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comparison http/src/luan/modules/http/HttpServicer.java @ 505:7bc63886d4f2

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web page modules now return a function
author Franklin Schmidt <fschmidt@gmail.com>
date Thu, 21 May 2015 01:45:49 -0600
parents dbdf4b8193a8
children 7d1afc73f835
comparison
equal deleted inserted replaced
504:dbdf4b8193a8 505:7bc63886d4f2
50 LuanTable module = (LuanTable)PackageLuan.require(luan,"luan:http/Http"); 50 LuanTable module = (LuanTable)PackageLuan.require(luan,"luan:http/Http");
51 LuanTable per_session_pages = (LuanTable)module.rawGet("per_session_pages"); 51 LuanTable per_session_pages = (LuanTable)module.rawGet("per_session_pages");
52 Object mod = PackageLuan.load(luan,modName); 52 Object mod = PackageLuan.load(luan,modName);
53 if( mod==null ) 53 if( mod==null )
54 return false; 54 return false;
55 if( !(mod instanceof LuanTable) ) 55 if( !(mod instanceof LuanFunction) )
56 throw luan.exception( "module '"+modName+"' must return a table" ); 56 throw luan.exception( "module '"+modName+"' must return a function" );
57 LuanTable tbl = (LuanTable)mod;
58 if( Boolean.TRUE.equals(per_session_pages.rawGet(mod)) ) { 57 if( Boolean.TRUE.equals(per_session_pages.rawGet(mod)) ) {
59 HttpSession session = request.getSession(); 58 HttpSession session = request.getSession();
60 LuanState sessionLuan = (LuanState)session.getValue("luan"); 59 LuanState sessionLuan = (LuanState)session.getValue("luan");
61 if( sessionLuan!=null ) { 60 if( sessionLuan!=null ) {
62 luan = sessionLuan; 61 luan = sessionLuan;
63 } else { 62 } else {
64 DeepCloner cloner = new DeepCloner(); 63 DeepCloner cloner = new DeepCloner();
65 luan = (LuanState)cloner.deepClone(luan); 64 luan = (LuanState)cloner.deepClone(luan);
66 session.putValue("luan",luan); 65 session.putValue("luan",luan);
67 } 66 }
68 tbl = (LuanTable)PackageLuan.require(luan,modName); 67 fn = (LuanFunction)PackageLuan.require(luan,modName);
69 fn = getService(luan,tbl);
70 } else { 68 } else {
71 fn = getService(luan,tbl);
72 DeepCloner cloner = new DeepCloner(); 69 DeepCloner cloner = new DeepCloner();
73 luan = (LuanState)cloner.deepClone(luan); 70 luan = (LuanState)cloner.deepClone(luan);
74 fn = (LuanFunction)cloner.get(fn); 71 fn = (LuanFunction)cloner.get(mod);
75 } 72 }
76 } 73 }
77 74
78 LuanTable module = (LuanTable)PackageLuan.require(luan,"luan:http/Http"); 75 LuanTable module = (LuanTable)PackageLuan.require(luan,"luan:http/Http");
79 76
162 luan.call(fn,"<http>"); 159 luan.call(fn,"<http>");
163 setResponse(module,response); 160 setResponse(module,response);
164 return true; 161 return true;
165 } 162 }
166 163
167 private static LuanFunction getService(LuanState luan,LuanTable tbl)
168 throws LuanException
169 {
170 Object respond = tbl.get(luan,"respond");
171 if( respond == null )
172 throw luan.exception( "function 'respond' is not defined" );
173 if( !(respond instanceof LuanFunction) )
174 throw luan.exception( "'respond' must be a function but is a " + Luan.type(respond) );
175 return (LuanFunction)respond;
176 }
177
178 private static void setResponse(LuanTable module,HttpServletResponse response) throws LuanException { 164 private static void setResponse(LuanTable module,HttpServletResponse response) throws LuanException {
179 LuanTable responseTbl = (LuanTable)module.rawGet("response"); 165 LuanTable responseTbl = (LuanTable)module.rawGet("response");
180 int status = Luan.asInteger(responseTbl.rawGet("status")); 166 int status = Luan.asInteger(responseTbl.rawGet("status"));
181 response.setStatus(status); 167 response.setStatus(status);
182 LuanTable responseHeaders = (LuanTable)responseTbl.rawGet("headers"); 168 LuanTable responseHeaders = (LuanTable)responseTbl.rawGet("headers");