1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.io.session;
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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.IOException;
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8 | import java.util.ArrayList;
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9 | import java.util.Date;
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10 | import java.util.List;
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11 |
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12 | import org.openstreetmap.josm.data.coor.LatLon;
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13 | import org.openstreetmap.josm.gui.layer.GpxLayer;
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14 | import org.openstreetmap.josm.gui.layer.Layer;
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15 | import org.openstreetmap.josm.gui.layer.geoimage.GeoImageLayer;
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16 | import org.openstreetmap.josm.gui.layer.geoimage.ImageEntry;
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17 | import org.openstreetmap.josm.gui.progress.ProgressMonitor;
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18 | import org.openstreetmap.josm.io.IllegalDataException;
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19 | import org.w3c.dom.Element;
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20 | import org.w3c.dom.Node;
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21 | import org.w3c.dom.NodeList;
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22 |
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23 | public class GeoImageSessionImporter implements SessionLayerImporter {
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24 |
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25 | @Override
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26 | public Layer load(Element elem, SessionReader.ImportSupport support, ProgressMonitor progressMonitor) throws IOException, IllegalDataException {
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27 | String version = elem.getAttribute("version");
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28 | if (!"0.1".equals(version)) {
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29 | throw new IllegalDataException(tr("Version ''{0}'' of meta data for geoimage layer is not supported. Expected: 0.1", version));
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30 | }
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31 |
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32 | List<ImageEntry> entries = new ArrayList<>();
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33 | NodeList imgNodes = elem.getChildNodes();
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34 | boolean useThumbs = false;
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35 | for (int i=0; i<imgNodes.getLength(); ++i) {
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36 | Node imgNode = imgNodes.item(i);
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37 | if (imgNode.getNodeType() == Node.ELEMENT_NODE) {
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38 | Element imgElem = (Element) imgNode;
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39 | if ("geoimage".equals(imgElem.getTagName())) {
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40 | ImageEntry entry = new ImageEntry();
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41 | NodeList attrNodes = imgElem.getChildNodes();
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42 | for (int j=0; j<attrNodes.getLength(); ++j) {
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43 | Node attrNode = attrNodes.item(j);
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44 | if (attrNode.getNodeType() == Node.ELEMENT_NODE) {
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45 | Element attrElem = (Element) attrNode;
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46 | try {
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47 | String attrElemName = attrElem.getTagName();
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48 | if ("file".equals(attrElemName)) {
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49 | entry.setFile(new File(attrElem.getTextContent()));
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50 | } else if ("position".equals(attrElemName)) {
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51 | double lat = Double.parseDouble(attrElem.getAttribute("lat"));
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52 | double lon = Double.parseDouble(attrElem.getAttribute("lon"));
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53 | entry.setPos(new LatLon(lat, lon));
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54 | } else if ("speed".equals(attrElemName)) {
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55 | entry.setSpeed(Double.parseDouble(attrElem.getTextContent()));
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56 | } else if ("elevation".equals(attrElemName)) {
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57 | entry.setElevation(Double.parseDouble(attrElem.getTextContent()));
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58 | } else if ("gps-time".equals(attrElemName)) {
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59 | entry.setGpsTime(new Date(Long.parseLong(attrElem.getTextContent())));
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60 | } else if ("exif-orientation".equals(attrElemName)) {
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61 | entry.setExifOrientation(Integer.parseInt(attrElem.getTextContent()));
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62 | } else if ("exif-time".equals(attrElemName)) {
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63 | entry.setExifTime(new Date(Long.parseLong(attrElem.getTextContent())));
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64 | } else if ("exif-gps-time".equals(attrElemName)) {
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65 | entry.setExifGpsTime(new Date(Long.parseLong(attrElem.getTextContent())));
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66 | } else if ("exif-coordinates".equals(attrElemName)) {
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67 | double lat = Double.parseDouble(attrElem.getAttribute("lat"));
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68 | double lon = Double.parseDouble(attrElem.getAttribute("lon"));
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69 | entry.setExifCoor(new LatLon(lat, lon));
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70 | } else if ("exif-image-direction".equals(attrElemName)) {
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71 | entry.setExifImgDir(Double.parseDouble(attrElem.getTextContent()));
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72 | } else if ("is-new-gps-data".equals(attrElemName) && Boolean.parseBoolean(attrElem.getTextContent())) {
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73 | entry.flagNewGpsData();
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74 | }
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75 | // TODO: handle thumbnail loading
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76 | } catch (NumberFormatException e) {
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77 | // nothing
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78 | }
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79 | }
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80 | }
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81 | entries.add(entry);
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82 | } else if ("show-thumbnails".equals(imgElem.getTagName())) {
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83 | useThumbs = Boolean.parseBoolean(imgElem.getTextContent());
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84 | }
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85 | }
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86 | }
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87 |
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88 | GpxLayer gpxLayer = null;
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89 | List<SessionReader.LayerDependency> deps = support.getLayerDependencies();
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90 | if (!deps.isEmpty()) {
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91 | Layer layer = deps.iterator().next().getLayer();
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92 | if (layer instanceof GpxLayer) {
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93 | gpxLayer = (GpxLayer) layer;
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94 | }
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95 | }
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96 |
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97 | return new GeoImageLayer(entries, gpxLayer, useThumbs);
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98 | }
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99 |
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100 | }
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