responder.h
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1 /*
2  * Copyright (C) 2011 by Tommi Meakitalo
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * As a special exception, you may use this file as part of a free
10  * software library without restriction. Specifically, if other files
11  * instantiate templates or use macros or inline functions from this
12  * file, or you compile this file and link it with other files to
13  * produce an executable, this file does not by itself cause the
14  * resulting executable to be covered by the GNU General Public
15  * License. This exception does not however invalidate any other
16  * reasons why the executable file might be covered by the GNU Library
17  * General Public License.
18  *
19  * This library is distributed in the hope that it will be useful,
20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22  * Lesser General Public License for more details.
23  *
24  * You should have received a copy of the GNU Lesser General Public
25  * License along with this library; if not, write to the Free Software
26  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
27  */
28 #ifndef CXXTOOLS_JSON_RESPONDER_H
29 #define CXXTOOLS_JSON_RESPONDER_H
30 
32 #include <cxxtools/json/scanner.h>
33 #include <cxxtools/json/formatter.h>
36 #include <cxxtools/textstream.h>
37 
38 namespace cxxtools
39 {
40 
41 class ServiceProcedure;
42 class IComposer;
43 class IDecomposer;
44 
45 namespace json
46 {
47 
48 class ServiceRegistry;
49 
50 class Responder : public http::Responder
51 {
52 
53  public:
54  explicit Responder(ServiceRegistry& service);
55 
56  ~Responder();
57 
58  void beginRequest(std::istream& in, http::Request& request);
59 
60  std::size_t readBody(std::istream& is);
61 
62  void replyError(std::ostream& os, http::Request& request,
63  http::Reply& reply, const std::exception& ex);
64 
65  void reply(std::ostream& os, http::Request& request, http::Reply& reply);
66 
67  private:
68  ServiceRegistry& _serviceRegistry;
69 
70  DeserializerBase _deserializer;
71  JsonParser _parser;
72 
73  ServiceProcedure* _proc;
74  IComposer** _args;
75  IDecomposer* _result;
76  RemoteException _fault;
77 };
78 
79 }
80 
81 }
82 
83 #endif