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

   1 /*
   2  * Sone - 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.fcp.FcpInterface;
  28 import net.pterodactylus.sone.freenet.PluginStoreConfigurationBackend;
  29 import net.pterodactylus.sone.freenet.plugin.PluginConnector;
  30 import net.pterodactylus.sone.freenet.wot.IdentityManager;
  31 import net.pterodactylus.sone.freenet.wot.WebOfTrustConnector;
  32 import net.pterodactylus.sone.web.WebInterface;
  33 import net.pterodactylus.util.config.Configuration;
  34 import net.pterodactylus.util.config.ConfigurationException;
  35 import net.pterodactylus.util.config.MapConfigurationBackend;
  36 import net.pterodactylus.util.logging.Logging;
  37 import net.pterodactylus.util.logging.LoggingListener;
  38 import net.pterodactylus.util.version.Version;
  39 import freenet.client.async.DatabaseDisabledException;
  40 import freenet.l10n.BaseL10n.LANGUAGE;
  41 import freenet.l10n.PluginL10n;
  42 import freenet.pluginmanager.FredPlugin;
  43 import freenet.pluginmanager.FredPluginBaseL10n;
  44 import freenet.pluginmanager.FredPluginFCP;
  45 import freenet.pluginmanager.FredPluginL10n;
  46 import freenet.pluginmanager.FredPluginThreadless;
  47 import freenet.pluginmanager.FredPluginVersioned;
  48 import freenet.pluginmanager.PluginReplySender;
  49 import freenet.pluginmanager.PluginRespirator;
  50 import freenet.support.SimpleFieldSet;
  51 import freenet.support.api.Bucket;
  52
  53 /**
  54  * This class interfaces with Freenet. It is the class that is loaded by the
  55  * node and starts up the whole Sone system.
  56  *
  57  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  58  */
  59 public class SonePlugin implements FredPlugin, FredPluginFCP, FredPluginL10n, FredPluginBaseL10n, FredPluginThreadless, FredPluginVersioned {
  60
  61         static {
  62                 /* initialize logging. */
  63                 Logging.setup("sone");
  64                 Logging.addLoggingListener(new LoggingListener() {
  65
  66                         @Override
  67                         public void logged(LogRecord logRecord) {
  68                                 Class<?> loggerClass = Logging.getLoggerClass(logRecord.getLoggerName());
  69                                 int recordLevel = logRecord.getLevel().intValue();
  70                                 if (recordLevel < Level.FINE.intValue()) {
  71                                         freenet.support.Logger.debug(loggerClass, String.format(logRecord.getMessage(), logRecord.getParameters()), logRecord.getThrown());
  72                                 } else if (recordLevel < Level.INFO.intValue()) {
  73                                         freenet.support.Logger.minor(loggerClass, String.format(logRecord.getMessage(), logRecord.getParameters()), logRecord.getThrown());
  74                                 } else if (recordLevel < Level.WARNING.intValue()) {
  75                                         freenet.support.Logger.normal(loggerClass, String.format(logRecord.getMessage(), logRecord.getParameters()), logRecord.getThrown());
  76                                 } else if (recordLevel < Level.SEVERE.intValue()) {
  77                                         freenet.support.Logger.warning(loggerClass, String.format(logRecord.getMessage(), logRecord.getParameters()), logRecord.getThrown());
  78                                 } else {
  79                                         freenet.support.Logger.error(loggerClass, String.format(logRecord.getMessage(), logRecord.getParameters()), logRecord.getThrown());
  80                                 }
  81                         }
  82                 });
  83         }
  84
  85         /** The version. */
  86         public static final Version VERSION = new Version(0, 6, 7);
  87
  88         /** The logger. */
  89         private static final Logger logger = Logging.getLogger(SonePlugin.class);
  90
  91         /** The plugin respirator. */
  92         private PluginRespirator pluginRespirator;
  93
  94         /** The core. */
  95         private Core core;
  96
  97         /** The web interface. */
  98         private WebInterface webInterface;
  99
 100         /** The FCP interface. */
 101         private FcpInterface fcpInterface;
 102
 103         /** The l10n helper. */
 104         private PluginL10n l10n;
 105
 106         /** The identity manager. */
 107         private IdentityManager identityManager;
 108
 109         //
 110         // ACCESSORS
 111         //
 112
 113         /**
 114          * Returns the plugin respirator for this plugin.
 115          *
 116          * @return The plugin respirator
 117          */
 118         public PluginRespirator pluginRespirator() {
 119                 return pluginRespirator;
 120         }
 121
 122         /**
 123          * Returns the core started by this plugin.
 124          *
 125          * @return The core
 126          */
 127         public Core core() {
 128                 return core;
 129         }
 130
 131         /**
 132          * Returns the plugin’s l10n helper.
