Chilkat Examples

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MFC Web API Examples

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(MFC) Xero Upload Attachment

Upload an attachment. (POST an attachment).

Note: Requires Chilkat v9.5.0.64 or greater.

Chilkat C/C++ Library Downloads

MS Visual C/C++ Libs

See Also: Using MFC CString in Chilkat

#include <CkRest.h>
#include <CkStringBuilder.h>
#include <CkBinData.h>
#include <CkHttp.h>

void ChilkatSample(void)
    {
    CkString strOut;

    // Note: Requires Chilkat v9.5.0.64 or greater.

    // This requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkRest rest;
    bool success;

    // Before sending REST API calls, the REST object needs to be
    // initialized for OAuth1.
    // See Xero 2-Legged OAuth1 Setup for sample code.

    // Assuming the REST object's OAuth1 authenticator is setup, and the initial
    // connection was made, we may now send REST HTTP requests..

    // --------------------------------------------------------------
    // This example will upload an image attachment to a receipt.

    const char *endPoint = "Receipts";
    const char *receiptID = "c4f40e59-c390-0001-caff-ce731c707d00";
    // This JPG image can be downloaded from https://www.chilkatsoft.com/syncedImages/penguins.jpg
    const char *filename = "penguins.jpg";

    CkStringBuilder sbPath;
    sbPath.Append("/api.xro/2.0/{Endpoint}/{Guid}/Attachments/{Filename}");
    int numReplaced = sbPath.Replace("{Endpoint}",endPoint);
    numReplaced = sbPath.Replace("{Guid}",receiptID);
    numReplaced = sbPath.Replace("{Filename}",filename);

    rest.AddHeader("Content-Type","image/jpeg");

    // Load the JPG image from a file.
    CkBinData jpgData;
    success = jpgData.LoadFile("qa_data/jpg/penguins.jpg");

    // We could alternatively get it from a URL like this:
    CkBinData jpgDataFromWeb;
    CkHttp http;
    success = http.QuickGetBd("https://www.chilkatsoft.com/syncedImages/penguins.jpg",jpgDataFromWeb);
    if (success != true) {
        strOut.append(http.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // Upload with a POST
    CkStringBuilder sbResponseBody;
    success = rest.FullRequestBd("POST",sbPath.getAsString(),jpgData,sbResponseBody);
    if (success != true) {
        strOut.append(rest.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // A 200 response is expected for actual success.
    if (rest.get_ResponseStatusCode() != 200) {
        strOut.append(sbResponseBody.getAsString());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // Examine the XML response
    strOut.append(sbResponseBody.getAsString());
    strOut.append("\r\n");

    // A successful response looks like this:

    // 	<Response xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
    // 	  <Id>d82568cd-d222-49e6-b713-880b6edb0606</Id>
    // 	  <Status>OK</Status>
    // 	  <ProviderName>ChilkatPrivate</ProviderName>
    // 	  <DateTimeUTC>2016-11-11T14:17:49.5922609Z</DateTimeUTC>
    // 	  <Attachments>
    // 	    <Attachment>
    // 	      <AttachmentID>0edcddc8-325f-40c7-b950-8c71f14afc7c</AttachmentID>
    // 	      <FileName>penguins.jpg</FileName>
    // 	      <Url>http://api.xero.com/api.xro/2.0/Receipts/c4f40e59-c390-0001-caff-ce731c707d00/Attachments/penguins.jpg</Url>
    // 	      <MimeType>image/jpg</MimeType>
    // 	      <ContentLength>777835</ContentLength>
    // 	    </Attachment>
    // 	  </Attachments>
    // 	</Response>


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }

 

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