlavor.javaFileListFlavor
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[1097] | 30 | };
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| 31 |
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| 32 | private static SwingClipboardManager _instance;
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| 33 |
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| 34 | public static SwingClipboardManager getInstance()
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| 35 | {
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| 36 | if (_instance == null) {
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| 37 | _instance = new SwingClipboardManager();
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| 38 | }
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| 39 |
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| 40 | return _instance;
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| 41 | }
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| 42 |
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| 43 | @Override
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| 44 | public void set(ClipboardData data)
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| 45 | {
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| 46 | if (data == null) return;
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| 47 |
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| 48 | SwingClipboardGeneralTransferable t = new SwingClipboardGeneralTransferable(data.data);
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| 49 | t.addImageRepresentation(SwingMiscManager.getIfUsingSwingImageManager().getBufferedImageForImage(data.imageRepresentation));
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| 50 | t.addStringRepresentation(data.stringRepresentation);
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| 51 |
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| 52 | Toolkit.getDefaultToolkit().getSystemClipboard().setContents(t, null);
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| 53 | }
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| 54 |
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| 55 | @Override
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| 56 | public ClipboardData get()
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| 57 | {
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| 58 | Transferable content = Toolkit.getDefaultToolkit().getSystemClipboard().getContents(null);
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| 59 |
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| 60 | // No clipboard contents
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| 61 | if (content == null) return null;
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| 62 |
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| 63 | ClipboardData ret = new ClipboardData();
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| 64 |
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| 65 | // Try each flavour
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| 66 | for (DataFlavor flavour : flavours) {
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| 67 | if (content.isDataFlavorSupported(flavour)) {
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| 68 | try {
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| 69 | handleGet(flavour, content, ret);
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| 70 | } catch (IOException e) {
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| 71 | // Data stale, just move on to next flavour
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| 72 | } catch (UnsupportedFlavorException e) {
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| 73 | // Shouldn't get here because we just checked, but just move on anyway
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| 74 | }
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| 75 | }
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| 76 | }
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| 77 |
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| 78 | // No supported content
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| 79 | return ret;
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| 80 | }
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| 81 |
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| 82 | private void handleGet(DataFlavor flavour, Transferable content, ClipboardData out) throws IOException, UnsupportedFlavorException
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| 83 | {
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| 84 | if (expediteeDataFlavour.equals(flavour)) {
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| 85 | out.data = content.getTransferData(flavour);
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| 86 | } else if (DataFlavor.imageFlavor.equals(flavour)) {
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| 87 | out.imageRepresentation = handleGetImage(content);
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| 88 | } else if (DataFlavor.stringFlavor.equals(flavour)) {
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| 89 | out.stringRepresentation = (String) content.getTransferData(flavour);
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[1436] | 90 | } else if (DataFlavor.javaFileListFlavor.equals(flavour)) {
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| 91 | @SuppressWarnings("unchecked")
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| 92 | List<File> transferData = (List<File>) content.getTransferData(flavour);
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| 93 | out.fileRepresentation = transferData;
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[1097] | 94 | }
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[1436] | 95 | }
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[1097] | 96 |
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| 97 | private Image handleGetImage(Transferable content) throws IOException, UnsupportedFlavorException
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| 98 | {
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| 99 | Object o = content.getTransferData(DataFlavor.imageFlavor);
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| 100 |
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| 101 | SwingImageManager manager = SwingMiscManager.getIfUsingSwingImageManager();
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| 102 |
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| 103 | if (manager == null) return null;
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| 104 |
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| 105 | return manager.createImage((java.awt.Image) o);
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| 106 | }
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| 107 |
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| 108 | /** TODO: Comment. cts16 */
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| 109 | private class SwingClipboardGeneralTransferable implements Transferable
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| 110 | {
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| 111 | Object _data;
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| 112 | java.awt.Image _imageRep;
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| 113 | String _stringRep;
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| 114 |
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| 115 | private List<DataFlavor> _flavours;
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| 116 |
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| 117 | @SuppressWarnings("unused")
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| 118 | public SwingClipboardGeneralTransferable()
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| 119 | {
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| 120 | this(null);
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| 121 | }
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| 122 |
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| 123 | public SwingClipboardGeneralTransferable(Object data)
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| 124 | {
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| 125 | _flavours = new LinkedList<DataFlavor>();
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| 126 |
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| 127 | addGenericRepresentation(data);
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| 128 | }
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| 129 |
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| 130 | public void addGenericRepresentation(Object data)
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| 131 | {
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| 132 | if (data == null) return;
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| 133 |
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| 134 | _data = data;
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| 135 | addDataFlavour(SwingClipboardManager.expediteeDataFlavour);
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| 136 | }
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| 137 |
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| 138 | public void addImageRepresentation(java.awt.Image image)
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| 139 | {
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| 140 | if (image == null) return;
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| 141 |
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| 142 | _imageRep = image;
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| 143 | addDataFlavour(DataFlavor.imageFlavor);
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| 144 | }
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| 145 |
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| 146 | public void addStringRepresentation(String string)
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| 147 | {
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| 148 | if (string == null) return;
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| 149 |
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| 150 | _stringRep = string;
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| 151 | addDataFlavour(DataFlavor.stringFlavor);
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| 152 | }
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| 153 |
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| 154 | public void addDataFlavour(DataFlavor flavour)
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| 155 | {
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| 156 | _flavours.add(flavour);
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| 157 | }
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| 158 |
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| 159 | @Override
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| 160 | public DataFlavor[] getTransferDataFlavors()
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| 161 | {
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| 162 | DataFlavor[] ret = new DataFlavor[_flavours.size()];
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| 163 | int i = 0;
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| 164 | for (DataFlavor flavour : _flavours) {
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| 165 | ret[i] = flavour;
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| 166 | i++;
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| 167 | }
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| 168 | return ret;
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| 169 | }
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| 170 |
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| 171 | @Override
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| 172 | public boolean isDataFlavorSupported(DataFlavor flavor)
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| 173 | {
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| 174 | for (DataFlavor flavour : _flavours) {
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| 175 | if (flavour.equals(flavor)) return true;
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| 176 | }
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| 177 | return false;
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| 178 | }
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| 179 |
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| 180 | @Override
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| 181 | public Object getTransferData(DataFlavor flavor) throws UnsupportedFlavorException, IOException
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| 182 | {
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| 183 | if (isDataFlavorSupported(flavor)) {
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| 184 | if (flavor.equals(DataFlavor.imageFlavor)) {
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| 185 | return _imageRep;
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| 186 | } else if (flavor.equals(DataFlavor.stringFlavor)) {
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| 187 | return _stringRep;
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| 188 | } else {
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| 189 | return _data;
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| 190 | }
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| 191 | } else {
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| 192 | throw new UnsupportedFlavorException(flavor);
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| 193 | }
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| 194 | }
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| 195 |
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| 196 | }
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| 197 |
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| 198 |
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| 199 | }
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