Add basic command.

src/main/java/net/lewmc/jailhouse/Jailhouse.java

@@ -1,5 +1,6 @@
 package net.lewmc.jailhouse;
 
+import net.lewmc.jailhouse.commands.JailhouseCommand;
 import net.lewmc.jailhouse.utils.LogUtil;
 import net.lewmc.jailhouse.utils.UpdateUtil;
 import org.bstats.bukkit.Metrics;
@@ -43,6 +44,8 @@ public void onEnable() {
         update.VersionCheck();
         update.UpdateConfig();
 
+        this.loadCommands();
+
         this.log.info("Startup completed.");
     }
 
@@ -51,6 +54,14 @@ public void onEnable() {
      */
     private void initFileSystem() {
         saveDefaultConfig();
+        saveResource("bans.yml", false);
+    }
+
+    /**
+     * Loads commands.
+     */
+    public void loadCommands() {
+        this.getCommand("jailhouse").setExecutor(new JailhouseCommand(this));
     }
 
     @Override

src/main/java/net/lewmc/jailhouse/commands/JailhouseCommand.java

@@ -0,0 +1,43 @@
+package net.lewmc.jailhouse.commands;
+
+import net.lewmc.jailhouse.Jailhouse;
+import net.lewmc.jailhouse.utils.MessageUtil;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandExecutor;
+import org.bukkit.command.CommandSender;
+import org.jetbrains.annotations.NotNull;
+
+public class JailhouseCommand implements CommandExecutor {
+    private final Jailhouse plugin;
+
+    /**
+     * Constructor for the JailhouseCommand class.
+     * @param plugin References to the main plugin class.
+     */
+    public JailhouseCommand(Jailhouse plugin) {
+        this.plugin = plugin;
+    }
+
+    /**
+     * /jailhouse command handler.
+     * @param commandSender Information about who sent the command - player or console.
+     * @param command Information about what command was sent.
+     * @param s Command label - not used here.
+     * @param args The command's arguments.
+     * @return boolean true/false - was the command accepted and processed or not?
+     */
+    @Override
+    public boolean onCommand(@NotNull CommandSender commandSender, @NotNull Command command, @NotNull String s, @NotNull String[] args) {
+
+        MessageUtil message = new MessageUtil(commandSender, this.plugin);
+
+        if (command.getName().equalsIgnoreCase("jailhouse")) {
+            message.PrivateMessage("Running Jailhouse version " + plugin.getDescription().getVersion());
+            message.PrivateMessage("Created by LewMC.");
+
+            return true;
+        }
+
+        return true;
+    }
+}

src/main/java/net/lewmc/jailhouse/utils/MessageUtil.java

@@ -0,0 +1,42 @@
+package net.lewmc.jailhouse.utils;
+
+import net.lewmc.jailhouse.Jailhouse;
+import org.bukkit.ChatColor;
+import org.bukkit.command.CommandSender;
+
+/**
+ * Jailhouse's Messaging Utility
+ */
+public class MessageUtil {
+
+    private final CommandSender cs;
+    private final Jailhouse plugin;
+
+    /**
+     * Constructor for the MessageUtil class
+     *
+     * @param cs     CommandSender - the user who sent the command.
+     * @param plugin Reference to the main Essence class.
+     */
+    public MessageUtil(CommandSender cs, Jailhouse plugin) {
+        this.cs = cs;
+        this.plugin = plugin;
+    }
+
+    /**
+     * Send a message to the user.
+     * @param message String - The message taken from the language file.
+     */
+    public void PrivateMessage(String message) {
+        this.cs.sendMessage(ChatColor.GOLD + "[Jailhouse] " + ChatColor.YELLOW + message);
+    }
+
+    /**
+     * Send a message to a specific user.
+     * @param cs CommandSender - Who to send the message to.
+     * @param message String - The message taken from the language file.
+     */
+    public void SendTo(CommandSender cs, String message) {
+        cs.sendMessage(ChatColor.GOLD + "[Jailhouse] " + ChatColor.YELLOW + message);
+    }
+}

src/main/resources/bans.yml

@@ -0,0 +1 @@
+bans:

src/main/resources/plugin.yml

@@ -6,4 +6,8 @@ author: LewMC
 description: Jailhouse is a free and easy to use Minecraft banning system.
 website: https://lewmc.net/plugin/jailhouse
 load: POSTWORLD
-folia-supported: true
+folia-supported: true
+commands:
+  jailhouse:
+    description: Main command.
+    aliases: ['jail', 'jh']