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annotate src/luan/modules/http/LuanHandler.java @ 785:d69d3c51c44e

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more work on incremental cloning
author Franklin Schmidt <fschmidt@gmail.com>
date Thu, 01 Sep 2016 21:32:28 -0600
parents 655280eab1e2
children fe63c508a177
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2b9bc97f0439 change luan:web to luan:http
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1 package luan.modules.http;
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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.http.HttpServlet;
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6 import javax.servlet.http.HttpServletRequest;
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7 import javax.servlet.http.HttpServletResponse;
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8 import org.slf4j.Logger;
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9 import org.slf4j.LoggerFactory;
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10 import org.eclipse.jetty.server.Request;
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11 import org.eclipse.jetty.server.handler.AbstractHandler;
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12 import luan.LuanState;
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13 import luan.LuanTable;
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14 import luan.LuanFunction;
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15 import luan.LuanCloner;
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16 import luan.LuanException;
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17 import luan.modules.PackageLuan;
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20 public class LuanHandler extends AbstractHandler {
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21 private final LuanState luan;
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22 private final Logger logger;
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23 private String welcomeFile = "index.html";
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24
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25 public LuanHandler(LuanState luan,String loggerRoot) {
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26 this.luan = luan;
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27 if( loggerRoot==null )
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28 loggerRoot = "";
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29 logger = LoggerFactory.getLogger(loggerRoot+LuanHandler.class.getName());
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30 }
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32 @Override public void handle(String target,Request baseRequest,HttpServletRequest request,HttpServletResponse response)
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33 throws IOException
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34 {
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35 if( target.endsWith("/") )
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36 target += welcomeFile;
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37 try {
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38 if( !HttpServicer.service(luan,request,response,"site:"+target+".luan") )
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39 return;
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40 } catch(LuanException e) {
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41 //e.printStackTrace();
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42 String err = e.getFullMessage();
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43 logger.error(err);
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44 response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR,err);
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45 }
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46 baseRequest.setHandled(true);
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47 }
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49 public void setWelcomeFile(String welcomeFile) {
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50 this.welcomeFile = welcomeFile;
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51 }
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52
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53 @Override protected void doStop() throws Exception {
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54 synchronized(luan) {
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55 luan.close();
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56 }
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57 //System.out.println("qqqqqqqqqqqqqqqqqqqq doStop "+this);
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58 super.doStop();
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59 }
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60 /*
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61 @Override public void destroy() {
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62 System.out.println("qqqqqqqqqqqqqqqqqqqq destroy "+this);
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63 super.destroy();
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64 }
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65 */
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66
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67 public Object call_rpc(String fnName,Object... args) throws LuanException {
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68 return callRpc(luan,fnName,args);
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69 }
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71 public static Object callRpc(LuanState luan,String fnName,Object... args) throws LuanException {
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72 synchronized(luan) {
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73 LuanCloner cloner = new LuanCloner(LuanCloner.Type.COMPLETE);
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74 luan = (LuanState)cloner.clone(luan);
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75 }
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76 LuanTable rpc = (LuanTable)PackageLuan.require(luan,"luan:Rpc.luan");
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77 LuanTable fns = (LuanTable)rpc.get(luan,"functions");
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78 LuanFunction fn = (LuanFunction)fns.get(luan,fnName);
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79 if( fn == null )
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80 throw new LuanException( "function not found: " + fnName );
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81 return fn.call(luan,args);
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82 }
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83
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84 }