Unicode C

Initialize an HTTP Request from a URL

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Demonstrates how to initialize an HTTP request object from a URL. Unicode C

#include <C_CkHttpRequestW.h>

void ChilkatSample(void)
    {
    HCkHttpRequestW req;
    int i;
    int numParams;

    req = CkHttpRequestW_Create();

    //  Loads the HTTP request object from a URL
    CkHttpRequestW_SetFromUrl(req,L"https://www.youtube.com/watch?v=fAZdTchQePc&t=45s");

    //  The verb will be "GET"
    wprintf(L"verb = %s\n",CkHttpRequestW_httpVerb(req));
    //  The path will be "/watch"
    wprintf(L"path = %s\n",CkHttpRequestW_path(req));

    //  The output of this loop will be
    //  0) v: fAZdTchQePc
    //  1) t: 45s

    numParams = CkHttpRequestW_getNumParams(req);
    for (i = 0; i <= numParams - 1; i++) {
        wprintf(L"%d) %s: %s\n",i,CkHttpRequestW_getParamName(req,i),CkHttpRequestW_getParamValue(req,i));
    }

    //  View the request that would be sent if HttpSReq is called.
    //  The HTTP request will be a GET that looks like this:
    //  
    //      GET /watch?v=fAZdTchQePc&t=45s HTTP/1.1
    //      Host: domain
    //  
    //  Note: The HOST header will automatically get filled in with the actual domain when HttpSReq is called.

    wprintf(L"%s\n",CkHttpRequestW_generateRequestText(req));

    //  We can add additional params
    CkHttpRequestW_AddParam(req,L"artist",L"Richard Bona");
    CkHttpRequestW_AddParam(req,L"musicType",L"Jazz");
    CkHttpRequestW_AddParam(req,L"festival",L"Estival Jazz Lugano");
    CkHttpRequestW_AddParam(req,L"year",L"2008");

    //  Now examine the request that would be sent
    //  
    //      GET /watch?v=fAZdTchQePc&t=45s&artist=Richard%20Bona&musicType=Jazz&festival=Estival%20Jazz%20Lugano&year=2008 HTTP/1.1
    //      Host: domain
    //  
    wprintf(L"%s\n",CkHttpRequestW_generateRequestText(req));

    //  We can remove a parameter:
    CkHttpRequestW_RemoveParam(req,L"t");
    wprintf(L"%s\n",CkHttpRequestW_generateRequestText(req));

    //  What happens if we change the request from a GET to a POST?
    CkHttpRequestW_putHttpVerb(req,L"POST");
    //  The request will now look like this:
    //  
    //     POST /watch HTTP/1.1
    //     Host: domain
    //     Content-Length: 93
    //     
    //     v=fAZdTchQePc&artist=Richard%20Bona&musicType=Jazz&festival=Estival%20Jazz%20Lugano&year=2008
    //  
    wprintf(L"%s\n",CkHttpRequestW_generateRequestText(req));

    //  What happens if we make it a multipart/form-data?
    CkHttpRequestW_putContentType(req,L"multipart/form-data");
    //  Now the POST looks like this:
    //     
    //     POST /watch HTTP/1.1
    //     Content-Type: multipart/form-data; boundary=------------020906020106050705030807
    //     Host: domain
    //     Content-Length: 545
    //     
    //     --------------020906020106050705030807
    //     Content-Disposition: form-data; name="v"
    //     
    //     fAZdTchQePc
    //     --------------020906020106050705030807
    //     Content-Disposition: form-data; name="artist"
    //     
    //     Richard Bona
    //     --------------020906020106050705030807
    //     Content-Disposition: form-data; name="musicType"
    //     
    //     Jazz
    //     --------------020906020106050705030807
    //     Content-Disposition: form-data; name="festival"
    //     
    //     Estival Jazz Lugano
    //     --------------020906020106050705030807
    //     Content-Disposition: form-data; name="year"
    //     
    //     2008
    //     --------------020906020106050705030807--

    wprintf(L"%s\n",CkHttpRequestW_generateRequestText(req));


    CkHttpRequestW_Dispose(req);

    }