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1 | \section{\class{wxHTTP}}\label{wxhttp} | |
2 | ||
3 | \wxheading{Derived from} | |
4 | ||
5 | \helpref{wxProtocol}{wxprotocol} | |
6 | ||
7 | \wxheading{Include files} | |
8 | ||
9 | <wx/protocol/http.h> | |
10 | ||
11 | \wxheading{See also} | |
12 | ||
13 | \helpref{wxSocketBase}{wxsocketbase}, \helpref{wxURL}{wxurl} | |
14 | ||
15 | % ---------------------------------------------------------------------------- | |
16 | % Members | |
17 | % ---------------------------------------------------------------------------- | |
18 | ||
19 | % ---------------------------------------------------------------------------- | |
20 | \membersection{wxHTTP::GetResponse}\label{wxhttpgetresponse} | |
21 | ||
22 | \constfunc{int}{GetResponse}{\void} | |
23 | ||
24 | Returns the HTTP response code returned by the server. Please refer to | |
25 | \urlref{RFC 2616}{http://www.faqs.org/rfcs/rfc2616.html} for the list of responses. | |
26 | ||
27 | ||
28 | \membersection{wxHTTP::GetInputStream}\label{wxhttpgetinputstream} | |
29 | ||
30 | \func{wxInputStream *}{GetInputStream}{\param{const wxString\&}{ path}} | |
31 | ||
32 | Creates a new input stream on the specified path. Notice that this stream is | |
33 | unseekable, i.e. SeekI() and TellI() methods shouldn't be used. | |
34 | ||
35 | Note that you can still know the size of the file you are getting using | |
36 | \helpref{wxStreamBase::GetSize()}{wxstreambasegetsize}. However there is a | |
37 | limitation: in HTTP protocol, the size is not always specified so sometimes | |
38 | \texttt{(size\_t)-1} can returned ot indicate that the size is unknown. In such | |
39 | case, you may want to use \helpref{wxInputStream::LastRead()}{wxinputstreamlastread} | |
40 | method in a loop to get the total size. | |
41 | ||
42 | \wxheading{Return value} | |
43 | ||
44 | Returns the initialized stream. You must delete it yourself once you | |
45 | don't use it anymore and this must be done before the wxHTTP object itself is | |
46 | destroyed. The destructor closes the network connection. The next time you will | |
47 | try to get a file the network connection will have to be reestablished, but you | |
48 | don't have to take care of this since wxHTTP reestablishes it automatically. | |
49 | ||
50 | \wxheading{See also} | |
51 | ||
52 | \helpref{wxInputStream}{wxinputstream} | |
53 | ||
54 | % ---------------------------------------------------------------------------- | |
55 | ||
56 | \membersection{wxHTTP::SetHeader}\label{wxhttpsetheader} | |
57 | ||
58 | \func{void}{SetHeader}{\param{const wxString\&}{ header}, \param{const wxString\&}{ h\_data}} | |
59 | ||
60 | It sets data of a field to be sent during the next request to the HTTP server. The field | |
61 | name is specified by {\it header} and the content by {\it h\_data}. | |
62 | This is a low level function and it assumes that you know what you are doing. | |
63 | ||
64 | \membersection{wxHTTP::GetHeader}\label{wxhttpgetheader} | |
65 | ||
66 | \func{wxString}{GetHeader}{\param{const wxString\&}{ header}} | |
67 | ||
68 | Returns the data attached with a field whose name is specified by {\it header}. | |
69 | If the field doesn't exist, it will return an empty string and not a NULL string. | |
70 | ||
71 | \wxheading{Note} | |
72 | ||
73 | The header is not case-sensitive, i.e. "CONTENT-TYPE" and "content-type" | |
74 | represent the same header. | |
75 |