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 |
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9 | import javax.swing.JOptionPane;
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10 |
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11 | import org.openstreetmap.josm.Main;
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12 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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13 | import org.openstreetmap.josm.data.osm.visitor.NameVisitor;
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14 |
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15 | /**
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16 | * Class that uploads all changes to the osm server.
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17 | *
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18 | * This is done like this: - All objects with id = 0 are uploaded as new, except
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19 | * those in deleted, which are ignored - All objects in deleted list are
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20 | * deleted. - All remaining objects with modified flag set are updated.
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21 | */
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22 | public class OsmServerWriter {
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23 |
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24 | /**
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25 | * This list contains all successfully processed objects. The caller of
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26 | * upload* has to check this after the call and update its dataset.
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27 | *
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28 | * If a server connection error occurs, this may contain fewer entries
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29 | * than where passed in the list to upload*.
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30 | */
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31 | public Collection<OsmPrimitive> processed;
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32 |
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33 | private OsmApi api = new OsmApi();
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34 |
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35 | private static final int MSECS_PER_SECOND = 1000;
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36 | private static final int SECONDS_PER_MINUTE = 60;
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37 | private static final int MSECS_PER_MINUTE = MSECS_PER_SECOND * SECONDS_PER_MINUTE;
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38 |
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39 | long uploadStartTime;
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40 |
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41 | public String timeLeft(int progress, int list_size) {
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42 | long now = System.currentTimeMillis();
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43 | long elapsed = now - uploadStartTime;
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44 | if (elapsed == 0)
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45 | elapsed = 1;
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46 | float uploads_per_ms = (float)progress / elapsed;
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47 | float uploads_left = list_size - progress;
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48 | int ms_left = (int)(uploads_left / uploads_per_ms);
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49 | int minutes_left = ms_left / MSECS_PER_MINUTE;
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50 | int seconds_left = (ms_left / MSECS_PER_SECOND) % SECONDS_PER_MINUTE ;
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51 | String time_left_str = Integer.toString(minutes_left) + ":";
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52 | if (seconds_left < 10)
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53 | time_left_str += "0";
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54 | time_left_str += Integer.toString(seconds_left);
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55 | return time_left_str;
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56 | }
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57 |
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58 | /**
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59 | * Send the dataset to the server.
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60 | * @param the_version version of the data set
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61 | * @param list list of objects to send
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62 | */
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63 | public void uploadOsm(String the_version, Collection<OsmPrimitive> list) {
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64 | processed = new LinkedList<OsmPrimitive>();
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65 | api.initialize();
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66 |
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67 | Main.pleaseWaitDlg.progress.setMaximum(list.size());
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68 | Main.pleaseWaitDlg.progress.setValue(0);
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69 |
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70 | boolean useChangesets = api.hasChangesetSupport();
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71 |
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72 | // controls whether or not we try and upload the whole bunch in one go
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73 | boolean useDiffUploads = Main.pref.getBoolean("osm-server.atomic-upload",
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74 | "0.6".equals(api.getVersion()));
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75 |
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76 | // solicit commit comment from user
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77 | String comment = null;
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78 | while (useChangesets && comment == null) {
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79 | comment = JOptionPane.showInputDialog(Main.parent,
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80 | tr("Provide a brief comment for the changes you are uploading:"),
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81 | tr("Commit comment"), JOptionPane.QUESTION_MESSAGE);
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82 | if (comment == null)
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83 | return;
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84 | // Don't let people just hit enter
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85 | if (comment.trim().length() >= 3)
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86 | break;
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87 | comment = null;
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88 | }
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89 |
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90 | // create changeset if required
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91 | try {
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92 | if (useChangesets) api.createChangeset(comment);
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93 | } catch (OsmTransferException ex) {
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94 | dealWithTransferException(ex);
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95 | return;
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96 | }
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97 |
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98 | try {
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99 | if (useDiffUploads) {
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100 | // all in one go
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101 | processed.addAll(api.uploadDiff(list));
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102 | } else {
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103 | // upload changes individually (90% of code is for the status display...)
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104 | NameVisitor v = new NameVisitor();
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105 | uploadStartTime = System.currentTimeMillis();
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106 | for (OsmPrimitive osm : list) {
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107 | osm.visit(v);
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108 | int progress = Main.pleaseWaitDlg.progress.getValue();
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109 | String time_left_str = timeLeft(progress, list.size());
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110 | Main.pleaseWaitDlg.currentAction.setText(
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111 | tr("{0}% ({1}/{2}), {3} left. Uploading {4}: {5} (id: {6})",
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112 | Math.round(100.0*progress/list.size()), progress,
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113 | list.size(), time_left_str, tr(v.className), v.name, osm.id));
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114 | makeApiRequest(osm);
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115 | processed.add(osm);
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116 | Main.pleaseWaitDlg.progress.setValue(progress+1);
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117 | }
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118 | }
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119 | if (useChangesets) api.stopChangeset();
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120 | } catch (OsmTransferException e) {
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121 | try {
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122 | if (useChangesets) api.stopChangeset();
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123 | } catch (Exception ee) {
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124 | // ignore nested exception
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125 | }
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126 | dealWithTransferException(e);
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127 | }
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128 | }
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129 |
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130 | void makeApiRequest(OsmPrimitive osm) throws OsmTransferException {
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131 | if (osm.deleted) {
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132 | api.deletePrimitive(osm);
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133 | } else if (osm.id == 0) {
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134 | api.createPrimitive(osm);
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135 | } else {
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136 | api.modifyPrimitive(osm);
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137 | }
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138 | }
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139 |
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140 | private void dealWithTransferException (OsmTransferException e) {
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141 | Main.pleaseWaitDlg.currentAction.setText(tr("Transfer aborted due to error (will wait for 5 seconds):") + e.getMessage());
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142 | try {
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143 | Thread.sleep(5000);
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144 | }
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145 | catch (InterruptedException ex) {}
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146 | }
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147 | }
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