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comparison src/luan/lib/HttpLib.java @ 140:f4ce03ff6b2f

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add per_session for Http git-svn-id: https://luan-java.googlecode.com/svn/trunk@141 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Fri, 13 Jun 2014 15:04:29 +0000
parents 3b384dc5ca91
children 05f8c21160ef
comparison
equal deleted inserted replaced
139:3b384dc5ca91 140:f4ce03ff6b2f
9 import javax.servlet.ServletOutputStream; 9 import javax.servlet.ServletOutputStream;
10 import javax.servlet.http.Cookie; 10 import javax.servlet.http.Cookie;
11 import javax.servlet.http.HttpServletRequest; 11 import javax.servlet.http.HttpServletRequest;
12 import javax.servlet.http.HttpServletResponse; 12 import javax.servlet.http.HttpServletResponse;
13 import javax.servlet.http.HttpSession; 13 import javax.servlet.http.HttpSession;
14 import luan.Luan;
14 import luan.LuanState; 15 import luan.LuanState;
15 import luan.LuanFunction; 16 import luan.LuanFunction;
16 import luan.LuanElement; 17 import luan.LuanElement;
17 import luan.LuanException; 18 import luan.LuanException;
18 import luan.LuanTable; 19 import luan.LuanTable;
29 @Override public Object call(LuanState luan,Object[] args) { 30 @Override public Object call(LuanState luan,Object[] args) {
30 return new LuanTable(); // starts empty 31 return new LuanTable(); // starts empty
31 } 32 }
32 }; 33 };
33 34
34 public static void service_per_request(LuanState luan,HttpServletRequest request,HttpServletResponse response,String modName) 35 public static void service(LuanState luan,HttpServletRequest request,HttpServletResponse response,String modName)
35 throws LuanException 36 throws LuanException
36 { 37 {
37 LuanFunction fn; 38 LuanFunction fn;
38 synchronized(luan) { 39 synchronized(luan) {
39 fn = getFn(luan,modName); 40 Object mod = PackageLib.require(luan,modName);
40 DeepCloner cloner = new DeepCloner(); 41 if( !(mod instanceof LuanTable) )
41 luan = cloner.deepClone(luan); 42 throw luan.exception( "module '"+modName+"' must return a table" );
42 fn = cloner.get(fn); 43 LuanTable tbl = (LuanTable)mod;
43 } 44 if( Luan.toBoolean( tbl.get("per_session") ) ) {
44 service(luan,request,response,fn); 45 HttpSession session = request.getSession();
45 } 46 LuanState sessionLuan = (LuanState)session.getValue("luan");
46 47 if( sessionLuan!=null ) {
47 public static void service_global(LuanState luan,HttpServletRequest request,HttpServletResponse response,String modName) 48 luan = sessionLuan;
48 throws LuanException 49 } else {
49 { 50 DeepCloner cloner = new DeepCloner();
50 LuanFunction fn = getFn(luan,modName); 51 luan = cloner.deepClone(luan);
51 service(luan,request,response,fn); 52 session.putValue("luan",luan);
52 } 53 }
53 54 tbl = (LuanTable)PackageLib.require(luan,modName);
54 public static void service_per_session(LuanState luan,HttpServletRequest request,HttpServletResponse response,String modName) 55 fn = (LuanFunction)tbl.get("page");
55 throws LuanException 56 } else {
56 { 57 fn = (LuanFunction)tbl.get("page");
57 HttpSession session = request.getSession(); 58 if( fn == null )
58 LuanState sessionLuan = (LuanState)session.getValue("luan"); 59 throw luan.exception( "function 'page' is not defined" );
59 if( sessionLuan!=null ) { 60 DeepCloner cloner = new DeepCloner();
60 luan = sessionLuan; 61 luan = cloner.deepClone(luan);
61 } else { 62 fn = cloner.get(fn);
62 DeepCloner cloner = new DeepCloner(); 63 }
63 luan = cloner.deepClone(luan); 64 }
64 session.putValue("luan",luan); 65
65 }
66 LuanFunction fn = getFn(luan,modName);
67 service(luan,request,response,fn);
68 }
69
70 private static LuanFunction getFn(LuanState luan,String modName) throws LuanException {
71 Object mod = PackageLib.require(luan,modName);
72 if( !(mod instanceof LuanTable) )
73 throw luan.exception( "module '"+modName+"' must return a table" );
74 LuanTable tbl = (LuanTable)mod;
75 LuanFunction fn = (LuanFunction)tbl.get("page");
76 if( fn == null )
77 throw luan.exception( "function 'page' is not defined" );
78 return fn;
79 }
80
81 private static void service(LuanState luan,HttpServletRequest request,HttpServletResponse response,LuanFunction fn)
82 throws LuanException
83 {
84 LuanTable module = (LuanTable)luan.loaded().get(NAME); 66 LuanTable module = (LuanTable)luan.loaded().get(NAME);
85 if( module == null ) 67 if( module == null )
86 throw luan.exception( "module 'Http' not defined" ); 68 throw luan.exception( "module 'Http' not defined" );
87 HttpLib lib = new HttpLib(request,response); 69 HttpLib lib = new HttpLib(request,response);
88 try { 70 try {