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(0, 3, 2);
  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                 boolean firstStart = !new File("sone.properties").exists();
 151                 try {
 152                         oldConfiguration = new Configuration(new MapConfigurationBackend(new File("sone.properties"), false));
 153                         newConfiguration = oldConfiguration;
 154                 } catch (ConfigurationException ce1) {
 155                         logger.log(Level.INFO, "Could not load configuration file, trying plugin store…", ce1);
 156                         try {
 157                                 newConfiguration = new Configuration(new MapConfigurationBackend(new File("sone.properties"), true));
 158                                 logger.log(Level.INFO, "Created new configuration file.");
 159                         } catch (ConfigurationException ce2) {
 160                                 logger.log(Level.SEVERE, "Could not create configuration file, using Plugin Store!", ce2);
 161                         }
 162                         try {
 163                                 oldConfiguration = new Configuration(new PluginStoreConfigurationBackend(pluginRespirator));
 164                                 logger.log(Level.INFO, "Plugin store loaded.");
 165                         } catch (DatabaseDisabledException dde1) {
 166                                 logger.log(Level.SEVERE, "Could not load any configuration, using empty configuration!");
 167                                 oldConfiguration = new Configuration(new MapConfigurationBackend());
 168                         }
 169                 }
 170
 171                 /* create freenet interface. */
 172                 FreenetInterface freenetInterface = new FreenetInterface(pluginRespirator.getNode(), pluginRespirator.getHLSimpleClient());
 173
 174                 /* create web of trust connector. */
 175                 PluginConnector pluginConnector = new PluginConnector(pluginRespirator);
 176                 WebOfTrustConnector webOfTrustConnector = new WebOfTrustConnector(pluginConnector);
 177                 identityManager = new IdentityManager(webOfTrustConnector);
 178                 identityManager.setContext("Sone");
 179
 180                 /* create core. */
 181                 core = new Core(oldConfiguration, freenetInterface, identityManager);
 182
 183                 /* create the web interface. */
 184                 webInterface = new WebInterface(this);
 185                 webInterface.setFirstStart(firstStart);
 186                 core.addCoreListener(webInterface);
 187
 188                 /* create the identity manager. */
 189                 identityManager.addIdentityListener(core);
 190
 191                 /* start core! */
 192                 boolean startupFailed = true;
 193                 try {
 194                         core.start();
 195                         if ((newConfiguration != null) && (oldConfiguration != newConfiguration)) {
 196                                 logger.log(Level.INFO, "Setting configuration to file-based configuration.");
 197                                 core.setConfiguration(newConfiguration);
 198                         }
 199                         webInterface.start();
 200                         identityManager.start();
 201                         startupFailed = false;
 202                 } finally {
 203                         if (startupFailed) {
 204                                 /*
 205                                  * we let the exception bubble up but shut the logging down so
 206                                  * that the logfile is not swamped by the installed logging
 207                                  * handlers of the failed instances.
 208                                  */
 209                                 Logging.shutdown();
 210                         }
 211                 }
 212         }
 213
 214         /**
 215          * {@inheritDoc}
 216          */
 217         @Override
 218         public void terminate() {
 219                 try {
 220                         /* stop the web interface. */
 221                         webInterface.stop();
 222
 223                         /* stop the core. */
 224                         core.stop();
 225
 226                         /* stop the identity manager. */
 227                         identityManager.stop();
 228
 229                         /* TODO wait for core to stop? */
 230                         try {
 231                                 pluginRespirator.putStore(pluginStore);
 232                         } catch (DatabaseDisabledException dde1) {
 233                                 logger.log(Level.WARNING, "Could not store plugin store, database is disabled.", dde1);
 234                         }
 235
 236                 } finally {
 237                         /* shutdown logger. */
 238                         Logging.shutdown();
 239                 }
 240         }
 241
 242         //
 243         // INTERFACE FredPluginL10n
 244         //
 245
 246         /**
 247          * {@inheritDoc}
 248          */
 249         @Override
 250         public String getString(String key) {
 251                 return l10n.getBase().getString(key);
 252         }
 253
 254         /**
 255          * {@inheritDoc}
 256          */
 257         @Override
 258         public void setLanguage(LANGUAGE newLanguage) {
 259                 l10n = new PluginL10n(this, newLanguage);
 260         }
 261
 262         //
 263         // INTERFACE FredPluginBaseL10n
 264         //
 265
 266         /**
 267          * {@inheritDoc}
 268          */
 269         @Override
 270         public String getL10nFilesBasePath() {
 271                 return "i18n";
 272         }
 273
 274         /**
 275          * {@inheritDoc}
 276          */
 277         @Override
 278         public String getL10nFilesMask() {
 279                 return "sone.${lang}.properties";
 280         }
 281
 282         /**
 283          * {@inheritDoc}
 284          */
 285         @Override
 286         public String getL10nOverrideFilesMask() {
 287                 return "sone.${lang}.override.properties";
 288         }
 289
 290         /**
 291          * {@inheritDoc}
 292          */
 293         @Override
 294         public ClassLoader getPluginClassLoader() {
 295                 return SonePlugin.class.getClassLoader();
 296         }
 297
 298         //
 299         // INTERFACE FredPluginVersioned
 300         //
 301
 302         /**
 303          * {@inheritDoc}
 304          */
 305         @Override
 306         public String getVersion() {
 307                 return VERSION.toString();
 308         }
 309
 310 }