Send a Staged REST Request with a Text Body

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Demonstrates Rest.SendReqStringBody, which sends a request whose text body (such as JSON) is supplied directly, then reads the response in separate steps.

Background. The staged request model separates sending from reading: a SendReq method transmits the request, ReadResponseHeader reads the status line and headers, and a ReadResp method reads the body. This gives fine control over large or streamed messages compared with the single-call full-request methods.

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bool success = false;

Chilkat.Rest rest = new Chilkat.Rest();
bool bTls = true;
bool bAutoReconnect = true;
success = rest.Connect("example.com",443,bTls,bAutoReconnect);
if (success == false) {
    Debug.WriteLine(rest.LastErrorText);
    return;
}

rest.AddHeader("Content-Type","application/json");

//  Send a request whose text body (such as JSON) is supplied directly.
string jsonBody = "{ \"name\": \"example\" }";
success = rest.SendReqStringBody("POST","/api/items",jsonBody);
if (success == false) {
    Debug.WriteLine(rest.LastErrorText);
    return;
}

//  After sending, read the response status line and header fields.  The return value is the HTTP
//  status code, or -1 if no response was received.
int statusCode = rest.ReadResponseHeader();
if (statusCode < 0) {
    Debug.WriteLine(rest.LastErrorText);
    return;
}

Debug.WriteLine("Response status code: " + Convert.ToString(statusCode));

//  Read the response body as text.
string responseBody = rest.ReadRespBodyString();
if (rest.LastMethodSuccess == false) {
    Debug.WriteLine(rest.LastErrorText);
    return;
}

Debug.WriteLine(responseBody);