1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.plugins;
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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.io.File;
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7 | import java.io.FileInputStream;
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8 | import java.io.FilenameFilter;
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9 | import java.io.IOException;
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10 | import java.util.ArrayList;
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11 | import java.util.Collection;
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12 | import java.util.HashMap;
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13 | import java.util.List;
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14 | import java.util.Map;
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15 |
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16 | import org.openstreetmap.josm.Main;
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17 | import org.openstreetmap.josm.gui.PleaseWaitRunnable;
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18 | import org.openstreetmap.josm.gui.progress.ProgressMonitor;
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19 | import org.openstreetmap.josm.io.OsmTransferException;
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20 | import org.openstreetmap.josm.tools.ImageProvider;
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21 | import org.xml.sax.SAXException;
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22 |
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23 | /**
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24 | * This is an asynchronous task for reading plugin information from the files
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25 | * in the local plugin repositories.
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26 | *
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27 | * It scans the files in the local plugins repository (see {@link org.openstreetmap.josm.data.Preferences#getPluginsDirectory()}
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28 | * and extracts plugin information from three kind of files:
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29 | * <ul>
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30 | * <li>.jar files, assuming that they represent plugin jars</li>
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31 | * <li>.jar.new files, assuming that these are downloaded but not yet installed plugins</li>
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32 | * <li>cached lists of available plugins, downloaded for instance from
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33 | * <a href="https://josm.openstreetmap.de/plugin">https://josm.openstreetmap.de/plugin</a></li>
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34 | * </ul>
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35 | *
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36 | */
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37 | public class ReadLocalPluginInformationTask extends PleaseWaitRunnable {
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38 | private Map<String, PluginInformation> availablePlugins;
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39 | private boolean canceled;
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40 |
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41 | /**
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42 | * Constructs a new {@code ReadLocalPluginInformationTask}.
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43 | */
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44 | public ReadLocalPluginInformationTask() {
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45 | super(tr("Reading local plugin information.."), false);
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46 | availablePlugins = new HashMap<>();
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47 | }
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48 |
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49 | public ReadLocalPluginInformationTask(ProgressMonitor monitor) {
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50 | super(tr("Reading local plugin information.."),monitor, false);
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51 | availablePlugins = new HashMap<>();
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52 | }
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53 |
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54 | @Override
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55 | protected void cancel() {
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56 | canceled = true;
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57 | }
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58 |
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59 | @Override
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60 | protected void finish() {}
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61 |
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62 | protected void processJarFile(File f, String pluginName) throws PluginException{
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63 | PluginInformation info = new PluginInformation(
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64 | f,
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65 | pluginName
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66 | );
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67 | if (!availablePlugins.containsKey(info.getName())) {
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68 | info.updateLocalInfo(info);
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69 | availablePlugins.put(info.getName(), info);
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70 | } else {
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71 | PluginInformation current = availablePlugins.get(info.getName());
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72 | current.updateFromJar(info);
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73 | }
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74 | }
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75 |
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76 | private File[] listFiles(File pluginsDirectory, final String regex) {
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77 | return pluginsDirectory.listFiles(
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78 | new FilenameFilter() {
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79 | @Override
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80 | public boolean accept(File dir, String name) {
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81 | return name.matches(regex);
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82 | }
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83 | }
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84 | );
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85 | }
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86 |
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87 | protected void scanSiteCacheFiles(ProgressMonitor monitor, File pluginsDirectory) {
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88 | File[] siteCacheFiles = listFiles(pluginsDirectory, "^([0-9]+-)?site.*\\.txt$");
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89 | if (siteCacheFiles == null || siteCacheFiles.length == 0)
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90 | return;
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91 | monitor.subTask(tr("Processing plugin site cache files..."));
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92 | monitor.setTicksCount(siteCacheFiles.length);
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93 | for (File f: siteCacheFiles) {
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94 | String fname = f.getName();
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95 | monitor.setCustomText(tr("Processing file ''{0}''", fname));
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96 | try {
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97 | processLocalPluginInformationFile(f);
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98 | } catch(PluginListParseException e) {
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99 | Main.warn(tr("Failed to scan file ''{0}'' for plugin information. Skipping.", fname));
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100 | Main.error(e);
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101 | }
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102 | monitor.worked(1);
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103 | }
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104 | }
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105 | protected void scanIconCacheFiles(ProgressMonitor monitor, File pluginsDirectory) {
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106 | File[] siteCacheFiles = listFiles(pluginsDirectory, "^([0-9]+-)?site.*plugin-icons\\.zip$");
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107 | if (siteCacheFiles == null || siteCacheFiles.length == 0)
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108 | return;
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109 | monitor.subTask(tr("Processing plugin site cache icon files..."));
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110 | monitor.setTicksCount(siteCacheFiles.length);
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111 | for (File f: siteCacheFiles) {
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112 | String fname = f.getName();
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113 | monitor.setCustomText(tr("Processing file ''{0}''", fname));
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114 | for (PluginInformation pi : availablePlugins.values()) {
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115 | if (pi.icon == null && pi.iconPath != null) {
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116 | pi.icon = new ImageProvider(pi.name+".jar/"+pi.iconPath)
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117 | .setArchive(f)
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118 | .setMaxWidth(24)
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119 | .setMaxHeight(24)
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120 | .setOptional(true).get();
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121 | }
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122 | }
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123 | monitor.worked(1);
