(MFC) Download Text File into String Variable

Download a text file directly into a string variable.

Chilkat C/C++ Library Downloads MS Visual C/C++ Libs

See Also: Using MFC CString in Chilkat

#include <CkFtp2.h>

void ChilkatSample(void)
    {
    CkString strOut;

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

    CkFtp2 ftp;

    ftp.put_Hostname("ftp.someFtpServer.com");
    ftp.put_Username("myFtpUserAccount");
    ftp.put_Password("myFtpPassword");

    // Set other possible settings...
    // See http://www.cknotes.com/determining-ftp2-connection-settings/ 
    // for more information about FTP connection settings.
    ftp.put_Passive(true);
    ftp.put_AuthTls(true);

    // Connect and login to the FTP server.
    bool success = ftp.Connect();
    if (success != true) {
        strOut.append(ftp.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // Change to the remote directory where the existing file is located.
    success = ftp.ChangeRemoteDir("junk");
    if (success != true) {
        strOut.append(ftp.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // Download the contents of the remote file into a string variable.

    // Note: By setting the Utf8 property to true, we are telling the ftp object
    // to return all strings in the utf-8 encoding. The GetRemoteFileTextData method
    // downloads an ANSI text file.  However, because we've set the Utf8 property = true,
    // it is automatically converted and returned as utf-8.
    ftp.put_Utf8(true);

    // The GetRemoteFileTextData method assumes the remote file contains ANSI chars.
    // To download text files containing non-ANSI text, such as utf-8, call GetRemoteFileTextC
    // instead. (see below)
    const char *fileContents = ftp.getRemoteFileTextData("ansiText.txt");
    if (ftp.get_LastMethodSuccess() != true) {
        strOut.append(ftp.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }
    else {
        strOut.append(fileContents);
        strOut.append("\r\n");
    }

    // To download a remote text file containing utf-8 chars, 
    // call GetRemoteFileTextC and pass "utf-8" for the 2nd arg.  This tells
    // Chilkat to interpret the incoming bytes according to the utf-8 character encoding.

    fileContents = ftp.getRemoteFileTextC("utf8Text.txt","utf-8");
    if (ftp.get_LastMethodSuccess() != true) {
        strOut.append(ftp.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }
    else {
        strOut.append(fileContents);
        strOut.append("\r\n");
    }

    success = ftp.Disconnect();


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }