Initial autoupdater

src/main/java/kcauldron/KCauldronCommand.java

@@ -0,0 +1,71 @@
+package kcauldron;
+
+import kcauldron.updater.CommandSenderUpdateCallback;
+import kcauldron.updater.KCauldronUpdater;
+import kcauldron.updater.KVersionRetriever;
+
+import org.bukkit.ChatColor;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandSender;
+
+public class KCauldronCommand extends Command {
+	public static final String NAME = "kcauldron";
+	public static final String CHECK = NAME + ".check";
+	public static final String UPDATE = NAME + ".update";
+
+	public KCauldronCommand() {
+		super(NAME);
+
+		StringBuilder builder = new StringBuilder();
+		builder.append(String.format("/%s check\n", NAME));
+		builder.append(String.format("/%s update [version]\n", NAME));
+		setUsage(builder.toString());
+
+		setPermission("kcauldron");
+	}
+
+	public boolean testPermission(CommandSender target, String permission) {
+		if (testPermissionSilent(target, permission)) {
+			return true;
+		}
+		target.sendMessage(ChatColor.RED
+				+ "I'm sorry, but you do not have permission to perform this command. Please contact the server administrators if you believe that this is in error.");
+		return false;
+	}
+
+	public boolean testPermissionSilent(CommandSender target, String permission) {
+		if (!super.testPermissionSilent(target)) {
+			return false;
+		}
+		for (String p : permission.split(";"))
+			if (target.hasPermission(p))
+				return true;
+		return false;
+	}
+
+	@Override
+	public boolean execute(CommandSender sender, String commandLabel,
+			String[] args) {
+		if (!testPermission(sender))
+			return true;
+		if (args.length == 0) {
+			sender.sendMessage(ChatColor.YELLOW + "Please specify action");
+			return true;
+		}
+		String action = args[0];
+		if ("check".equals(action)) {
+			if (!testPermission(sender, CHECK))
+				return true;
+			sender.sendMessage(ChatColor.GREEN + "Initiated version check...");
+			new KVersionRetriever(new CommandSenderUpdateCallback(sender),
+					false);
+		} else if ("update".equals(action)) {
+			KCauldronUpdater.initUpdate(sender, args.length > 1 ? args[1]
+					: null);
+		} else {
+			sender.sendMessage(ChatColor.RED + "Unknown action");
+		}
+		return true;
+	}
+
+}