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124 | }
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125 | }
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126 |
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127 | protected void scanPluginFiles(ProgressMonitor monitor, File pluginsDirectory) {
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128 | File[] pluginFiles = pluginsDirectory.listFiles(
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129 | new FilenameFilter() {
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130 | @Override
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131 | public boolean accept(File dir, String name) {
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132 | return name.endsWith(".jar") || name.endsWith(".jar.new");
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133 | }
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134 | }
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135 | );
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136 | if (pluginFiles == null || pluginFiles.length == 0)
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137 | return;
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138 | monitor.subTask(tr("Processing plugin files..."));
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139 | monitor.setTicksCount(pluginFiles.length);
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140 | for (File f: pluginFiles) {
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141 | String fname = f.getName();
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142 | monitor.setCustomText(tr("Processing file ''{0}''", fname));
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143 | try {
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144 | if (fname.endsWith(".jar")) {
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145 | String pluginName = fname.substring(0, fname.length() - 4);
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146 | processJarFile(f, pluginName);
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147 | } else if (fname.endsWith(".jar.new")) {
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148 | String pluginName = fname.substring(0, fname.length() - 8);
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149 | processJarFile(f, pluginName);
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150 | }
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151 | } catch (PluginException e){
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152 | Main.warn("PluginException: "+e.getMessage());
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153 | Main.warn(tr("Failed to scan file ''{0}'' for plugin information. Skipping.", fname));
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154 | }
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155 | monitor.worked(1);
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156 | }
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157 | }
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158 |
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159 | protected void scanLocalPluginRepository(ProgressMonitor monitor, File pluginsDirectory) {
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160 | if (pluginsDirectory == null) return;
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161 | try {
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162 | monitor.beginTask("");
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163 | scanSiteCacheFiles(monitor, pluginsDirectory);
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164 | scanIconCacheFiles(monitor, pluginsDirectory);
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165 | scanPluginFiles(monitor, pluginsDirectory);
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166 | } finally {
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167 | monitor.setCustomText("");
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168 | monitor.finishTask();
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169 | }
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170 | }
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171 |
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172 | protected void processLocalPluginInformationFile(File file) throws PluginListParseException{
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173 | try (FileInputStream fin = new FileInputStream(file)) {
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174 | List<PluginInformation> pis = new PluginListParser().parse(fin);
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175 | for (PluginInformation pi : pis) {
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176 | // we always keep plugin information from a plugin site because it
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177 | // includes information not available in the plugin jars Manifest, i.e.
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178 | // the download link or localized descriptions
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179 | //
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180 | availablePlugins.put(pi.name, pi);
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181 | }
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182 | } catch(IOException e) {
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183 | throw new PluginListParseException(e);
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184 | }
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185 | }
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186 |
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187 | protected void analyseInProcessPlugins() {
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188 | for (PluginProxy proxy : PluginHandler.pluginList) {
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189 | PluginInformation info = proxy.getPluginInformation();
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190 | if (canceled)return;
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191 | if (!availablePlugins.containsKey(info.name)) {
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192 | availablePlugins.put(info.name, info);
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193 | } else {
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194 | availablePlugins.get(info.name).localversion = info.localversion;
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195 | }
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196 | }
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197 | }
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198 |
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199 | protected void filterOldPlugins() {
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200 | for (PluginHandler.DeprecatedPlugin p : PluginHandler.DEPRECATED_PLUGINS) {
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201 | if (canceled)return;
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202 | if (availablePlugins.containsKey(p.name)) {
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203 | availablePlugins.remove(p.name);
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204 | }
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205 | }
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206 | }
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207 |
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208 | @Override
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209 | protected void realRun() throws SAXException, IOException, OsmTransferException {
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210 | Collection<String> pluginLocations = PluginInformation.getPluginLocations();
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211 | getProgressMonitor().setTicksCount(pluginLocations.size() + 2);
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212 | if (canceled) return;
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213 | for (String location : pluginLocations) {
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214 | scanLocalPluginRepository(
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215 | getProgressMonitor().createSubTaskMonitor(1, false),
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216 | new File(location)
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217 | );
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218 | getProgressMonitor().worked(1);
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219 | if (canceled)return;
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220 | }
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221 | analyseInProcessPlugins();
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222 | getProgressMonitor().worked(1);
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223 | if (canceled)return;
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224 | filterOldPlugins();
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225 | getProgressMonitor().worked(1);
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226 | }
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227 |
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228 | /**
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229 | * Replies information about available plugins detected by this task.
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230 | *
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231 | * @return information about available plugins detected by this task.
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232 | */
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233 | public List<PluginInformation> getAvailablePlugins() {
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234 | return new ArrayList<>(availablePlugins.values());
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235 | }
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236 |
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237 | /**
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238 | * Replies true if the task was canceled by the user
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239 | *
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240 | * @return true if the task was canceled by the user
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241 | */
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242 | public boolean isCanceled() {
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243 | return canceled;
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244 | }
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245 | }
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