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annotate src/luan/modules/http/impl/HttpServicer.java @ 1163:fef8f0742da9

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author Franklin Schmidt <fschmidt@gmail.com>
date Tue, 06 Feb 2018 22:04:47 -0700
parents 4beabb087be6
children 7e6f28c769a1
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1 package luan.modules.http.impl;
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2
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3 import org.slf4j.Logger;
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4 import org.slf4j.LoggerFactory;
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5 import luan.webserver.Request;
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6 import luan.webserver.Response;
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7 import luan.LuanState;
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8 import luan.LuanFunction;
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9 import luan.LuanException;
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10 import luan.LuanTable;
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11 import luan.LuanCloner;
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12 import luan.modules.PackageLuan;
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15 public final class HttpServicer {
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16 private static final Logger logger = LoggerFactory.getLogger(HttpServicer.class);
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17
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18 public static Response service(LuanState luan,Request request)
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19 throws LuanException
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20 {
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21 if( request.path.endsWith("/") )
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22 return null;
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23 LuanFunction fn;
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24 synchronized(luan) {
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25 String modName = "site:" + request.path +".luan";
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26 PackageLuan.enableLoad(luan,"luan:http/Http.luan",modName);
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27 LuanTable module = (LuanTable)PackageLuan.require(luan,"luan:http/Http.luan");
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28 Object mod = PackageLuan.load(luan,modName);
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29 if( mod.equals(Boolean.FALSE) )
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30 return null;
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31 if( !(mod instanceof LuanFunction) )
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32 throw new LuanException( "module '"+modName+"' must return a function" );
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33 LuanCloner cloner = new LuanCloner(LuanCloner.Type.INCREMENTAL);
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34 luan = (LuanState)cloner.clone(luan);
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35 fn = (LuanFunction)cloner.get(mod);
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36 }
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38 LuanTable module = (LuanTable)PackageLuan.require(luan,"luan:http/Http.luan");
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40 // request
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41 LuanFunction newRequestFn = (LuanFunction)module.rawGet("new_request");
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42 newRequestFn.call( luan, new Object[]{request} );
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44 // response
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45 LuanFunction newResponseFn = (LuanFunction)module.rawGet("new_response");
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46 newResponseFn.call(luan);
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48 fn.call(luan);
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50 LuanFunction finishFn = (LuanFunction)module.rawGet("finish");
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51 Response response = (Response)finishFn.call(luan);
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52 return response;
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53 }
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55 }