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 | import java.util.logging.Logger;
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10 |
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11 | import org.openstreetmap.josm.Main;
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12 | import org.openstreetmap.josm.actions.UploadAction;
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13 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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14 | import org.openstreetmap.josm.data.osm.visitor.NameVisitor;
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15 |
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16 | /**
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17 | * Class that uploads all changes to the osm server.
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18 | *
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19 | * This is done like this: - All objects with id = 0 are uploaded as new, except
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20 | * those in deleted, which are ignored - All objects in deleted list are
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21 | * deleted. - All remaining objects with modified flag set are updated.
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22 | */
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23 | public class OsmServerWriter {
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24 | static private final Logger logger = Logger.getLogger(OsmServerWriter.class.getName());
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25 |
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26 | /**
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27 | * This list contains all successfully processed objects. The caller of
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28 | * upload* has to check this after the call and update its dataset.
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29 | *
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30 | * If a server connection error occurs, this may contain fewer entries
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31 | * than where passed in the list to upload*.
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32 | */
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33 | public Collection<OsmPrimitive> processed;
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34 |
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35 | private OsmApi api = OsmApi.getOsmApi();
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36 |
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37 | private static final int MSECS_PER_SECOND = 1000;
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38 | private static final int SECONDS_PER_MINUTE = 60;
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39 | private static final int MSECS_PER_MINUTE = MSECS_PER_SECOND * SECONDS_PER_MINUTE;
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40 |
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41 | long uploadStartTime;
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42 |
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43 | public String timeLeft(int progress, int list_size) {
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44 | long now = System.currentTimeMillis();
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45 | long elapsed = now - uploadStartTime;
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46 | if (elapsed == 0) {
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47 | elapsed = 1;
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48 | }
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49 | float uploads_per_ms = (float)progress / elapsed;
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50 | float uploads_left = list_size - progress;
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51 | int ms_left = (int)(uploads_left / uploads_per_ms);
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52 | int minutes_left = ms_left / MSECS_PER_MINUTE;
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53 | int seconds_left = (ms_left / MSECS_PER_SECOND) % SECONDS_PER_MINUTE ;
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54 | String time_left_str = Integer.toString(minutes_left) + ":";
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55 | if (seconds_left < 10) {
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56 | time_left_str += "0";
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57 | }
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58 | time_left_str += Integer.toString(seconds_left);
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59 | return time_left_str;
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60 | }
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61 |
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62 | /**
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63 | * retrieves the most recent changeset comment from the preferences
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64 | *
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65 | * @return the most recent changeset comment
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66 | */
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67 | protected String getChangesetComment() {
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68 | String cmt = "";
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69 | List<String> history = new LinkedList<String>(
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70 | Main.pref.getCollection(UploadAction.HISTORY_KEY, new LinkedList<String>()));
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71 | if(history.size() > 0) {
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72 | cmt = history.get(0);
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73 | }
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74 | return cmt;
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75 | }
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76 |
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77 | /**
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78 | * Send the dataset to the server.
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79 | *
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80 | * @param apiVersion version of the data set
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81 | * @param primitives list of objects to send
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82 | */
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83 | public void uploadOsm(String apiVersion, Collection<OsmPrimitive> primitives) throws OsmTransferException {
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84 | processed = new LinkedList<OsmPrimitive>();
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85 |
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86 | api.initialize();
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87 |
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88 | Main.pleaseWaitDlg.progress.setMaximum(primitives.size());
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89 | Main.pleaseWaitDlg.progress.setValue(0);
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90 |
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91 | // check whether we can use changeset
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92 | //
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93 | boolean canUseChangeset = api.hasChangesetSupport();
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94 | boolean useChangeset = Main.pref.getBoolean("osm-server.atomic-upload", apiVersion.compareTo("0.6")>=0);
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95 | if (useChangeset && ! canUseChangeset) {
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96 | System.out.println(tr("WARNING: preference ''{0}'' or api version ''{1}'' of dataset requires to use changesets, but API is not able to handle them. Ignoring changesets.", "osm-server.atomic-upload", apiVersion));
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97 | useChangeset = false;
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98 | }
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99 |
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100 | if (useChangeset) {
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101 | // upload everything in one changeset
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102 | //
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103 | try {
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104 | api.createChangeset(getChangesetComment());
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105 | processed.addAll(api.uploadDiff(primitives));
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106 | } catch(OsmTransferException e) {
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107 | throw e;
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108 | } finally {
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109 | try {
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110 | if (canUseChangeset) {
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111 | api.stopChangeset();
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112 | }
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113 | } catch (Exception ee) {
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114 | ee.printStackTrace();
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115 | // ignore nested exception
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116 | }
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117 | }
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118 | } else {
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119 | // upload changes individually (90% of code is for the status display...)
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120 | //
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121 | api.createChangeset(getChangesetComment());
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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 : primitives) {
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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, primitives.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/primitives.size()), progress,
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131 | primitives.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 | api.stopChangeset();
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137 | }
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138 | }
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139 |
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140 | void makeApiRequest(OsmPrimitive osm) throws OsmTransferException {
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141 | if (osm.deleted) {
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142 | api.deletePrimitive(osm);
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143 | } else if (osm.id == 0) {
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144 | api.createPrimitive(osm);
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145 | } else {
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146 | api.modifyPrimitive(osm);
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147 | }
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148 | }
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149 |
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150 | public void disconnectActiveConnection() {
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151 | if (api != null && api.activeConnection != null) {
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152 | api.activeConnection.disconnect();
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153 | }
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154 | }
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155 | }
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