Quick Start

import io.github.chi2l3s.nextlib.api.command.CommandRegistry;
import io.github.chi2l3s.nextlib.api.command.LongCommandExecutor;
import io.github.chi2l3s.nextlib.api.command.SubCommand;
import io.github.chi2l3s.nextlib.api.color.ColorUtil;
import io.github.chi2l3s.nextlib.api.color.ColorUtilImpl;
import org.bukkit.command.CommandSender;
import org.bukkit.permissions.Permission;
import org.bukkit.plugin.java.JavaPlugin;

public class MyPlugin extends JavaPlugin {
  @Override
  public void onEnable() {
    // Register root command with a subcommand
    new CommandRegistry(this).registerCommand("hello", new HelloCommand());
    getLogger().info("MyPlugin enabled!");
  }

  static class HelloCommand extends LongCommandExecutor {
    private final ColorUtil color = new ColorUtilImpl();
    HelloCommand() {
      addSubCommand(new SubCommand() {
        public void onExecute(CommandSender sender, String[] args) {
          sender.sendMessage(color.formatMessage("&a&lHello World!"));
        }
        public java.util.List<String> onTabComplete(CommandSender s, String[] a) {
          return java.util.List.of();
        }
      }, new String[]{"run"}, new Permission("hello.use"));
    }
  }
}