1 | // License: GPL. Copyright 2007 by Immanuel Scholz and others
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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.tr;
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5 |
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6 | import java.util.Collection;
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7 | import java.util.LinkedList;
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8 | import java.util.List;
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9 |
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10 | import javax.swing.JOptionPane;
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11 |
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12 | import org.openstreetmap.josm.Main;
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13 | import org.openstreetmap.josm.actions.UploadAction;
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14 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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15 | import org.openstreetmap.josm.data.osm.visitor.NameVisitor;
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16 | import org.openstreetmap.josm.gui.historycombobox.JHistoryComboBox;
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17 | import org.openstreetmap.josm.gui.historycombobox.StringUtils;
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18 |
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19 | /**
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20 | * Class that uploads all changes to the osm server.
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21 | *
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22 | * This is done like this: - All objects with id = 0 are uploaded as new, except
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23 | * those in deleted, which are ignored - All objects in deleted list are
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24 | * deleted. - All remaining objects with modified flag set are updated.
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25 | */
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26 | public class OsmServerWriter {
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27 |
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28 | /**
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29 | * This list contains all successfully processed objects. The caller of
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30 | * upload* has to check this after the call and update its dataset.
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31 | *
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32 | * If a server connection error occurs, this may contain fewer entries
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33 | * than where passed in the list to upload*.
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34 | */
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35 | public Collection<OsmPrimitive> processed;
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36 |
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37 |
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38 | private OsmApi api = new OsmApi();
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39 |
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40 | private static final int MSECS_PER_SECOND = 1000;
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41 | private static final int SECONDS_PER_MINUTE = 60;
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42 | private static final int MSECS_PER_MINUTE = MSECS_PER_SECOND * SECONDS_PER_MINUTE;
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43 |
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44 | long uploadStartTime;
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45 |
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46 | public String timeLeft(int progress, int list_size) {
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47 | long now = System.currentTimeMillis();
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48 | long elapsed = now - uploadStartTime;
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49 | if (elapsed == 0)
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50 | elapsed = 1;
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51 | float uploads_per_ms = (float)progress / elapsed;
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52 | float uploads_left = list_size - progress;
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53 | int ms_left = (int)(uploads_left / uploads_per_ms);
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54 | int minutes_left = ms_left / MSECS_PER_MINUTE;
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55 | int seconds_left = (ms_left / MSECS_PER_SECOND) % SECONDS_PER_MINUTE ;
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56 | String time_left_str = Integer.toString(minutes_left) + ":";
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57 | if (seconds_left < 10)
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58 | time_left_str += "0";
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59 | time_left_str += Integer.toString(seconds_left);
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60 | return time_left_str;
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61 | }
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62 |
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63 | /**
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64 | * Send the dataset to the server.
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65 | * @param the_version version of the data set
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66 | * @param list list of objects to send
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67 | */
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68 | public void uploadOsm(String the_version, Collection<OsmPrimitive> list) {
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69 | processed = new LinkedList<OsmPrimitive>();
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70 |
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71 | // initialize API. Abort upload in case of configuration or network
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72 | // errors
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73 | //
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74 | try {
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75 | api.initialize();
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76 | } catch(Exception e) {
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77 | JOptionPane.showMessageDialog(
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78 | null,
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79 | tr( "Failed to initialize communication with the OSM server {0}.\n"
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80 | + "Check the server URL in your preferences and your internet connection.",
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81 | Main.pref.get("osm-server.url")
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82 | ),
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83 | tr("Error"),
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84 | JOptionPane.ERROR_MESSAGE
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85 | );
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86 | e.printStackTrace();
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87 | return;
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88 | }
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89 |
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90 |
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91 | Main.pleaseWaitDlg.progress.setMaximum(list.size());
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92 | Main.pleaseWaitDlg.progress.setValue(0);
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93 |
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94 | boolean useChangesets = api.hasChangesetSupport();
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95 |
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96 | // controls whether or not we try and upload the whole bunch in one go
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97 | boolean useDiffUploads = Main.pref.getBoolean("osm-server.atomic-upload",
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98 | "0.6".equals(api.getVersion()));
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99 |
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100 | // create changeset if required
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101 | try {
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102 | if (useChangesets) {
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103 | // add the last entered comment to the changeset
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104 | String cmt = "";
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105 | List<String> history = StringUtils.stringToList(Main.pref.get(UploadAction.HISTORY_KEY), JHistoryComboBox.DELIM);
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106 | if(history.size() > 0) {
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107 | cmt = history.get(0);
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108 | }
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109 | api.createChangeset(cmt);
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110 | }
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111 | } catch (OsmTransferException ex) {
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112 | dealWithTransferException(ex);
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113 | return;
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114 | }
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115 |
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116 | try {
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117 | if (useDiffUploads) {
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118 | // all in one go
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119 | processed.addAll(api.uploadDiff(list));
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120 | } else {
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121 | // upload changes individually (90% of code is for the status display...)
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122 | NameVisitor v = new NameVisitor();
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123 | uploadStartTime = System.currentTimeMillis();
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124 | for (OsmPrimitive osm : list) {
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125 | osm.visit(v);
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126 | int progress = Main.pleaseWaitDlg.progress.getValue();
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127 | String time_left_str = timeLeft(progress, list.size());
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128 | Main.pleaseWaitDlg.currentAction.setText(
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129 | tr("{0}% ({1}/{2}), {3} left. Uploading {4}: {5} (id: {6})",
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130 | Math.round(100.0*progress/list.size()), progress,
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131 | list.size(), time_left_str, tr(v.className), v.name, osm.id));
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132 | makeApiRequest(osm);
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133 | processed.add(osm);
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134 | Main.pleaseWaitDlg.progress.setValue(progress+1);
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135 | }
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136 | }
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137 | if (useChangesets) api.stopChangeset();
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138 | } catch (OsmTransferException e) {
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139 | try {
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140 | if (useChangesets) api.stopChangeset();
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141 | } catch (Exception ee) {
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142 | // ignore nested exception
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143 | }
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144 | dealWithTransferException(e);
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145 | }
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146 | }
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147 |
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148 | void makeApiRequest(OsmPrimitive osm) throws OsmTransferException {
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149 | if (osm.deleted) {
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150 | api.deletePrimitive(osm);
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151 | } else if (osm.id == 0) {
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152 | api.createPrimitive(osm);
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153 | } else {
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154 | api.modifyPrimitive(osm);
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155 | }
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156 | }
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157 |
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158 | private void dealWithTransferException (OsmTransferException e) {
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159 | if (e instanceof OsmTransferCancelledException) {
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160 | // ignore - don't bother the user with yet another message that he
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161 | // has successfully cancelled the data upload
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162 | //
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163 | return;
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164 | }
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165 |
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166 | JOptionPane.showMessageDialog(Main.parent,
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167 | /* tr("Error during upload: ") + */ e.getMessage());
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168 | }
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169 | }
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