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.io.UploadStrategySpecification;
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18 | import org.openstreetmap.josm.gui.progress.NullProgressMonitor;
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19 | import org.openstreetmap.josm.gui.progress.ProgressMonitor;
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20 | import org.openstreetmap.josm.tools.CheckParameterUtil;
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21 |
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22 | /**
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23 | * Class that uploads all changes to the osm server.
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24 | *
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25 | * This is done like this: - All objects with id = 0 are uploaded as new, except
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26 | * those in deleted, which are ignored - All objects in deleted list are
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27 | * deleted. - All remaining objects with modified flag set are updated.
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28 | */
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29 | public class OsmServerWriter {
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30 | /**
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31 | * This list contains all successfully processed objects. The caller of
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32 | * upload* has to check this after the call and update its dataset.
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33 | *
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34 | * If a server connection error occurs, this may contain fewer entries
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35 | * than where passed in the list to upload*.
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36 | */
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37 | private Collection<OsmPrimitive> processed;
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38 |
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39 | private static List<OsmServerWritePostprocessor> postprocessors;
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40 | public static void registerPostprocessor(OsmServerWritePostprocessor pp) {
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41 | if (postprocessors == null) {
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42 | postprocessors = new ArrayList<>();
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43 | }
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44 | postprocessors.add(pp);
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45 | }
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46 | public static void unregisterPostprocessor(OsmServerWritePostprocessor pp) {
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47 | if (postprocessors != null) {
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48 | postprocessors.remove(pp);
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49 | }
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50 | }
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51 |
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52 | private OsmApi api = OsmApi.getOsmApi();
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53 | private boolean canceled = false;
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54 |
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55 | private static final int MSECS_PER_SECOND = 1000;
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56 | private static final int SECONDS_PER_MINUTE = 60;
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57 | private static final int MSECS_PER_MINUTE = MSECS_PER_SECOND * SECONDS_PER_MINUTE;
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58 |
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59 | long uploadStartTime;
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60 |
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61 | public String timeLeft(int progress, int list_size) {
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62 | long now = System.currentTimeMillis();
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63 | long elapsed = now - uploadStartTime;
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64 | if (elapsed == 0) {
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65 | elapsed = 1;
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66 | }
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67 | float uploads_per_ms = (float)progress / elapsed;
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68 | float uploads_left = list_size - progress;
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69 | int ms_left = (int)(uploads_left / uploads_per_ms);
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70 | int minutes_left = ms_left / MSECS_PER_MINUTE;
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71 | int seconds_left = (ms_left / MSECS_PER_SECOND) % SECONDS_PER_MINUTE ;
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72 | String time_left_str = Integer.toString(minutes_left) + ":";
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73 | if (seconds_left < 10) {
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74 | time_left_str += "0";
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75 | }
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76 | time_left_str += Integer.toString(seconds_left);
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77 | return time_left_str;
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78 | }
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79 |
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80 | /**
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81 | * Uploads the changes individually. Invokes one API call per uploaded primitmive.
