src/main/java/net/pterodactylus/sone/main/SonePlugin.java

   1 /*
   2  * FreenetSone - SonePlugin.java - Copyright © 2010 David Roden
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 package net.pterodactylus.sone.main;
  19
  20 import java.io.File;
  21 import java.util.logging.Level;
  22 import java.util.logging.LogRecord;
  23 import java.util.logging.Logger;
  24
  25 import net.pterodactylus.sone.core.Core;
  26 import net.pterodactylus.sone.core.FreenetInterface;
  27 import net.pterodactylus.sone.freenet.PluginStoreConfigurationBackend;
  28 import net.pterodactylus.sone.freenet.wot.IdentityManager;
  29 import net.pterodactylus.sone.freenet.wot.PluginConnector;
  30 import net.pterodactylus.sone.freenet.wot.WebOfTrustConnector;
  31 import net.pterodactylus.sone.web.WebInterface;
  32 import net.pterodactylus.util.config.Configuration;
  33 import net.pterodactylus.util.config.ConfigurationException;
  34 import net.pterodactylus.util.config.MapConfigurationBackend;
  35 import net.pterodactylus.util.logging.Logging;
  36 import net.pterodactylus.util.logging.LoggingListener;
  37 import net.pterodactylus.util.version.Version;
  38 import freenet.client.async.DatabaseDisabledException;
  39 import freenet.l10n.BaseL10n.LANGUAGE;
  40 import freenet.l10n.PluginL10n;
  41 import freenet.pluginmanager.FredPlugin;
  42 import freenet.pluginmanager.FredPluginBaseL10n;
  43 import freenet.pluginmanager.FredPluginL10n;
  44 import freenet.pluginmanager.FredPluginThreadless;
  45 import freenet.pluginmanager.FredPluginVersioned;
  46 import freenet.pluginmanager.PluginRespirator;
  47 import freenet.pluginmanager.PluginStore;
  48
  49 /**
  50  * This class interfaces with Freenet. It is the class that is loaded by the
  51  * node and starts up the whole Sone system.
  52  *
  53  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  54  */
  55 public class SonePlugin implements FredPlugin, FredPluginL10n, FredPluginBaseL10n, FredPluginThreadless, FredPluginVersioned {
  56
  57         static {
  58                 /* initialize logging. */
  59                 Logging.setup("sone");
  60                 Logging.addLoggingListener(new LoggingListener() {
  61
  62                         @Override
  63                         public void logged(LogRecord logRecord) {
  64                                 Class<?> loggerClass = Logging.getLoggerClass(logRecord.getLoggerName());
  65                                 int recordLevel = logRecord.getLevel().intValue();
  66                                 if (recordLevel < Level.FINE.intValue()) {
  67                                         freenet.support.Logger.debug(loggerClass, String.format(logRecord.getMessage(), logRecord.getParameters()), logRecord.getThrown());
  68                                 } else if (recordLevel < Level.INFO.intValue()) {
  69                                         freenet.support.Logger.minor(loggerClass, String.format(logRecord.getMessage(), logRecord.getParameters()), logRecord.getThrown());
  70                                 } else if (recordLevel < Level.WARNING.intValue()) {
  71                                         freenet.support.Logger.normal(loggerClass, String.format(logRecord.getMessage(), logRecord.getParameters()), logRecord.getThrown());
  72                                 } else if (recordLevel < Level.SEVERE.intValue()) {
  73                                         freenet.support.Logger.warning(loggerClass, String.format(logRecord.getMessage(), logRecord.getParameters()), logRecord.getThrown());
  74                                 } else {
  75                                         freenet.support.Logger.error(loggerClass, String.format(logRecord.getMessage(), logRecord.getParameters()), logRecord.getThrown());
  76                                 }
  77                         }
  78                 });
  79         }
  80
  81         /** The version. */
  82         public static final Version VERSION = new Version("RC2", 0, 3, 1);
  83
  84         /** The logger. */
  85         private static final Logger logger = Logging.getLogger(SonePlugin.class);
  86
  87         /** The plugin respirator. */
  88         private PluginRespirator pluginRespirator;
  89
  90         /** The core. */
  91         private Core core;
  92
  93         /** The web interface. */
  94         private WebInterface webInterface;
  95
  96         /** The l10n helper. */
  97         private PluginL10n l10n;
  98
  99         /** The plugin store. */
 100         private PluginStore pluginStore;
 101
 102         /** The identity manager. */
 103         private IdentityManager identityManager;
 104
 105         //
 106         // ACCESSORS
 107         //
 108
 109         /**
 110          * Returns the plugin respirator for this plugin.
 111          *
 112          * @return The plugin respirator
 113          */
 114         public PluginRespirator pluginRespirator() {
 115                 return pluginRespirator;
 116         }
 117
 118         /**
 119          * Returns the core started by this plugin.
 120          *
 121          * @return The core
 122          */
 123         public Core core() {
 124                 return core;
 125         }
 126
 127         /**
 128          * Returns the plugin’s l10n helper.
