| 1 | // License: GPL. For details, see LICENSE file.
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| 2 | package org.openstreetmap.josm.io;
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| 3 |
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| 4 | import static org.openstreetmap.josm.tools.I18n.marktr;
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| 5 | import static org.openstreetmap.josm.tools.I18n.tr;
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| 6 | import static org.openstreetmap.josm.tools.I18n.trn;
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| 7 |
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| 8 | import java.util.ArrayList;
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| 9 | import java.util.Collection;
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| 10 | import java.util.Iterator;
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| 11 | import java.util.LinkedList;
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| 12 | import java.util.List;
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| 13 |
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| 14 | import org.openstreetmap.josm.data.osm.Changeset;
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| 15 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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| 16 | import org.openstreetmap.josm.data.osm.OsmPrimitiveType;
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| 17 | import org.openstreetmap.josm.gui.JosmUserIdentityManager;
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| 18 | import org.openstreetmap.josm.gui.io.UploadStrategySpecification;
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| 19 | import org.openstreetmap.josm.gui.progress.NullProgressMonitor;
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| 20 | import org.openstreetmap.josm.gui.progress.ProgressMonitor;
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| 21 | import org.openstreetmap.josm.tools.CheckParameterUtil;
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| 22 |
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| 23 | /**
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| 24 | * Class that uploads all changes to the osm server.
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| 25 | *
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| 26 | * This is done like this: - All objects with id = 0 are uploaded as new, except
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| 27 | * those in deleted, which are ignored - All objects in deleted list are
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| 28 | * deleted. - All remaining objects with modified flag set are updated.
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| 29 | */
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| 30 | public class OsmServerWriter {
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| 31 | /**
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| 32 | * This list contains all successfully processed objects. The caller of
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| 33 | * upload* has to check this after the call and update its dataset.
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| 34 | *
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| 35 | * If a server connection error occurs, this may contain fewer entries
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| 36 | * than where passed in the list to upload*.
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| 37 | */
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| 38 | private Collection<OsmPrimitive> processed;
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| 39 |
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| 40 | private static volatile List<OsmServerWritePostprocessor> postprocessors;
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| 41 | public static void registerPostprocessor(OsmServerWritePostprocessor pp) {
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| 42 | if (postprocessors == null) {
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| 43 | postprocessors = new ArrayList<>();
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| 44 | }
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| 45 | postprocessors.add(pp);
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| 46 | }
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| 47 |
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| 48 | public static void unregisterPostprocessor(OsmServerWritePostprocessor pp) {
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| 49 | if (postprocessors != null) {
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| 50 | postprocessors.remove(pp);
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| 51 | }
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| 52 | }
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| 53 |
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| 54 | private final OsmApi api = OsmApi.getOsmApi();
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| 55 | private boolean canceled;
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| 56 |
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| 57 | private static final int MSECS_PER_SECOND = 1000;
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| 58 | private static final int SECONDS_PER_MINUTE = 60;
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| 59 | private static final int MSECS_PER_MINUTE = MSECS_PER_SECOND * SECONDS_PER_MINUTE;
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| 60 |
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| 61 | private long uploadStartTime;
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| 62 |
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| 63 | public String timeLeft(int progress, int list_size) {
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| 64 | long now = System.currentTimeMillis();
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| 65 | long elapsed = now - uploadStartTime;
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| 66 | if (elapsed == 0) {
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| 67 | elapsed = 1;
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| 68 | }
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| 69 | double uploads_per_ms = (double) progress / elapsed;
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| 70 | double uploads_left = list_size - progress;
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| 71 | long ms_left = (long) (uploads_left / uploads_per_ms);
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| 72 | long minutes_left = ms_left / MSECS_PER_MINUTE;
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| 73 | long seconds_left = (ms_left / MSECS_PER_SECOND) % SECONDS_PER_MINUTE;
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| 74 | StringBuilder time_left_str = new StringBuilder().append(minutes_left).append(':');
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| 75 | if (seconds_left < 10) {
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| 76 | time_left_str.append('0');
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| 77 | }
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| 78 | return time_left_str.append(seconds_left).toString();
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| 79 | }
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| 80 |
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| 81 | /**
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| 82 | * Uploads the changes individually. Invokes one API call per uploaded primitmive.
