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 java.util.concurrent.Future;
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5 |
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6 | import static org.openstreetmap.josm.tools.I18n.tr;
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7 |
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8 | import org.openstreetmap.josm.Main;
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9 | import org.openstreetmap.josm.data.osm.DataSet;
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10 | import org.openstreetmap.josm.gui.progress.ProgressMonitor;
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11 | import org.openstreetmap.josm.io.OsmServerLocationReader;
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12 | import org.openstreetmap.josm.io.OsmTransferException;
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13 |
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14 | /**
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15 | * Task allowing to download compressed OSM-Change files (gzip and bzip2)
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16 | * @since 5361
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17 | */
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18 | public class DownloadOsmChangeCompressedTask extends DownloadOsmChangeTask {
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19 |
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20 | @Override
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21 | public String[] getPatterns() {
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22 | return new String[]{"https?://.*/.*\\.osc.(gz|bz2?)"};
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23 | }
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24 |
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25 | @Override
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26 | public String getTitle() {
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27 | return tr("Download Compressed OSM Change");
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28 | }
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29 |
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30 | /**
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31 | * Loads a given URL
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32 | * @param newLayer {@code true} if the data should be saved to a new layer
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33 | * @param url The URL as String
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34 | * @param progressMonitor progress monitor for user interaction
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35 | */
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36 | @Override
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37 | public Future<?> loadUrl(boolean newLayer, final String url, ProgressMonitor progressMonitor) {
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38 | downloadTask = new DownloadTask(newLayer, new OsmServerLocationReader(url), progressMonitor) {
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39 | @Override
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40 | protected DataSet parseDataSet() throws OsmTransferException {
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41 | ProgressMonitor subTaskMonitor = progressMonitor.createSubTaskMonitor(ProgressMonitor.ALL_TICKS, false);
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42 | if (url.matches("https?://.*/.*\\.osc.bz2?")) {
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43 | return reader.parseOsmChangeBzip2(subTaskMonitor);
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44 | } else {
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45 | return reader.parseOsmChangeGzip(subTaskMonitor);
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46 | }
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47 | }
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48 | };
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49 | currentBounds = null;
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50 | // Extract .osc.gz/bz/bz2 filename from URL to set the new layer name
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51 | extractOsmFilename("https?://.*/(.*\\.osc.(gz|bz2?))", url);
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52 | return Main.worker.submit(downloadTask);
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53 | }
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54 | }
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