 129          *
 130          * @return The plugin’s l10n helper
 131          */
 132         public PluginL10n l10n() {
 133                 return l10n;
 134         }
 135
 136         //
 137         // FREDPLUGIN METHODS
 138         //
 139
 140         /**
 141          * {@inheritDoc}
 142          */
 143         @Override
 144         public void runPlugin(PluginRespirator pluginRespirator) {
 145                 this.pluginRespirator = pluginRespirator;
 146
 147                 /* create a configuration. */
 148                 Configuration oldConfiguration;
 149                 Configuration newConfiguration = null;
 150                 try {
 151                         oldConfiguration = new Configuration(new MapConfigurationBackend(new File("sone.properties"), false));
 152                         newConfiguration = oldConfiguration;
 153                 } catch (ConfigurationException ce1) {
 154                         logger.log(Level.INFO, "Could not load configuration file, trying plugin store…");
 155                         try {
 156                                 newConfiguration = new Configuration(new MapConfigurationBackend(new File("sone.properties"), true));
 157                                 logger.log(Level.INFO, "Created new configuration file.");
 158                         } catch (ConfigurationException ce2) {
 159                                 logger.log(Level.SEVERE, "Could not create configuration file, using Plugin Store!");
 160                         }
 161                         try {
 162                                 oldConfiguration = new Configuration(new PluginStoreConfigurationBackend(pluginRespirator));
 163                                 logger.log(Level.INFO, "Plugin store loaded.");
 164                         } catch (DatabaseDisabledException dde1) {
 165                                 logger.log(Level.SEVERE, "Could not load any configuration, using empty configuration!");
 166                                 oldConfiguration = new Configuration(new MapConfigurationBackend());
 167                         }
 168                 }
 169
 170                 /* create freenet interface. */
 171                 FreenetInterface freenetInterface = new FreenetInterface(pluginRespirator.getNode(), pluginRespirator.getHLSimpleClient());
 172
 173                 /* create web of trust connector. */
 174                 PluginConnector pluginConnector = new PluginConnector(pluginRespirator);
 175                 WebOfTrustConnector webOfTrustConnector = new WebOfTrustConnector(pluginConnector);
 176                 identityManager = new IdentityManager(webOfTrustConnector);
 177                 identityManager.setContext("Sone");
 178
 179                 /* create core. */
 180                 core = new Core(oldConfiguration, freenetInterface, identityManager);
 181
 182                 /* create the web interface. */
 183                 webInterface = new WebInterface(this);
 184                 core.addCoreListener(webInterface);
 185
 186                 /* create the identity manager. */
 187                 identityManager.addIdentityListener(core);
 188
 189                 /* start core! */
 190                 boolean startupFailed = true;
 191                 try {
 192                         core.start();
 193                         if ((newConfiguration != null) && (oldConfiguration != newConfiguration)) {
 194                                 logger.log(Level.INFO, "Setting configuration to file-based configuration.");
 195                                 core.setConfiguration(newConfiguration);
 196                         }
 197                         webInterface.start();
 198                         identityManager.start();
 199                         startupFailed = false;
 200                 } finally {
 201                         if (startupFailed) {
 202                                 /*
 203                                  * we let the exception bubble up but shut the logging down so
 204                                  * that the logfile is not swamped by the installed logging
 205                                  * handlers of the failed instances.
 206                                  */
 207                                 Logging.shutdown();
 208                         }
 209                 }
 210         }
 211
 212         /**
 213          * {@inheritDoc}
 214          */
 215         @Override
 216         public void terminate() {
 217                 try {
 218                         /* stop the web interface. */
 219                         webInterface.stop();
 220
 221                         /* stop the core. */
 222                         core.stop();
 223
 224                         /* stop the identity manager. */
 225                         identityManager.stop();
 226
 227                         /* TODO wait for core to stop? */
 228                         try {
 229                                 pluginRespirator.putStore(pluginStore);
 230                         } catch (DatabaseDisabledException dde1) {
 231                                 logger.log(Level.WARNING, "Could not store plugin store, database is disabled.", dde1);
 232                         }
 233
 234                 } finally {
 235                         /* shutdown logger. */
 236                         Logging.shutdown();
 237                 }
 238         }
 239
 240         //
 241         // INTERFACE FredPluginL10n
 242         //
 243
 244         /**
 245          * {@inheritDoc}
 246          */
 247         @Override
 248         public String getString(String key) {
 249                 return l10n.getBase().getString(key);
 250         }
 251
 252         /**
 253          * {@inheritDoc}
 254          */
 255         @Override
 256         public void setLanguage(LANGUAGE newLanguage) {
 257                 l10n = new PluginL10n(this, newLanguage);
 258         }
 259
 260         //
 261         // INTERFACE FredPluginBaseL10n
 262         //
 263
 264         /**
 265          * {@inheritDoc}
 266          */
 267         @Override
 268         public String getL10nFilesBasePath() {
 269                 return "i18n";
 270         }
 271
 272         /**
 273          * {@inheritDoc}
 274          */
 275         @Override
 276         public String getL10nFilesMask() {
 277                 return "sone.${lang}.properties";
 278         }
 279
 280         /**
 281          * {@inheritDoc}
 282          */
 283         @Override
 284         public String getL10nOverrideFilesMask() {
 285                 return "sone.${lang}.override.properties";
 286         }
 287
 288         /**
 289          * {@inheritDoc}
 290          */
 291         @Override
 292         public ClassLoader getPluginClassLoader() {
 293                 return SonePlugin.class.getClassLoader();
 294         }
 295
 296         //
 297         // INTERFACE FredPluginVersioned
 298         //
 299
 300         /**
 301          * {@inheritDoc}
 302          */
 303         @Override
 304         public String getVersion() {
 305                 return VERSION.toString();
 306         }
 307
 308 }