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| 83 | *
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| 84 | * @param primitives the collection of primitives to upload
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| 85 | * @param progressMonitor the progress monitor
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| 86 | * @throws OsmTransferException if an exception occurs
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| 87 | */
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| 88 | protected void uploadChangesIndividually(Collection<? extends OsmPrimitive> primitives, ProgressMonitor progressMonitor)
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| 89 | throws OsmTransferException {
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| 90 | try {
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| 91 | progressMonitor.beginTask(tr("Starting to upload with one request per primitive ..."));
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| 92 | progressMonitor.setTicksCount(primitives.size());
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| 93 | uploadStartTime = System.currentTimeMillis();
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| 94 | for (OsmPrimitive osm : primitives) {
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| 95 | int progress = progressMonitor.getTicks();
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| 96 | String time_left_str = timeLeft(progress, primitives.size());
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| 97 | String msg = "";
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| 98 | switch(OsmPrimitiveType.from(osm)) {
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| 99 | case NODE: msg = marktr("{0}% ({1}/{2}), {3} left. Uploading node ''{4}'' (id: {5})"); break;
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| 100 | case WAY: msg = marktr("{0}% ({1}/{2}), {3} left. Uploading way ''{4}'' (id: {5})"); break;
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| 101 | case RELATION: msg = marktr("{0}% ({1}/{2}), {3} left. Uploading relation ''{4}'' (id: {5})"); break;
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| 102 | }
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| 103 | progressMonitor.subTask(
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| 104 | tr(msg,
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| 105 | Math.round(100.0*progress/primitives.size()),
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| 106 | progress,
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| 107 | primitives.size(),
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| 108 | time_left_str,
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| 109 | osm.getName() == null ? osm.getId() : osm.getName(),
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| 110 | osm.getId()));
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| 111 | makeApiRequest(osm, progressMonitor);
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| 112 | processed.add(osm);
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| 113 | progressMonitor.worked(1);
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| 114 | }
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| 115 | } catch (OsmTransferException e) {
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| 116 | throw e;
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| 117 | } catch (Exception e) {
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| 118 | throw new OsmTransferException(e);
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| 119 | } finally {
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| 120 | progressMonitor.finishTask();
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| 121 | }
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| 122 | }
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| 123 |
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| 124 | /**
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| 125 | * Upload all changes in one diff upload
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| 126 | *
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| 127 | * @param primitives the collection of primitives to upload
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| 128 | * @param progressMonitor the progress monitor
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| 129 | * @throws OsmTransferException if an exception occurs
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| 130 | */
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| 131 | protected void uploadChangesAsDiffUpload(Collection<? extends OsmPrimitive> primitives, ProgressMonitor progressMonitor)
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| 132 | throws OsmTransferException {
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| 133 | try {
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| 134 | progressMonitor.beginTask(tr("Starting to upload in one request ..."));
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| 135 | processed.addAll(api.uploadDiff(primitives, progressMonitor.createSubTaskMonitor(ProgressMonitor.ALL_TICKS, false)));
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| 136 | } catch (OsmTransferException e) {
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| 137 | throw e;
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| 138 | } finally {
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| 139 | progressMonitor.finishTask();
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| 140 | }
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| 141 | }
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| 142 |
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| 143 | /**
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| 144 | * Upload all changes in one diff upload
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| 145 | *
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| 146 | * @param primitives the collection of primitives to upload
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| 147 | * @param progressMonitor the progress monitor
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| 148 | * @param chunkSize the size of the individual upload chunks. > 0 required.
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| 149 | * @throws IllegalArgumentException if chunkSize <= 0
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| 150 | * @throws OsmTransferException if an exception occurs
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| 151 | */
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| 152 | protected void uploadChangesInChunks(Collection<? extends OsmPrimitive> primitives, ProgressMonitor progressMonitor, int chunkSize)
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| 153 | throws OsmTransferException, IllegalArgumentException {
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| 154 | if (chunkSize <= 0)
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| 155 | throw new IllegalArgumentException(tr("Value >0 expected for parameter ''{0}'', got {1}", "chunkSize", chunkSize));
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| 156 | try {
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| 157 | progressMonitor.beginTask(tr("Starting to upload in chunks..."));
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| 158 | List<OsmPrimitive> chunk = new ArrayList<>(chunkSize);
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| 159 | Iterator<? extends OsmPrimitive> it = primitives.iterator();
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| 160 | int numChunks = (int) Math.ceil((double) primitives.size() / (double) chunkSize);
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| 161 | int i = 0;
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| 162 | while (it.hasNext()) {
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| 163 | i++;
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| 164 | if (canceled) return;
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| 165 | int j = 0;
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| 166 | chunk.clear();
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| 167 | while (it.hasNext() && j < chunkSize) {
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| 168 | if (canceled) return;
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| 169 | j++;
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| 170 | chunk.add(it.next());
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| 171 | }
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| 172 | progressMonitor.setCustomText(
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| 173 | trn("({0}/{1}) Uploading {2} object...",
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| 174 | "({0}/{1}) Uploading {2} objects...",
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| 175 | chunk.size(), i, numChunks, chunk.size()));
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| 176 | processed.addAll(api.uploadDiff(chunk, progressMonitor.createSubTaskMonitor(ProgressMonitor.ALL_TICKS, false)));
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| 177 | }
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| 178 | } catch (OsmTransferException e) {
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| 179 | throw e;
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| 180 | } finally {
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| 181 | progressMonitor.finishTask();
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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 | * Send the dataset to the server.
