(C) An X-Ryl669 project 2007
This document describes Unlimited Zooming Interface source code. UZI stands for Unlimited Zooming Interface, and source code license is
00001 #ifndef hpp_CPP_HTTPClient_CPP_hpp 00002 #define hpp_CPP_HTTPClient_CPP_hpp 00003 00004 // We need the base GUI stuff 00005 #include "../../include/GUI/UZIBase.hpp" 00006 // We need the network stuff 00007 #include "../../include/Network/URLHandler.hpp" 00008 00009 namespace UZI 00010 { 00015 class HTTPClient 00016 { 00017 // Type and enumerations 00018 public: 00020 enum State 00021 { 00022 Constructed = 0, 00023 Connected = 1, 00024 Prepared = 2, 00025 RequestEmitted = 3, 00026 FetchingResult = 4, 00027 HeaderReceived = 5, 00028 ResultFetched = 6, 00029 ResultParsed = 7, 00030 ErrorDetected = 8, 00031 }; 00032 00034 enum DocumentType 00035 { 00036 Unknown = 0x00000000, 00037 XML = 0x00000001, 00038 HTML = 0x00000002, 00039 JPEGImage = 0x00000003, 00040 PNGImage = 0x00000004, 00041 GIFImage = 0x00000005, 00042 Stylesheet = 0x00000006, 00043 ScriptFile = 0x00000007, 00044 }; 00045 00046 // We are currently using Juce as framework 00047 typedef juce::String String; 00048 typedef juce::Socket Socket; 00049 typedef juce::MemoryBlock MemoryBlock; 00050 00051 // Members 00052 private: 00054 Socket clientSocket; 00056 Network::URL url; 00058 int portNumber; 00060 String postData; 00061 00063 State state; 00064 00066 String communication; 00068 MemoryBlock answer; 00069 00070 00071 // Interface 00072 public: 00075 bool connectToServer(); 00077 bool prepareHTTPHeaders(); 00079 bool emitRequest(); 00082 bool fetchResults(const int timeoutMs); 00085 bool parseResults(); 00086 00088 const unsigned int getDataSize() const; 00090 const void * getDataPtr() const; 00092 const DocumentType getMimeType() const; 00093 00095 inline const State getState() const { return state; } 00097 inline String getHeaders() const { return communication; } 00099 void Mutate(const Network::URL & _URL, const int portNumber, const String & postData = String::empty); 00100 00101 // Helpers 00102 private: 00104 void addHeader(const String & headerName, const String & headerValue); 00106 const String findHeaderValue(const String & headerName) const; 00107 00108 // Construction / Destruction 00109 public: 00111 HTTPClient(const Network::URL & _URL = Network::URL(), const int _portNumber = 80, const String & _postData = String::empty) 00112 : url(_URL), portNumber(_portNumber), postData(_postData), state(Constructed) 00113 { 00114 } 00115 ~HTTPClient() {} 00116 00117 }; 00118 00119 00120 } 00121 00122 #endif