Mercurial Hosting > luan
view src/luan/tools/WebServlet.java @ 84:cca4f8522893
minor changes
git-svn-id: https://luan-java.googlecode.com/svn/trunk@85 21e917c8-12df-6dd8-5cb6-c86387c605b9
author | fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9> |
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date | Mon, 18 Feb 2013 23:15:14 +0000 |
parents | 9df729fa4419 |
children | 6db8f286fa6c |
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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 LuanState luanState = null; protected void loadLibs(LuanState luan) throws LuanException { luan.load(BasicLib.NAME,BasicLib.LOADER); luan.load(PackageLib.NAME,PackageLib.LOADER); luan.load(MathLib.NAME,MathLib.LOADER); luan.load(StringLib.NAME,StringLib.LOADER); luan.load(TableLib.NAME,TableLib.LOADER); luan.load(HtmlLib.NAME,HtmlLib.LOADER); } protected LuanState newLuanState() throws LuanException { LuanState luan = LuanCompiler.newLuanState(); loadLibs(luan); 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" ); return luan; } protected LuanState getLuanState(HttpServletRequest request) throws LuanException { synchronized(this) { if( luanState == null ) luanState = newLuanState(); } return luanState.deepClone(); } protected void service(HttpServletRequest request,HttpServletResponse response) throws ServletException, IOException { try { LuanState luan = getLuanState(request); HttpLib.service(luan,request,response); } catch(LuanException e) { throw new LuanRuntimeException(e); } } }