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 | import static org.openstreetmap.josm.tools.I18n.trn;
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6 |
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7 | import java.io.IOException;
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8 | import java.net.URL;
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9 | import java.util.List;
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10 | import java.util.concurrent.Future;
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11 |
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12 | import javax.swing.JOptionPane;
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13 |
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14 | import org.openstreetmap.josm.Main;
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15 | import org.openstreetmap.josm.data.Bounds;
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16 | import org.openstreetmap.josm.data.ProjectionBounds;
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17 | import org.openstreetmap.josm.data.ViewportData;
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18 | import org.openstreetmap.josm.data.notes.Note;
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19 | import org.openstreetmap.josm.data.osm.NoteData;
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20 | import org.openstreetmap.josm.data.preferences.IntegerProperty;
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21 | import org.openstreetmap.josm.gui.PleaseWaitRunnable;
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22 | import org.openstreetmap.josm.gui.layer.NoteLayer;
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23 | import org.openstreetmap.josm.gui.progress.ProgressMonitor;
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24 | import org.openstreetmap.josm.io.BoundingBoxDownloader;
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25 | import org.openstreetmap.josm.io.BoundingBoxDownloader.MoreNotesException;
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26 | import org.openstreetmap.josm.io.OsmApi;
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27 | import org.openstreetmap.josm.io.OsmServerLocationReader;
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28 | import org.openstreetmap.josm.io.OsmServerReader;
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29 | import org.openstreetmap.josm.io.OsmTransferException;
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30 | import org.xml.sax.SAXException;
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31 |
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32 | /**
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33 | * General task for downloading OSM notes.
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34 | * <p>
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35 | * It handles two URL patterns: API call and dump file export.
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36 | * @since 7531
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37 | */
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38 | public class DownloadNotesTask extends AbstractDownloadTask<NoteData> {
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39 |
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40 | private static final String PATTERN_API_URL = "https?://.*/api/0.6/notes.*";
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41 | private static final String PATTERN_DUMP_FILE = "https?://.*/(.*\\.osn(.bz2)?)";
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42 | /** Property defining the number of notes to be downloaded */
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43 | public static final IntegerProperty DOWNLOAD_LIMIT = new IntegerProperty("osm.notes.downloadLimit", 1000);
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44 | /** Property defining number of days a bug needs to be closed to no longer be downloaded */
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45 | public static final IntegerProperty DAYS_CLOSED = new IntegerProperty("osm.notes.daysClosed", 7);
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46 |
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47 | private DownloadTask downloadTask;
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48 | private NoteLayer noteLayer;
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49 |
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50 | /**
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51 | * Download a specific note by its id.
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52 | * @param id Note identifier
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53 | * @param progressMonitor progress monitor
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54 | * @return the future representing the asynchronous task
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55 | */
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56 | public Future<?> download(long id, ProgressMonitor progressMonitor) {
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57 | final String url = OsmApi.getOsmApi().getBaseUrl() + "notes/" + id;
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58 | downloadTask = new DownloadRawUrlTask(new OsmServerLocationReader(url), progressMonitor);
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59 | return Main.worker.submit(downloadTask);
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60 | }
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61 |
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62 | @Override
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63 | public Future<?> download(boolean newLayer, Bounds downloadArea, ProgressMonitor progressMonitor) {
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64 | downloadTask = new DownloadBoundingBoxTask(new BoundingBoxDownloader(downloadArea), progressMonitor);
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65 | return Main.worker.submit(downloadTask);
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66 | }
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67 |
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68 | @Override
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69 | public Future<?> loadUrl(boolean newLayer, String url, ProgressMonitor progressMonitor) {
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70 | if (url.endsWith(".bz2")) {
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71 | downloadTask = new DownloadBzip2RawUrlTask(new OsmServerLocationReader(url), progressMonitor);
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72 | } else {
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73 | downloadTask = new DownloadRawUrlTask(new OsmServerLocationReader(url), progressMonitor);
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74 | }
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75 | return Main.worker.submit(downloadTask);
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76 | }
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77 |
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78 | @Override
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79 | public void cancel() {
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80 | if (downloadTask != null) {
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81 | downloadTask.cancel();
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82 | }
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83 | }
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84 |
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85 | @Override
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86 | public String getConfirmationMessage(URL url) {
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87 | return null;
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88 | }
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89 |
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90 | @Override
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91 | public String getTitle() {
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92 | return tr("Download OSM Notes");
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93 | }
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94 |
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95 | @Override
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96 | public String[] getPatterns() {
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97 | return new String[] {PATTERN_API_URL, PATTERN_DUMP_FILE};
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98 | }
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99 |
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100 | @Override
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101 | public boolean isSafeForRemotecontrolRequests() {
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102 | return true;
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103 | }
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104 |
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105 | @Override
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106 | public ProjectionBounds getDownloadProjectionBounds() {
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107 | return noteLayer != null ? noteLayer.getViewProjectionBounds() : null;
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108 | }
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109 |
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110 | abstract class DownloadTask extends PleaseWaitRunnable {
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111 | protected OsmServerReader reader;
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112 | protected List<Note> notesData;
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113 |
