1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.actions.downloadtasks;
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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.util.concurrent.Future;
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7 |
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8 | import org.openstreetmap.josm.data.osm.DataSet;
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9 | import org.openstreetmap.josm.gui.MainApplication;
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10 | import org.openstreetmap.josm.gui.progress.ProgressMonitor;
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11 | import org.openstreetmap.josm.io.Compression;
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12 | import org.openstreetmap.josm.io.OsmServerLocationReader;
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13 | import org.openstreetmap.josm.io.OsmTransferException;
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14 |
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15 | /**
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16 | * Task allowing to download compressed OSM-Change files (gzip, xz and bzip2)
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17 | * @since 5361
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18 | */
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19 | public class DownloadOsmChangeCompressedTask extends DownloadOsmChangeTask {
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20 |
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21 | private static final String PATTERN_COMPRESS = "https?://.*/(.*\\.osc.(gz|xz|bz2?|zip))";
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22 |
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23 | @Override
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24 | public String[] getPatterns() {
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25 | return new String[]{PATTERN_COMPRESS};
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26 | }
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27 |
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28 | @Override
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29 | public String getTitle() {
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30 | return tr("Download Compressed OSM Change");
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31 | }
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32 |
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33 | /**
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34 | * Loads a given URL
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35 | * @param newLayer {@code true} if the data should be saved to a new layer
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36 | * @param url The URL as String
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37 | * @param progressMonitor progress monitor for user interaction
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38 | */
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39 | @Override
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40 | public Future<?> loadUrl(boolean newLayer, final String url, ProgressMonitor progressMonitor) {
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41 | downloadTask = new DownloadTask(newLayer, new OsmServerLocationReader(url), progressMonitor) {
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42 | @Override
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43 | protected DataSet parseDataSet() throws OsmTransferException {
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44 | ProgressMonitor subTaskMonitor = progressMonitor.createSubTaskMonitor(ProgressMonitor.ALL_TICKS, false);
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45 | return reader.parseOsmChange(subTaskMonitor, Compression.byExtension(url));
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46 | }
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47 | };
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48 | currentBounds = null;
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49 | // Extract .osc.gz/xz/bz/bz2/zip filename from URL to set the new layer name
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50 | extractOsmFilename(PATTERN_COMPRESS, url);
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51 | return MainApplication.worker.submit(downloadTask);
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52 | }
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53 | }
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