signfix

package com.samistine.samistinesignfix;

import java.util.Arrays;
import java.util.logging.Level;

import org.bukkit.block.Block;
import org.bukkit.block.BlockState;
import org.bukkit.block.Sign;
import org.bukkit.event.EventHandler;
import org.bukkit.event.EventPriority;
import org.bukkit.event.Listener;
import org.bukkit.event.block.SignChangeEvent;
import org.bukkit.event.world.ChunkLoadEvent;
import org.bukkit.plugin.java.JavaPlugin;

public class SamistineSignFix extends JavaPlugin implements Listener {

    @Override
    public void onEnable() {
        getServer().getPluginManager().registerEvents(this, this);
    }

    @EventHandler(ignoreCancelled = true, priority = EventPriority.LOWEST)
    public void onChunkLoad(ChunkLoadEvent e) {
        for (BlockState state : e.getChunk().getTileEntities()){
            if (state instanceof Sign) {
                final Sign sign = (Sign) state;
                if (sign.getLines().length() > 100) {
                    getServer().getScheduler().scheduleSyncDelayedTask(this, new Runnable() {
                        public void run() {
                            editSign(sign);
                        }
                    });
                }
            }
        }
    }

    @EventHandler(ignoreCancelled = true, priority = EventPriority.LOWEST)
    public void onSignChangeEvent(SignChangeEvent e) {
        if (e.getLines() > 100) {
            e.setCancelled(true);
            Bukkit.getScheduler().scheduleSyncDelayedTask(this, new Runnable() {
                @Override
                public void run() {
                    editSign((Sign) e.getBlock().getState());
                }
            });
        }
    }

    public void editSign(final Sign sign) {
        if (sign != null && sign.getChunk().isLoaded()) {
            getLogger().log(Level.WARNING, "Invalid signs at {0} :", sign.getLocation().toString());
            sign.setLine(0, "YOU CAN'T DO THAT");
            sign.setLine(1, "Protected By");
            sign.setLine(2, "SamistineSignFix");
            sign.setLine(3, "Have a nice day");
            sign.update();
        }
    }
}