--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/luan/tools/WebServlet.java	Fri Feb 15 04:52:16 2013 +0000
@@ -0,0 +1,66 @@
+package luan.tools;
+
+import java.io.IOException;
+import javax.servlet.ServletException;
+import javax.servlet.ServletOutputStream;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import luan.LuanState;
+import luan.LuanException;
+import luan.LuanRuntimeException;
+import luan.LuanFunction;
+import luan.LuanElement;
+import luan.interp.LuanCompiler;
+import luan.lib.HttpLib;
+import luan.lib.BasicLib;
+import luan.lib.PackageLib;
+import luan.lib.MathLib;
+import luan.lib.StringLib;
+import luan.lib.TableLib;
+import luan.lib.HtmlLib;
+
+
+public class WebServlet extends HttpServlet {
+
+	public static final String HTTP_SERVER = "http_server";
+
+	protected void loadLibs(LuanState luan) throws LuanException {
+		luan.load(BasicLib.LOADER,BasicLib.NAME);
+		luan.load(PackageLib.LOADER,PackageLib.NAME);
+		luan.load(MathLib.LOADER,MathLib.NAME);
+		luan.load(StringLib.LOADER,StringLib.NAME);
+		luan.load(TableLib.LOADER,TableLib.NAME);
+		luan.load(HtmlLib.LOADER,HtmlLib.NAME);
+	}
+
+	protected void loadLuan(LuanState luan) throws LuanException {
+		PackageLib.require(luan,HTTP_SERVER);
+		Object fn = luan.global.get(HttpLib.FN_NAME);
+		if( !(fn instanceof LuanFunction) )
+			throw new LuanException( luan, LuanElement.JAVA, "function '"+HttpLib.FN_NAME+"' not defined" );
+	}
+
+	protected LuanState newLuanState() throws LuanException {
+		LuanState luan = LuanCompiler.newLuanState();
+		loadLibs(luan);
+		loadLuan(luan);
+		return luan;
+	}
+
+	protected LuanState getLuanState() throws LuanException {
+		return newLuanState();
+	}
+
+	protected void service(HttpServletRequest request,HttpServletResponse response)
+		throws ServletException, IOException
+	{
+		try {
+			LuanState luan = getLuanState();
+			HttpLib.service(luan,request,response);
+		} catch(LuanException e) {
+			throw new LuanRuntimeException(e);
+		}
+	}
+
+}