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114 | DownloadTask(OsmServerReader reader, ProgressMonitor progressMonitor) {
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115 | super(tr("Downloading Notes"), progressMonitor, false);
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116 | this.reader = reader;
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117 | }
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118 |
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119 | @Override
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120 | protected void finish() {
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121 | rememberDownloadedData(new NoteData(notesData));
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122 | if (isCanceled() || isFailed() || notesData == null || notesData.isEmpty()) {
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123 | return;
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124 | }
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125 | if (Main.isDebugEnabled()) {
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126 | Main.debug("Notes downloaded: " + notesData.size());
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127 | }
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128 |
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129 | noteLayer = new NoteLayer(notesData, tr("Notes"));
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130 | List<NoteLayer> noteLayers = Main.getLayerManager().getLayersOfType(NoteLayer.class);
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131 | if (!noteLayers.isEmpty()) {
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132 | noteLayers.get(0).getNoteData().addNotes(notesData);
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133 | if (Main.map != null && zoomAfterDownload) {
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134 | Main.map.mapView.scheduleZoomTo(new ViewportData(noteLayer.getViewProjectionBounds()));
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135 | }
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136 | } else {
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137 | Main.getLayerManager().addLayer(noteLayer, zoomAfterDownload);
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138 | }
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139 | }
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140 |
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141 | @Override
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142 | protected void cancel() {
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143 | setCanceled(true);
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144 | if (reader != null) {
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145 | reader.cancel();
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146 | }
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147 | }
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148 |
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149 | @Override
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150 | public abstract void realRun() throws IOException, SAXException, OsmTransferException;
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151 | }
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152 |
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153 | class DownloadBoundingBoxTask extends DownloadTask {
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154 |
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155 | DownloadBoundingBoxTask(OsmServerReader reader, ProgressMonitor progressMonitor) {
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156 | super(reader, progressMonitor);
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157 | }
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158 |
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159 | @Override
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160 | public void realRun() throws IOException, SAXException, OsmTransferException {
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161 | if (isCanceled()) {
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162 | return;
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163 | }
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164 | ProgressMonitor subMonitor = progressMonitor.createSubTaskMonitor(ProgressMonitor.ALL_TICKS, false);
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165 | try {
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166 | notesData = reader.parseNotes(DOWNLOAD_LIMIT.get(), DAYS_CLOSED.get(), subMonitor);
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167 | } catch (MoreNotesException e) {
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168 | Main.debug(e);
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169 | notesData = e.notes;
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170 | JOptionPane.showMessageDialog(Main.parent, "<html>"
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171 | + trn("{0} note has been downloaded.", "{0} notes have been downloaded.", e.limit, e.limit)
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172 | + "<br>"
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173 | + tr("Since the download limit was {0}, there might be more notes to download.", e.limit)
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174 | + "<br>"
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175 | + tr("Request a smaller area to make sure that all notes are being downloaded.")
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176 | + "</html>",
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177 | tr("More notes to download"), JOptionPane.INFORMATION_MESSAGE);
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178 | } catch (OsmTransferException e) {
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179 | if (isCanceled())
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180 | return;
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181 | rememberException(e);
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182 | }
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183 | }
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184 | }
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185 |
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186 | class DownloadRawUrlTask extends DownloadTask {
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187 |
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188 | DownloadRawUrlTask(OsmServerReader reader, ProgressMonitor progressMonitor) {
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189 | super(reader, progressMonitor);
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190 | }
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191 |
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192 | @Override
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193 | public void realRun() throws IOException, SAXException, OsmTransferException {
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194 | if (isCanceled()) {
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195 | return;
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196 | }
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197 | ProgressMonitor subMonitor = progressMonitor.createSubTaskMonitor(ProgressMonitor.ALL_TICKS, false);
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198 | try {
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199 | notesData = reader.parseRawNotes(subMonitor);
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200 | } catch (OsmTransferException e) {
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201 | if (isCanceled())
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202 | return;
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203 | rememberException(e);
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204 | }
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205 | }
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206 | }
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207 |
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208 | class DownloadBzip2RawUrlTask extends DownloadTask {
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209 |
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210 | DownloadBzip2RawUrlTask(OsmServerReader reader, ProgressMonitor progressMonitor) {
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211 | super(reader, progressMonitor);
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212 | }
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213 |
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214 | @Override
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215 | public void realRun() throws IOException, SAXException, OsmTransferException {
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216 | if (isCanceled()) {
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217 | return;
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218 | }
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219 | ProgressMonitor subMonitor = progressMonitor.createSubTaskMonitor(ProgressMonitor.ALL_TICKS, false);
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220 | try {
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221 | notesData = reader.parseRawNotesBzip2(subMonitor);
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222 | } catch (OsmTransferException e) {
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223 | if (isCanceled())
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224 | return;
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225 | rememberException(e);
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226 | }
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227 | }
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228 | }
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229 | }
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