WelcomeMe.java

package dk.monkeyboy.WelcomeMe;

import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
import java.util.logging.Logger;
import java.lang.Object;

import org.bukkit.command.CommandSender;
import org.bukkit.command.ConsoleCommandSender;
import org.bukkit.entity.Player;
import org.bukkit.event.player.PlayerEvent;
import org.bukkit.event.Event;
import org.bukkit.event.player.PlayerJoinEvent;
import org.bukkit.event.EventPriority;
import org.bukkit.plugin.PluginDescriptionFile;
import org.bukkit.plugin.PluginManager;
import org.bukkit.plugin.java.JavaPlugin;

public class WelcomeMe extends JavaPlugin {
    public ArrayList<String> UnformattedMessage = new ArrayList<String>();
    Logger log = Logger.getLogger("Minecraft");

    public void onDisable() { };

    public void onEnable()
    {
        PluginDescriptionFile pdfFile = this.getDescription();
        //System.out.println( pdfFile.getName() + " version " + pdfFile.getVersion() + " is enabled!" );
        log.info(pdfFile.getName() + " version " + pdfFile.getVersion() + " is enabled!");

        PluginManager pm = getServer().getPluginManager();

        pm.registerEvent(Event.Type.PLAYER_JOIN, new WelcomeMePlayerListener(this), EventPriority.NORMAL, this);

        getCommand("wm").setExecutor(new ReloadPluginCommand(this));
    }

    public void onLoad()
    {
        ReadMessageFromFile();
    }

    // Credit to Bone008 @http://forums.bukkit.org/threads/parse-for-color-codes.25965/
    public String Colorize(String s)
    {
        if(s == null) return null;
        return s.replaceAll("&([0-9a-f])", "\u00A7$1");
    }

    public void ReadMessageFromFile()
    {
        BufferedReader b = null;
        String str = null;

        try {
            b = new BufferedReader(new FileReader("plugins/WelcomeMe/message.txt"));
            UnformattedMessage.clear();

            while((str = b.readLine()) != null)
            {
                UnformattedMessage.add(Colorize(str));
            }
            b.close();
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public void DisplayMessage(Player player)
    {
        String playersString = "";
        String maxplayers = Integer.toString(getServer().getMaxPlayers());
        String numplayers = Integer.toString(getServer().getOnlinePlayers().length);

        for(Player p : getServer().getOnlinePlayers())
        {
            if(playersString.length() < 1){
                playersString = p.getDisplayName();
            } else {
                playersString = playersString + "," + p.getDisplayName();
            }
        }

        for(String s : UnformattedMessage)
        {
            s = s.replaceAll("%op", numplayers);
            s = s.replaceAll("%mp", maxplayers);
            s = s.replaceAll("%pl", playersString);
            s = s.replaceAll("%np", player.getDisplayName());
            player.sendMessage(s);
        }
    }

    public void DisplayMessage(CommandSender sender)
    {
        String playersString = "";
        String maxplayers = Integer.toString(getServer().getMaxPlayers());
        String numplayers = Integer.toString(getServer().getOnlinePlayers().length);
        String np = "";

        if(sender instanceof Player){
            Player player = (Player)sender;
            np = player.getDisplayName();
        } else if(sender instanceof ConsoleCommandSender){
            np = "Console";
        } else {
            np = "Unknown";
        }

        for(Player p : getServer().getOnlinePlayers())
        {
            if(playersString.length() < 1){
                playersString = p.getDisplayName();
            } else {
                playersString = playersString + "," + p.getDisplayName();
            }
        }

        for(String s : UnformattedMessage)
        {
            s = s.replaceAll("%op", numplayers);
            s = s.replaceAll("%mp", maxplayers);
            s = s.replaceAll("%pl", playersString);
            s = s.replaceAll("%np", np);
            sender.sendMessage(s);
        }
    }
}