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82 | *
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83 | * @param primitives the collection of primitives to upload
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84 | * @param progressMonitor the progress monitor
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85 | * @throws OsmTransferException thrown if an exception occurs
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86 | */
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87 | protected void uploadChangesIndividually(Collection<? extends OsmPrimitive> primitives, ProgressMonitor progressMonitor) throws OsmTransferException {
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88 | try {
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89 | progressMonitor.beginTask(tr("Starting to upload with one request per primitive ..."));
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90 | progressMonitor.setTicksCount(primitives.size());
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91 | uploadStartTime = System.currentTimeMillis();
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92 | for (OsmPrimitive osm : primitives) {
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93 | int progress = progressMonitor.getTicks();
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94 | String time_left_str = timeLeft(progress, primitives.size());
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95 | String msg = "";
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96 | switch(OsmPrimitiveType.from(osm)) {
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97 | case NODE: msg = marktr("{0}% ({1}/{2}), {3} left. Uploading node ''{4}'' (id: {5})"); break;
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98 | case WAY: msg = marktr("{0}% ({1}/{2}), {3} left. Uploading way ''{4}'' (id: {5})"); break;
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99 | case RELATION: msg = marktr("{0}% ({1}/{2}), {3} left. Uploading relation ''{4}'' (id: {5})"); break;
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100 | }
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101 | progressMonitor.subTask(
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102 | tr(msg,
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103 | Math.round(100.0*progress/primitives.size()),
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104 | progress,
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105 | primitives.size(),
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106 | time_left_str,
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107 | osm.getName() == null ? osm.getId() : osm.getName(),
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108 | osm.getId()));
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109 | makeApiRequest(osm,progressMonitor);
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110 | processed.add(osm);
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111 | progressMonitor.worked(1);
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112 | }
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113 | } catch(OsmTransferException e) {
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114 | throw e;
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115 | } catch(Exception e) {
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116 | throw new OsmTransferException(e);
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117 | } finally {
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118 | progressMonitor.finishTask();
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119 | }
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120 | }
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121 |
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122 | /**
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123 | * Upload all changes in one diff upload
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124 | *
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125 | * @param primitives the collection of primitives to upload
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126 | * @param progressMonitor the progress monitor
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127 | * @throws OsmTransferException thrown if an exception occurs
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128 | */
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129 | protected void uploadChangesAsDiffUpload(Collection<? extends OsmPrimitive> primitives, ProgressMonitor progressMonitor) throws OsmTransferException {
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130 | try {
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131 | progressMonitor.beginTask(tr("Starting to upload in one request ..."));
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132 | processed.addAll(api.uploadDiff(primitives, progressMonitor.createSubTaskMonitor(ProgressMonitor.ALL_TICKS, false)));
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133 | } catch(OsmTransferException e) {
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134 | throw e;
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135 | } finally {
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136 | progressMonitor.finishTask();
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137 | }
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138 | }
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139 |
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140 | /**
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141 | * Upload all changes in one diff upload
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142 | *
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143 | * @param primitives the collection of primitives to upload
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144 | * @param progressMonitor the progress monitor
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145 | * @param chunkSize the size of the individual upload chunks. > 0 required.
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146 | * @throws IllegalArgumentException thrown if chunkSize <= 0
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147 | * @throws OsmTransferException thrown if an exception occurs
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148 | */
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149 | protected void uploadChangesInChunks(Collection<? extends OsmPrimitive> primitives, ProgressMonitor progressMonitor, int chunkSize) throws OsmTransferException, IllegalArgumentException {
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150 | if (chunkSize <=0)
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151 | throw new IllegalArgumentException(tr("Value >0 expected for parameter ''{0}'', got {1}", "chunkSize", chunkSize));
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152 | try {
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153 | progressMonitor.beginTask(tr("Starting to upload in chunks..."));
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154 | List<OsmPrimitive> chunk = new ArrayList<>(chunkSize);
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155 | Iterator<? extends OsmPrimitive> it = primitives.iterator();
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156 | int numChunks = (int)Math.ceil((double)primitives.size() / (double)chunkSize);
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157 | int i= 0;
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158 | while(it.hasNext()) {
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159 | i++;
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160 | if (canceled) return;
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161 | int j = 0;
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162 | chunk.clear();
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163 | while(it.hasNext() && j < chunkSize) {
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164 | if (canceled) return;
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165 | j++;
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166 | chunk.add(it.next());
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167 | }
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168 | progressMonitor.setCustomText(
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169 | trn("({0}/{1}) Uploading {2} object...",
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170 | "({0}/{1}) Uploading {2} objects...",
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171 | chunk.size(), i, numChunks, chunk.size()));
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172 | processed.addAll(api.uploadDiff(chunk, progressMonitor.createSubTaskMonitor(ProgressMonitor.ALL_TICKS, false)));
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173 | }
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174 | } catch(OsmTransferException e) {
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175 | throw e;
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176 | } finally {
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177 | progressMonitor.finishTask();
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178 | }
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179 | }
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180 |
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181 | /**
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182 | * Send the dataset to the server.
