[Lizardz] Warn Plugin 1.0

gistfile1.java

package me.Lizardz.dev;

import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;
import org.bukkit.plugin.java.JavaPlugin;

/**
 * Created by Alexander on 2/19/2015.
 */
public class WarnMain extends JavaPlugin{

    @Override
    public void onEnable() {
        getLogger().info(ChatColor.AQUA + "Warn Plugin has been enabled!");
    }

    String prefix = ChatColor.DARK_AQUA + "Punishments " + ChatColor.GOLD + toString() + ChatColor.BOLD + "> " + ChatColor.DARK_AQUA;

    @Override
    public void onDisable() {
        getLogger().info(ChatColor.RED + "Warn Plugin has been disabled!");
    }

    @Override
    public boolean onCommand(CommandSender sender, Command cmd, String label, String[] args) {
        if (cmd.getName().equalsIgnoreCase("warn")) {
            Player p = (Player) sender; //Casting the player
            if (args.length <= 1) { //checking arguments count
                sender.sendMessage(prefix + "/warn <player> <reason>");
                return true;
            }
            if (!p.hasPermission("punish.warn")) {
                p.sendMessage(prefix + "You don't have permission for that command!"); //sends player a message
                return true;
            }
            Player target = Bukkit.getPlayer(args[0]);
            if (target == null) { //checking is player is online
                p.sendMessage(prefix + target.getName() + " is not online!");
                return true;
            }
            StringBuilder sb = new StringBuilder(); //putting strings of reason together
            for (Integer i = 1; i <args.length; i++) {
                sb.append(args[i]).append((" "));
            }
            target.sendMessage(ChatColor.DARK_RED + "ATTENTION" + ChatColor.DARK_GRAY + ":" + ChatColor.RED + " You have been warned for " + ChatColor.DARK_RED + sb.toString().trim() + ChatColor.RED + "!");
            p.sendMessage(ChatColor.DARK_GREEN + "ATTENTION" + ChatColor.DARK_GRAY + ":" + ChatColor.GREEN + " You have successfully warned " + ChatColor.DARK_GREEN + target.getName() + ChatColor.GREEN + "!");
        }
        return false;
    }
}