package com.jfinal.render;import java.io.IOException;import java.io.Writer;import java.util.Properties;import javax.servlet.ServletContext;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import org.apache.velocity.Template;import org.apache.velocity.app.Velocity;import org.apache.velocity.app.VelocityEngine;import org.apache.velocity.context.Context;import org.apache.velocity.io.VelocityWriter;import org.apache.velocity.runtime.RuntimeConstants;import org.apache.velocity.tools.view.ToolboxManager;import org.apache.velocity.tools.view.context.ChainedContext;import org.apache.velocity.tools.view.servlet.ServletToolboxManager;import org.apache.velocity.util.SimplePool;@SuppressWarnings("deprecation")public class VelocityWithToolboxRender extends Render{   private static final String TOOL_BOX_CONF_FILE ="/WEB-INF/toolbox.xml";   private static final String encoding = getEncoding();   private static final String contentType = "text/html;charset=" + encoding;   protected ToolboxManager toolboxManager = null;   private static SimplePool writerPool = new SimplePool(40);   public VelocityWithToolboxRender(String view)   {      this.view = view;      initToolbox(RenderFactory.getServletContext());   }      static {      String webPath = RenderFactory.getServletContext().getRealPath("/");        Properties properties = new Properties();      properties.setProperty(RuntimeConstants.FILE_RESOURCE_LOADER_PATH, webPath);      properties.setProperty(RuntimeConstants.ENCODING_DEFAULT, encoding);       properties.setProperty(RuntimeConstants.INPUT_ENCODING, encoding);       properties.setProperty(RuntimeConstants.OUTPUT_ENCODING, encoding);             Velocity.init(properties);    }   protected void initToolbox(ServletContext servletContext)   {      toolboxManager = ServletToolboxManager.getInstance(servletContext, TOOL_BOX_CONF_FILE);   }   @SuppressWarnings("unchecked")   protected Context createContext(HttpServletRequest req, HttpServletResponse resp)   {      ChainedContext ctx = new ChainedContext(new VelocityEngine(), req, resp, RenderFactory.getServletContext());      if (toolboxManager != null)      {         ctx.setToolbox(toolboxManager.getToolbox(ctx));      }      return ctx;   }   @Override   public void render()   {      Context context = createContext(request, response);      VelocityWriter vw = null;      Template template = Velocity.getTemplate(view);      response.setContentType(contentType);      try      {         Writer writer = response.getWriter();         vw = (VelocityWriter) writerPool.get();         if (vw == null)         {            vw = new VelocityWriter(writer, 4 * 1024, true);         }         else         {            vw.recycle(writer);         }         template.merge(context, vw);      }      catch (IOException e)      {      }      finally      {         if (vw != null)         {            try            {               vw.flush();               vw.recycle(null);               writerPool.put(vw);            }            catch (Exception e)            {               Velocity                     .debug("VelocityViewServlet: " + "Trouble releasing VelocityWriter: " + e.getMessage());            }         }      }   }}

@Override   public void render(String view)   {      super.render(new VelocityWithToolboxRender(view));   }