⬆️ Update a bunch of dependencies
[rhynodge.git] / 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 }