 133          *
 134          * @return The plugin’s l10n helper
 135          */
 136         public PluginL10n l10n() {
 137                 return l10n;
 138         }
 139
 140         //
 141         // FREDPLUGIN METHODS
 142         //
 143
 144         /**
 145          * {@inheritDoc}
 146          */
 147         @Override
 148         public void runPlugin(@SuppressWarnings("hiding") PluginRespirator pluginRespirator) {
 149                 this.pluginRespirator = pluginRespirator;
 150
 151                 /* create a configuration. */
 152                 Configuration oldConfiguration;
 153                 Configuration newConfiguration = null;
 154                 boolean firstStart = !new File("sone.properties").exists();
 155                 boolean newConfig = false;
 156                 try {
 157                         oldConfiguration = new Configuration(new MapConfigurationBackend(new File("sone.properties"), false));
 158                         newConfiguration = oldConfiguration;
 159                 } catch (ConfigurationException ce1) {
 160                         newConfig = true;
 161                         logger.log(Level.INFO, "Could not load configuration file, trying plugin store…", ce1);
 162                         try {
 163                                 newConfiguration = new Configuration(new MapConfigurationBackend(new File("sone.properties"), true));
 164                                 logger.log(Level.INFO, "Created new configuration file.");
 165                         } catch (ConfigurationException ce2) {
 166                                 logger.log(Level.SEVERE, "Could not create configuration file, using Plugin Store!", ce2);
 167                         }
 168                         try {
 169                                 oldConfiguration = new Configuration(new PluginStoreConfigurationBackend(pluginRespirator));
 170                                 logger.log(Level.INFO, "Plugin store loaded.");
 171                         } catch (DatabaseDisabledException dde1) {
 172                                 logger.log(Level.SEVERE, "Could not load any configuration, using empty configuration!");
 173                                 oldConfiguration = new Configuration(new MapConfigurationBackend());
 174                         }
 175                 }
 176
 177                 boolean startupFailed = true;
 178                 try {
 179                         /* create freenet interface. */
 180                         FreenetInterface freenetInterface = new FreenetInterface(pluginRespirator.getNode());
 181
 182                         /* create web of trust connector. */
 183                         PluginConnector pluginConnector = new PluginConnector(pluginRespirator);
 184                         WebOfTrustConnector webOfTrustConnector = new WebOfTrustConnector(pluginConnector);
 185                         identityManager = new IdentityManager(webOfTrustConnector);
 186                         identityManager.setContext("Sone");
 187
 188                         /* create core. */
 189                         core = new Core(oldConfiguration, freenetInterface, identityManager);
 190
 191                         /* create the web interface. */
 192                         webInterface = new WebInterface(this);
 193                         core.addCoreListener(webInterface);
 194
 195                         /* create FCP interface. */
 196                         fcpInterface = new FcpInterface(core);
 197                         core.setFcpInterface(fcpInterface);
 198
 199                         /* create the identity manager. */
 200                         identityManager.addIdentityListener(core);
 201
 202                         /* start core! */
 203                         core.start();
 204                         if ((newConfiguration != null) && (oldConfiguration != newConfiguration)) {
 205                                 logger.log(Level.INFO, "Setting configuration to file-based configuration.");
 206                                 core.setConfiguration(newConfiguration);
 207                         }
 208                         webInterface.start();
 209                         webInterface.setFirstStart(firstStart);
 210                         webInterface.setNewConfig(newConfig);
 211                         identityManager.start();
 212                         startupFailed = false;
 213                 } finally {
 214                         if (startupFailed) {
 215                                 /*
 216                                  * we let the exception bubble up but shut the logging down so
 217                                  * that the logfile is not swamped by the installed logging
 218                                  * handlers of the failed instances.
 219                                  */
 220                                 Logging.shutdown();
 221                         }
 222                 }
 223         }
 224
 225         /**
 226          * {@inheritDoc}
 227          */
 228         @Override
 229         public void terminate() {
 230                 try {
 231                         /* stop the web interface. */
 232                         webInterface.stop();
 233
 234                         /* stop the core. */
 235                         core.stop();
 236
 237                         /* stop the identity manager. */
 238                         identityManager.stop();
 239                 } catch (Throwable t1) {
 240                         logger.log(Level.SEVERE, "Error while shutting down!", t1);
 241                 } finally {
 242                         /* shutdown logger. */
 243                         Logging.shutdown();
 244                 }
 245         }
 246
 247         //
 248         // INTERFACE FredPluginFCP
 249         //
 250
 251         /**
 252          * {@inheritDoc}
 253          */
 254         @Override
 255         public void handle(PluginReplySender pluginReplySender, SimpleFieldSet parameters, Bucket data, int accessType) {
 256                 fcpInterface.handle(pluginReplySender, parameters, data, accessType);
 257         }
 258
 259         //
 260         // INTERFACE FredPluginL10n
 261         //
 262
 263         /**
 264          * {@inheritDoc}
 265          */
 266         @Override
 267         public String getString(String key) {
 268                 return l10n.getBase().getString(key);
 269         }
 270
 271         /**
 272          * {@inheritDoc}
 273          */
 274         @Override
 275         public void setLanguage(LANGUAGE newLanguage) {
 276                 l10n = new PluginL10n(this, newLanguage);
 277         }
 278
 279         //
 280         // INTERFACE FredPluginBaseL10n
 281         //
 282
 283         /**
 284          * {@inheritDoc}
 285          */
 286         @Override
 287         public String getL10nFilesBasePath() {
 288                 return "i18n";
 289         }
 290
 291         /**
 292          * {@inheritDoc}
 293          */
 294         @Override
 295         public String getL10nFilesMask() {
 296                 return "sone.${lang}.properties";
 297         }
 298
 299         /**
 300          * {@inheritDoc}
 301          */
 302         @Override
 303         public String getL10nOverrideFilesMask() {
 304                 return "sone.${lang}.override.properties";
 305         }
 306
 307         /**
 308          * {@inheritDoc}
 309          */
 310         @Override
 311         public ClassLoader getPluginClassLoader() {
 312                 return SonePlugin.class.getClassLoader();
 313         }
 314
 315         //
 316         // INTERFACE FredPluginVersioned
 317         //
 318
 319         /**
 320          * {@inheritDoc}
 321          */
 322         @Override
 323         public String getVersion() {
 324                 return VERSION.toString();
 325         }
 326
 327 }