| 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.time.Instant;
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| 9 | import java.util.ArrayList;
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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.data.gpx.GpxImageEntry;
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| 14 | import org.openstreetmap.josm.gui.layer.GpxLayer;
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| 15 | import org.openstreetmap.josm.gui.layer.Layer;
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| 16 | import org.openstreetmap.josm.gui.layer.geoimage.GeoImageLayer;
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| 17 | import org.openstreetmap.josm.gui.layer.geoimage.ImageEntry;
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| 18 | import org.openstreetmap.josm.gui.progress.ProgressMonitor;
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| 19 | import org.openstreetmap.josm.io.IllegalDataException;
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| 20 | import org.openstreetmap.josm.tools.Logging;
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| 21 | import org.w3c.dom.Element;
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| 22 | import org.w3c.dom.Node;
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| 23 | import org.w3c.dom.NodeList;
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| 24 |
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| 25 | /**
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| 26 | * Session importer for {@link GeoImageLayer}.
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| 27 | * @since 5505
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| 28 | */
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| 29 | public class GeoImageSessionImporter implements SessionLayerImporter {
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| 30 |
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| 31 | @Override
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| 32 | public Layer load(Element elem, SessionReader.ImportSupport support, ProgressMonitor progressMonitor)
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| 33 | throws IOException, IllegalDataException {
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| 34 | String version = elem.getAttribute("version");
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| 35 | if (!"0.1".equals(version)) {
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| 36 | throw new IllegalDataException(tr("Version ''{0}'' of meta data for geoimage layer is not supported. Expected: 0.1", version));
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| 37 | }
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| 38 |
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| 39 | List<ImageEntry> entries = new ArrayList<>();
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| 40 | NodeList imgNodes = elem.getChildNodes();
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| 41 | boolean useThumbs = false;
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| 42 | for (int i = 0; i < imgNodes.getLength(); ++i) {
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| 43 | Node imgNode = imgNodes.item(i);
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| 44 | if (imgNode.getNodeType() == Node.ELEMENT_NODE) {
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| 45 | Element imgElem = (Element) imgNode;
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| 46 | if ("geoimage".equals(imgElem.getTagName())) {
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| 47 | ImageEntry entry = new ImageEntry();
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| 48 | NodeList attrNodes = imgElem.getChildNodes();
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| 49 | for (int j = 0; j < attrNodes.getLength(); ++j) {
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| 50 | Node attrNode = attrNodes.item(j);
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| 51 | if (attrNode.getNodeType() == Node.ELEMENT_NODE) {
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| 52 | handleElement(entry, (Element) attrNode);
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| 53 | }
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| 54 | }
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| 55 | entries.add(entry);
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| 56 | } else if ("show-thumbnails".equals(imgElem.getTagName())) {
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| 57 | useThumbs = Boolean.parseBoolean(imgElem.getTextContent());
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| 58 | }
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| 59 | }
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| 60 | }
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| 61 |
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| 62 | GpxLayer gpxLayer = null;
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| 63 | List<SessionReader.LayerDependency> deps = support.getLayerDependencies();
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| 64 | if (!deps.isEmpty()) {
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| 65 | Layer layer = deps.get(0).getLayer();
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| 66 | if (layer instanceof GpxLayer) {
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| 67 | gpxLayer = (GpxLayer) layer;
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| 68 | }
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| 69 | }
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| 70 |
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| 71 | return new GeoImageLayer(entries, gpxLayer, useThumbs);
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| 72 | }
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| 73 |
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| 74 | private static void handleElement(GpxImageEntry entry, Element attrElem) {
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| 75 | try {
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| 76 | switch (attrElem.getTagName()) {
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| 77 | case "file":
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| 78 | entry.setFile(new File(attrElem.getTextContent()));
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| 79 | break;
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| 80 | case "position":
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| 81 | double lat = Double.parseDouble(attrElem.getAttribute("lat"));
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| 82 | double lon = Double.parseDouble(attrElem.getAttribute("lon"));
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| 83 | entry.setPos(new LatLon(lat, lon));
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| 84 | break;
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| 85 | case "speed":
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| 86 | entry.setSpeed(Double.valueOf(attrElem.getTextContent()));
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| 87 | break;
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| 88 | case "elevation":
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| 89 | entry.setElevation(Double.valueOf(attrElem.getTextContent()));
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| 90 | break;
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| 91 | case "gps-time":
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| 92 | entry.setGpsTime(Instant.ofEpochMilli(Long.parseLong(attrElem.getTextContent())));
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| 93 | break;
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| 94 | case "exif-orientation":
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| 95 | entry.setExifOrientation(Integer.valueOf(attrElem.getTextContent()));
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| 96 | break;
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| 97 | case "exif-time":
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| 98 | entry.setExifTime(Instant.ofEpochMilli(Long.parseLong(attrElem.getTextContent())));
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| 99 | break;
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| 100 | case "exif-gps-time":
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| 101 | entry.setExifGpsTime(Instant.ofEpochMilli(Long.parseLong(attrElem.getTextContent())));
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| 102 | break;
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| 103 | case "exif-coordinates":
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| 104 | entry.setExifCoor(new LatLon(
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| 105 | Double.parseDouble(attrElem.getAttribute("lat")),
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| 106 | Double.parseDouble(attrElem.getAttribute("lon"))));
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| 107 | break;
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| 108 | case "exif-image-direction":
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| 109 | entry.setExifImgDir(Double.valueOf(attrElem.getTextContent()));
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| 110 | break;
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| 111 | case "is-new-gps-data":
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| 112 | if (Boolean.parseBoolean(attrElem.getTextContent())) {
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| 113 | entry.flagNewGpsData();
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| 114 | }
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| 115 | break;
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| 116 | default: // Do nothing
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| 117 | }
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| 118 | // TODO: handle thumbnail loading
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| 119 | } catch (NumberFormatException e) {
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| 120 | Logging.trace(e);
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| 121 | }
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| 122 | }
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| 123 | }
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