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| 187 | *
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| 188 | * @param strategy the upload strategy. Must not be null.
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| 189 | * @param primitives list of objects to send
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| 190 | * @param changeset the changeset the data is uploaded to. Must not be null.
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| 191 | * @param monitor the progress monitor. If null, assumes {@link NullProgressMonitor#INSTANCE}
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| 192 | * @throws IllegalArgumentException if changeset is null
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| 193 | * @throws IllegalArgumentException if strategy is null
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| 194 | * @throws OsmTransferException if something goes wrong
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| 195 | */
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| 196 | public void uploadOsm(UploadStrategySpecification strategy, Collection<? extends OsmPrimitive> primitives,
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| 197 | Changeset changeset, ProgressMonitor monitor) throws OsmTransferException {
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| 198 | CheckParameterUtil.ensureParameterNotNull(changeset, "changeset");
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| 199 | processed = new LinkedList<>();
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| 200 | monitor = monitor == null ? NullProgressMonitor.INSTANCE : monitor;
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| 201 | monitor.beginTask(tr("Uploading data ..."));
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| 202 | try {
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| 203 | api.initialize(monitor);
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| 204 | // check whether we can use diff upload
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| 205 | if (changeset.getId() == 0) {
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| 206 | api.openChangeset(changeset, monitor.createSubTaskMonitor(0, false));
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| 207 | // update the user information
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| 208 | changeset.setUser(JosmUserIdentityManager.getInstance().asUser());
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| 209 | } else {
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| 210 | api.updateChangeset(changeset, monitor.createSubTaskMonitor(0, false));
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| 211 | }
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| 212 | api.setChangeset(changeset);
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| 213 | switch(strategy.getStrategy()) {
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| 214 | case SINGLE_REQUEST_STRATEGY:
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| 215 | uploadChangesAsDiffUpload(primitives, monitor.createSubTaskMonitor(0, false));
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| 216 | break;
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| 217 | case INDIVIDUAL_OBJECTS_STRATEGY:
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| 218 | uploadChangesIndividually(primitives, monitor.createSubTaskMonitor(0, false));
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| 219 | break;
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| 220 | case CHUNKED_DATASET_STRATEGY:
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| 221 | uploadChangesInChunks(primitives, monitor.createSubTaskMonitor(0, false), strategy.getChunkSize());
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| 222 | break;
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| 223 | }
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| 224 | } catch (OsmTransferException e) {
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| 225 | throw e;
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| 226 | } finally {
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| 227 | executePostprocessors(monitor);
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| 228 | monitor.finishTask();
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| 229 | api.setChangeset(null);
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| 230 | }
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| 231 | }
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| 232 |
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| 233 | void makeApiRequest(OsmPrimitive osm, ProgressMonitor progressMonitor) throws OsmTransferException {
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| 234 | if (osm.isDeleted()) {
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| 235 | api.deletePrimitive(osm, progressMonitor);
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| 236 | } else if (osm.isNew()) {
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| 237 | api.createPrimitive(osm, progressMonitor);
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| 238 | } else {
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| 239 | api.modifyPrimitive(osm, progressMonitor);
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| 240 | }
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| 241 | }
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| 242 |
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| 243 | public void cancel() {
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| 244 | this.canceled = true;
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| 245 | if (api != null) {
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| 246 | api.cancel();
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| 247 | }
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| 248 | }
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| 249 |
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| 250 | /**
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| 251 | * Replies the collection of successfully processed primitives
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| 252 | *
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| 253 | * @return the collection of successfully processed primitives
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| 254 | */
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| 255 | public Collection<OsmPrimitive> getProcessedPrimitives() {
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| 256 | return processed;
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| 257 | }
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| 258 |
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| 259 | /**
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| 260 | * Calls all registered upload postprocessors.
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| 261 | * @param pm progress monitor
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| 262 | */
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| 263 | public void executePostprocessors(ProgressMonitor pm) {
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| 264 | if (postprocessors != null) {
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| 265 | for (OsmServerWritePostprocessor pp : postprocessors) {
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| 266 | pp.postprocessUploadedPrimitives(processed, pm);
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| 267 | }
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| 268 | }
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| 269 | }
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| 270 | }
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