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183 | *
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184 | * @param strategy the upload strategy. Must not be null.
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185 | * @param primitives list of objects to send
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186 | * @param changeset the changeset the data is uploaded to. Must not be null.
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187 | * @param monitor the progress monitor. If null, assumes {@link NullProgressMonitor#INSTANCE}
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188 | * @throws IllegalArgumentException thrown if changeset is null
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189 | * @throws IllegalArgumentException thrown if strategy is null
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190 | * @throws OsmTransferException thrown if something goes wrong
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191 | */
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192 | public void uploadOsm(UploadStrategySpecification strategy, Collection<? extends OsmPrimitive> primitives, Changeset changeset, ProgressMonitor monitor) throws OsmTransferException {
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193 | CheckParameterUtil.ensureParameterNotNull(changeset, "changeset");
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194 | processed = new LinkedList<>();
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195 | monitor = monitor == null ? NullProgressMonitor.INSTANCE : monitor;
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196 | monitor.beginTask(tr("Uploading data ..."));
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197 | try {
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198 | api.initialize(monitor);
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199 | // check whether we can use diff upload
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200 | if (changeset.getId() == 0) {
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201 | api.openChangeset(changeset,monitor.createSubTaskMonitor(0, false));
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202 | } else {
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203 | api.updateChangeset(changeset,monitor.createSubTaskMonitor(0, false));
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204 | }
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205 | api.setChangeset(changeset);
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206 | switch(strategy.getStrategy()) {
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207 | case SINGLE_REQUEST_STRATEGY:
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208 | uploadChangesAsDiffUpload(primitives,monitor.createSubTaskMonitor(0,false));
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209 | break;
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210 | case INDIVIDUAL_OBJECTS_STRATEGY:
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211 | uploadChangesIndividually(primitives,monitor.createSubTaskMonitor(0,false));
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212 | break;
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213 | case CHUNKED_DATASET_STRATEGY:
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214 | uploadChangesInChunks(primitives,monitor.createSubTaskMonitor(0,false), strategy.getChunkSize());
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215 | break;
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216 | }
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217 | } catch(OsmTransferException e) {
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218 | throw e;
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219 | } finally {
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220 | executePostprocessors(monitor);
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221 | monitor.finishTask();
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222 | api.setChangeset(null);
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223 | }
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224 | }
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225 |
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226 | void makeApiRequest(OsmPrimitive osm, ProgressMonitor progressMonitor) throws OsmTransferException {
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227 | if (osm.isDeleted()) {
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228 | api.deletePrimitive(osm, progressMonitor);
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229 | } else if (osm.isNew()) {
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230 | api.createPrimitive(osm, progressMonitor);
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231 | } else {
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232 | api.modifyPrimitive(osm, progressMonitor);
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233 | }
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234 | }
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235 |
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236 | public void cancel() {
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237 | this.canceled = true;
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238 | if (api != null) {
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239 | api.cancel();
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240 | }
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241 | }
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242 |
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243 | /**
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244 | * Replies the collection of successfully processed primitives
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245 | *
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246 | * @return the collection of successfully processed primitives
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247 | */
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248 | public Collection<OsmPrimitive> getProcessedPrimitives() {
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249 | return processed;
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250 | }
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251 |
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252 | /**
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253 | * Calls all registered upload postprocessors.
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254 | */
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255 | public void executePostprocessors(ProgressMonitor pm) {
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256 | if (postprocessors != null) {
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257 | for (OsmServerWritePostprocessor pp : postprocessors) {
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258 | pp.postprocessUploadedPrimitives(processed, pm);
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259 | }
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260 | }
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261 | }
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262 | }
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