1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.io;
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3 |
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4 | import static org.openstreetmap.josm.tools.I18n.tr;
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5 |
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6 | import java.io.File;
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7 | import java.io.FileInputStream;
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8 | import java.io.FileNotFoundException;
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9 | import java.io.IOException;
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10 | import java.io.InputStream;
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11 |
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12 | import javax.swing.JOptionPane;
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13 | import javax.swing.SwingUtilities;
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14 |
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15 | import org.openstreetmap.josm.Main;
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16 | import org.openstreetmap.josm.actions.ExtensionFileFilter;
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17 | import org.openstreetmap.josm.data.osm.DataSet;
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18 | import org.openstreetmap.josm.gui.layer.OsmDataLayer;
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19 | import org.openstreetmap.josm.gui.progress.NullProgressMonitor;
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20 | import org.openstreetmap.josm.gui.progress.ProgressMonitor;
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21 | import org.openstreetmap.josm.gui.util.GuiHelper;
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22 |
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23 | public class OsmImporter extends FileImporter {
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24 |
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25 | protected OsmDataLayer layer;
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26 | protected Runnable postLayerTask;
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27 |
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28 | public OsmImporter() {
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29 | super(new ExtensionFileFilter("osm,xml", "osm", tr("OSM Server Files") + " (*.osm *.xml)"));
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30 | }
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31 |
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32 | public OsmImporter(ExtensionFileFilter filter) {
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33 | super(filter);
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34 | }
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35 |
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36 | @Override
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37 | public void importData(File file, ProgressMonitor progressMonitor) throws IOException, IllegalDataException {
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38 | try {
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39 | FileInputStream in = new FileInputStream(file);
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40 | importData(in, file);
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41 | } catch (FileNotFoundException e) {
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42 | e.printStackTrace();
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43 | throw new IOException(tr("File ''{0}'' does not exist.", file.getName()));
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44 | }
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45 | }
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46 |
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47 | protected void importData(InputStream in, final File associatedFile) throws IllegalDataException {
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48 | loadLayer(in, associatedFile, associatedFile == null ? OsmDataLayer.createNewName() : associatedFile.getName(), NullProgressMonitor.INSTANCE);
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49 | // FIXME: remove UI stuff from IO subsystem
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50 | GuiHelper.runInEDT(new Runnable() {
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51 | @Override
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52 | public void run() {
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53 | Main.main.addLayer(layer);
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54 | postLayerTask.run();
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55 | layer.onPostLoadFromFile();
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56 | }
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57 | });
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58 | }
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59 |
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60 | /**
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61 | * Load osm data layer from InputStream.
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62 | * associatedFile can be null if the stream does not come from a file.
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63 | */
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64 | public void loadLayer(InputStream in, final File associatedFile, final String layerName, ProgressMonitor progressMonitor) throws IllegalDataException {
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65 | final DataSet dataSet = parseDataSet(in, progressMonitor);
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66 | layer = createLayer(dataSet, associatedFile, layerName);
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67 | postLayerTask = createPostLayerTask(dataSet, associatedFile, layerName);
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68 | }
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69 |
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70 | protected DataSet parseDataSet(InputStream in, ProgressMonitor progressMonitor) throws IllegalDataException {
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71 | return OsmReader.parseDataSet(in, progressMonitor);
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72 | }
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73 |
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74 | protected OsmDataLayer createLayer(final DataSet dataSet, final File associatedFile, final String layerName) {
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75 | return new OsmDataLayer(dataSet, layerName, associatedFile);
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76 | }
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77 |
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78 | protected Runnable createPostLayerTask(final DataSet dataSet, final File associatedFile, final String layerName) {
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79 | return new Runnable() {
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80 | @Override
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81 | public void run() {
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82 | if (dataSet.allPrimitives().isEmpty()) {
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83 | String msg;
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84 | if (associatedFile == null) {
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85 | msg = tr("No data found for layer ''{0}''.", layerName);
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86 | } else {
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87 | msg = tr("No data found in file ''{0}''.", associatedFile.getPath());
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88 | }
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89 | JOptionPane.showMessageDialog(
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90 | Main.parent,
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91 | msg,
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92 | tr("Open OSM file"),
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93 | JOptionPane.INFORMATION_MESSAGE);
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94 | }
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95 | layer.onPostLoadFromFile();
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96 | }
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97 | };
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98 | }
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99 |
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100 | public OsmDataLayer getLayer() {
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101 | return layer;
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102 | }
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103 |
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104 | public Runnable getPostLayerTask() {
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105 | return postLayerTask;
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106 | }
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107 | }
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