Implemented basis message handling

Author: DemonExposer

.idea/misc.xml

@@ -0,0 +1,9 @@
+package nl.ordewittetafel.minecom_plugin;
+
+/**
+ * A class containing all the global constants
+ */
+public class Constants {
+	public static final String DC_BOT_IP_KEY = "dcbot-ip";
+	public static final String DC_BOT_PORT_KEY = "dcbot-port";
+}

src/main/java/nl/ordewittetafel/minecom_plugin/Constants.java

@@ -1,7 +1,23 @@
 package nl.ordewittetafel.minecom_plugin;
 
-public class Main {
-	public static void main(String[] args) {
+import nl.ordewittetafel.minecom_plugin.listeners.ChatListener;
+import org.bukkit.Bukkit;
+import org.bukkit.configuration.file.FileConfiguration;
+import org.bukkit.plugin.java.JavaPlugin;
 
+public class Main extends JavaPlugin {
+	@Override
+	public void onEnable() {
+		FileConfiguration config = getConfig();
+		/*
+		 * The next config values may be changed according to your Discord bot setting in config.yml after the plugin
+		 * has been run once
+		 */
+		config.addDefault(Constants.DC_BOT_IP_KEY, "127.0.0.1"); // The address of the Discord bot
+		config.addDefault(Constants.DC_BOT_PORT_KEY, "500"); // The port of the Discord bot
+		config.options().copyDefaults(true);
+		saveConfig();
+
+		Bukkit.getPluginManager().registerEvents(new ChatListener(this), this);
 	}
 }

src/main/java/nl/ordewittetafel/minecom_plugin/Main.java

@@ -0,0 +1,42 @@
+package nl.ordewittetafel.minecom_plugin.listeners;
+
+import nl.ordewittetafel.minecom_plugin.Constants;
+import nl.ordewittetafel.minecom_plugin.network.MessageTransmitter;
+import org.bukkit.configuration.file.FileConfiguration;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.player.AsyncPlayerChatEvent;
+import org.bukkit.plugin.java.JavaPlugin;
+import org.json.JSONObject;
+
+import java.io.IOException;
+
+/**
+ * This class waits for a message in the chat and then sends it to the Discord bot connected to this plugin
+ */
+public class ChatListener implements Listener {
+	private final JavaPlugin plugin;
+	private final FileConfiguration config;
+
+	public ChatListener(JavaPlugin plugin) {
+		this.plugin = plugin;
+		config = plugin.getConfig();
+	}
+
+	@EventHandler
+	public void onPlayerChat(AsyncPlayerChatEvent e) {
+		JSONObject messageData = new JSONObject();
+		messageData.put("sender", e.getPlayer().getName());
+		messageData.put("message", e.getMessage());
+
+		try {
+			MessageTransmitter.transmit(
+					config.getString(Constants.DC_BOT_IP_KEY),
+					config.getInt(Constants.DC_BOT_PORT_KEY),
+					messageData
+			);
+		} catch (IOException err) {
+			err.printStackTrace();
+		}
+	}
+}

src/main/java/nl/ordewittetafel/minecom_plugin/listeners/ChatListener.java

@@ -0,0 +1,25 @@
+package nl.ordewittetafel.minecom_plugin.network;
+
+import org.json.JSONObject;
+
+import java.io.DataOutputStream;
+import java.io.IOException;
+import java.net.Socket;
+
+public class MessageTransmitter {
+	/**
+	 * Transmits a message over TCP
+	 * @param address The host to send the message to
+	 * @param port The host's port
+	 * @param message The message to send
+	 * @throws IOException If a socket could not be created
+	 */
+	public static void transmit(String address, int port, JSONObject message) throws IOException {
+		Socket s = new Socket(address, port);
+		DataOutputStream dout = new DataOutputStream(s.getOutputStream());
+		dout.writeBytes(message.toString());
+		dout.flush();
+		dout.close();
+		s.close();
+	}
+}

src/main/java/nl/ordewittetafel/minecom_plugin/network/MessageTransmitter.java

@@ -0,0 +1,4 @@
+name: MineCom-Plugin
+main: nl.ordewittetafel.minecom_plugin
+version: 1.0
+author: Kelvin Bouma