Bukkit

package com.BaSingGuild.VisualBukkitLink;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.util.logging.Logger;

import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;
import javax.script.ScriptException;
import javax.script.Invocable;

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

public class VisualBukkitLink extends JavaPlugin {
 public void onEnable(){ 
  getLogger().info("Your plugin has been enabled.");
 }
  
 public void onDisable(){ 
  
 }
 public boolean onCommand(CommandSender sender, Command cmd, String commandLabel, String[] args){
  Player player = null;
  if (sender instanceof Player) {
   player = (Player) sender;
  }
  
   if (cmd.getName().equalsIgnoreCase("vbl")){ // If the player typed /basic then do the following...
   // do something...
   return true;
  } else if (cmd.getName().equalsIgnoreCase("vblv")) {
   if (player == null) {
    Object scriptReturnValue = null;
    ScriptEngineManager mgr = new ScriptEngineManager();
    ScriptEngine jsEngine = mgr.getEngineByName("JavaScript");
    jsEngine.put("Me", this);
    jsEngine.put("SRV", scriptReturnValue);
    jsEngine.put("MyWorld", getServer().getWorld("MyWorld"));
    System.out.println("Executing in script environment...");
    // StringWriter scriptOutput = new StringWriter();
          // jsEngine.getContext().setWriter(new PrintWriter(scriptOutput));
    // getServer().getWorld("MyWorld").getTime();
    try {
     jsEngine.eval(args[0]);
     scriptReturnValue = jsEngine.get("SRV");
           //if (scriptReturnValue == null) {
           //    System.out.println("Script returned null");
           // } else {
               System.out.println(
                   "Script returned type " + jsEngine.get("SRV").getClass().getName() +
                   ", with string value '" + jsEngine.get("SRV") + "'"
               );
            //   }
           }
     catch (ScriptException ex)  {
     ex.printStackTrace();
    }
   } else {
    // do something else...
   }
   return true;
  }
  return false;
 }
}