1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.gui.datatransfer;
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3 |
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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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7 | import java.io.IOException;
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8 | import java.util.List;
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9 | import java.util.stream.Collectors;
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10 | import java.util.stream.Stream;
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11 |
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12 | import org.openstreetmap.josm.data.osm.Changeset;
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13 |
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14 | /**
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15 | * This class allows to transfer a list of {@link Changeset}s
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16 | */
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17 | public class ChangesetTransferable implements Transferable {
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18 | private final List<Changeset> changesets;
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19 |
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20 | /**
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21 | * Constructs a new transferable
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22 | * @param changesets the list of changesets
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23 | */
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24 | public ChangesetTransferable(List<Changeset> changesets) {
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25 | this.changesets = changesets;
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26 | }
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27 |
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28 | @Override
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29 | public DataFlavor[] getTransferDataFlavors() {
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30 | return new DataFlavor[]{DataFlavor.stringFlavor};
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31 | }
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32 |
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33 | @Override
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34 | public boolean isDataFlavorSupported(DataFlavor flavor) {
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35 | return Stream.of(getTransferDataFlavors()).anyMatch(f -> f.equals(flavor));
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36 | }
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37 |
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38 | @Override
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39 | public Object getTransferData(DataFlavor flavor) throws UnsupportedFlavorException, IOException {
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40 | if (DataFlavor.stringFlavor.equals(flavor)) {
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41 | return changesets.stream().map(Changeset::toString).collect(Collectors.joining("\n"));
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42 | } else {
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43 | throw new UnsupportedFlavorException(flavor);
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44 | }
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45 | }
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46 | }
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