src/main/java/net/pterodactylus/rhynodge/engine/Starter.java

   1 /*
   2  * Rhynodge - Starter.java - Copyright © 2013 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.rhynodge.engine;
  19
  20 import java.io.IOException;
  21 import java.util.Arrays;
  22
  23 import net.pterodactylus.rhynodge.actions.EmailAction;
  24 import net.pterodactylus.rhynodge.loader.ChainWatcher;
  25 import net.pterodactylus.rhynodge.loader.ChainWatcher.ChainDirectory;
  26 import net.pterodactylus.rhynodge.states.StateManager.StateDirectory;
  27 import net.pterodactylus.util.envopt.Parser;
  28 import net.pterodactylus.util.inject.ObjectBinding;
  29
  30 import com.google.inject.Guice;
  31 import com.google.inject.Injector;
  32
  33 /**
  34  * Rhynodge main starter class.
  35  *
  36  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  37  */
  38 public class Starter {
  39
  40         /**
  41          * JVM main entry method.
  42          *
  43          * @param arguments
  44          *            Command-line arguments
  45          */
  46         public static void main(String... arguments) throws IOException {
  47                 Options options = Parser.fromSystemEnvironment().parseEnvironment(Options::new);
  48                 EmailAction errorEmailAction =
  49                                 createErrorEmailAction(options.smtpHostname, options.errorEmailSender, options.errorEmailRecipient);
  50
  51                 Injector injector = Guice.createInjector(Arrays.asList(
  52                                 ObjectBinding.forClass(StateDirectory.class).is(StateDirectory.of(options.stateDirectory)),
  53                                 ObjectBinding.forClass(ChainDirectory.class).is(ChainDirectory.of(options.chainDirectory)),
  54                                 ObjectBinding.forClass(EmailAction.class).is(errorEmailAction)
  55                 ));
  56
  57                 /* start a watcher. */
  58                 ChainWatcher chainWatcher = injector.getInstance(ChainWatcher.class);
  59                 chainWatcher.startAsync().awaitTerminated();
  60         }
  61
  62         private static EmailAction createErrorEmailAction(String smtpHostname, String errorEmailSender, String errorEmailRecipient) {
  63                 return new EmailAction(smtpHostname, errorEmailSender, errorEmailRecipient);
  64         }
  65
  66 }