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annotate src/luan/tools/WebServlet.java @ 86:6db8f286fa6c

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_ENV is per module, not global git-svn-id: https://luan-java.googlecode.com/svn/trunk@87 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Wed, 27 Feb 2013 08:03:51 +0000
parents cca4f8522893
children b1e87f1bcc13
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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1 package luan.tools;
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3 import java.io.IOException;
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4 import javax.servlet.ServletException;
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5 import javax.servlet.ServletOutputStream;
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6 import javax.servlet.http.HttpServlet;
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7 import javax.servlet.http.HttpServletRequest;
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8 import javax.servlet.http.HttpServletResponse;
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9 import luan.LuanState;
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10 import luan.LuanException;
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11 import luan.LuanRuntimeException;
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12 import luan.LuanFunction;
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13 import luan.LuanElement;
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14 import luan.interp.LuanCompiler;
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15 import luan.lib.HttpLib;
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16 import luan.lib.BasicLib;
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17 import luan.lib.PackageLib;
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18 import luan.lib.MathLib;
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19 import luan.lib.StringLib;
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20 import luan.lib.TableLib;
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21 import luan.lib.HtmlLib;
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24 public class WebServlet extends HttpServlet {
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26 protected LuanState luanState = null;
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28 protected void loadLibs(LuanState luan) throws LuanException {
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29 luan.load(BasicLib.NAME,BasicLib.LOADER);
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30 luan.load(PackageLib.NAME,PackageLib.LOADER);
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31 luan.load(MathLib.NAME,MathLib.LOADER);
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32 luan.load(StringLib.NAME,StringLib.LOADER);
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33 luan.load(TableLib.NAME,TableLib.LOADER);
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34 luan.load(HtmlLib.NAME,HtmlLib.LOADER);
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35 }
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37 protected LuanState newLuanState() throws LuanException {
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38 LuanState luan = LuanCompiler.newLuanState();
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39 loadLibs(luan);
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40 HttpLib.load(luan);
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41 return luan;
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42 }
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43
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44 protected LuanState getLuanState(HttpServletRequest request) throws LuanException {
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45 synchronized(this) {
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46 if( luanState == null )
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47 luanState = newLuanState();
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48 }
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49 return luanState.deepClone();
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50 }
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52 @Override protected void service(HttpServletRequest request,HttpServletResponse response)
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53 throws ServletException, IOException
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54 {
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55 try {
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56 LuanState luan = getLuanState(request);
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57 HttpLib.service(luan,request,response);
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58 } catch(LuanException e) {
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59 throw new LuanRuntimeException(e);
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60 }
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61 }
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63 }