Package com.l2jfrozen.gameserver.script.faenor

Source Code of com.l2jfrozen.gameserver.script.faenor.FaenorScriptEngine$SingletonHolder

/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*
* http://www.gnu.org/copyleft/gpl.html
*/
package com.l2jfrozen.gameserver.script.faenor;

import java.io.File;
import java.io.FileFilter;
import java.io.IOException;
import java.util.LinkedList;
import java.util.List;
import java.util.logging.Logger;
import java.util.zip.ZipException;
import java.util.zip.ZipFile;

import javax.script.ScriptContext;
import javax.script.ScriptException;

import org.w3c.dom.Node;

import com.l2jfrozen.Config;
import com.l2jfrozen.gameserver.script.Parser;
import com.l2jfrozen.gameserver.script.ParserNotCreatedException;
import com.l2jfrozen.gameserver.script.ScriptDocument;
import com.l2jfrozen.gameserver.script.ScriptEngine;
import com.l2jfrozen.gameserver.script.ScriptPackage;
import com.l2jfrozen.gameserver.scripting.L2ScriptEngineManager;

/**
* @author Luis Arias
*/
public class FaenorScriptEngine extends ScriptEngine
{
  static Logger _log = Logger.getLogger(FaenorScriptEngine.class.getName());
  public final static String PACKAGE_DIRECTORY = "data/faenor/";
  public final static boolean DEBUG = true;

  private LinkedList<ScriptDocument> _scripts;

  public static FaenorScriptEngine getInstance()
  {
    return SingletonHolder._instance;
  }

  private FaenorScriptEngine()
  {
    _scripts = new LinkedList<ScriptDocument>();
    loadPackages();
    parsePackages();

  }

  public void reloadPackages()
  {
    _scripts = new LinkedList<ScriptDocument>();
    parsePackages();
  }

  private void loadPackages()
  {
    _log.info("[FeanorScriptEngine] Loading Packages ...");
   
    File packDirectory = new File(Config.DATAPACK_ROOT, PACKAGE_DIRECTORY);//_log.sss(packDirectory.getAbsolutePath());

    FileFilter fileFilter = new FileFilter() {
      @Override
      public boolean accept(File file)
      {
        return file.getName().endsWith(".zip");
      }
    };

    File[] files = packDirectory.listFiles(fileFilter);
    if(files == null){
      _log.info("[FeanorScriptEngine] No Packages Loaded ...");
      return;
    }
    ZipFile zipPack;

    _log.info("[FeanorScriptEngine] Loading files ...");
   
    for(File file : files)
    {
      try
      {
        zipPack = new ZipFile(file);
      }
      catch(ZipException e)
      {
        e.printStackTrace();
        continue;
      }
      catch(IOException e)
      {
        e.printStackTrace();
        continue;
      }

      ScriptPackage module = new ScriptPackage(zipPack);

      List<ScriptDocument> scrpts = module.getScriptFiles();
      for(ScriptDocument script : scrpts)
      {
        _scripts.add(script);
      }
      try
      {
        zipPack.close();
      }
      catch(IOException e)
      {
        if(Config.ENABLE_ALL_EXCEPTIONS)
          e.printStackTrace();
      }
    }
   
    _log.info("[FeanorScriptEngine] Loaded "+_scripts.size()+" scripts ...");
   
    /*for (ScriptDocument script : scripts)
     {
     _log.sss("Script: "+script);
     }
     _log.sss("Sorting");
     orderScripts();
     for (ScriptDocument script : scripts)
     {
     _log.sss("Script: "+script);
     }*/
  }

  public void orderScripts()
  {
    if(_scripts.size() > 1)
    {
      //ScriptDocument npcInfo = null;

      for(int i = 0; i < _scripts.size();)
      {
        if(_scripts.get(i).getName().contains("NpcStatData"))
        {
          _scripts.addFirst(_scripts.remove(i));
          //scripts.set(i, scripts.get(0));
          //scripts.set(0, npcInfo);
        }
        else
        {
          i++;
        }
      }
    }
  }

  public void parsePackages()
  {
    L2ScriptEngineManager sem = L2ScriptEngineManager.getInstance();
    ScriptContext context = sem.getScriptContext("beanshell");
    try
    {
      sem.eval("beanshell", "double log1p(double d) { return Math.log1p(d); }");
      sem.eval("beanshell", "double pow(double d, double p) { return Math.pow(d,p); }");

      for(ScriptDocument script : _scripts)
      {
        parseScript(script, context);
      }
    }
    catch(ScriptException e)
    {
      e.printStackTrace();
    }
  }

  public void parseScript(ScriptDocument script, ScriptContext context)
  {
    if(DEBUG)
    {
      _log.fine("Parsing Script: " + script.getName());
    }

    Node node = script.getDocument().getFirstChild();
    String parserClass = "faenor.Faenor" + node.getNodeName() + "Parser";

    Parser parser = null;
    try
    {
      parser = createParser(parserClass);
    }
    catch(ParserNotCreatedException e)
    {
      _log.warning("ERROR: No parser registered for Script: " + parserClass);
      e.printStackTrace();
    }

    if(parser == null)
    {
      _log.warning("Unknown Script Type: " + script.getName());
      return;
    }

    try
    {
      parser.parseScript(node, context);
      _log.fine(script.getName() + "Script Sucessfullty Parsed.");
    }
    catch(Exception e)
    {
      e.printStackTrace();
      _log.warning("Script Parsing Failed.");
    }
  }

  @Override
  public String toString()
  {
    if(_scripts.isEmpty())
      return "No Packages Loaded.";

    String out = "Script Packages currently loaded:\n";

    for(ScriptDocument script : _scripts)
    {
      out += script;
    }
    return out;
  }

  @SuppressWarnings("synthetic-access")
  private static class SingletonHolder
  {
    protected static final FaenorScriptEngine _instance = new FaenorScriptEngine();
  }
}
TOP

Related Classes of com.l2jfrozen.gameserver.script.faenor.FaenorScriptEngine$SingletonHolder

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.