package com.easyjf.blog.logic;
import java.util.Properties;
import org.apache.log4j.Logger;
import org.apache.velocity.Template;
import org.apache.velocity.app.VelocityEngine;

import com.easyjf.web.Globals;

public class VelocityFactory {
private static final Logger logger = (Logger) Logger.getLogger(VelocityFactory.class);
private static  VelocityEngine ve;
private VelocityFactory()
{	
}
private static VelocityEngine getVelocityEngine()
{
	if(ve==null)doInit();		
	return ve;
}
private static  void doInit()
{			
	Properties p = new Properties();
	ve=new VelocityEngine();
	//System.out.println(ve==null);
	//System.out.println(Globals.APP_BASE_DIR+BaseSiteConfig.getInstance().getTemplatePath());
	 p.setProperty("file.resource.loader.path", Globals.APP_BASE_DIR+Globals.DEFAULT_TEMPLATE_PATH);
	
	      try
	        {
	    	 ve.init(p);
	        }
	        catch(Exception e)
	        {  
	        	System.out.println("初努化錯誤："+e);
	        }
	        }	       
	
public static Template getTemplate(String fileName)
{
	return getTemplate(fileName,"utf-8");
}
public static Template getTemplate(String fileName,String encoding)
{
	Template template = null;
	try{
	template=getVelocityEngine().getTemplate(fileName,encoding);	
	}
	catch(Exception e)
	{
		logger.error(e.getClass().toString()+e);
	}
	return template;
}
}