Java

FTP Download Text File to a Stream

See more FTP Examples

Demonstrates how to FTP download a text file to a Chilkat stream.

Note: This example requires Chilkat v9.5.0.67 or greater.

Java

import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    boolean success = false;

    // This example assumes the Chilkat FTP2 API to have been previously unlocked.
    // See FTP2 Unlock Sample for sample code.

    CkFtp2 ftp = new CkFtp2();

    ftp.put_Hostname("www.my-ftp-server.com");
    ftp.put_Username("mFtpLogin");
    ftp.put_Password("myFtpPassword");
    ftp.put_AuthTls(true);
    ftp.put_Passive(true);

    // Connect and login to the FTP server using TLS.
    success = ftp.Connect();
    if (success != true) {
        System.out.println(ftp.lastErrorText());
        return;
        }

    CkStream streamObj = new CkStream();

    // Indicate the charset of the incoming data.
    streamObj.put_StringCharset("utf-8");

    // Create a task to do the FTP download.
    CkTask t = ftp.GetFileToStreamAsync("lines.txt",streamObj);
    if (ftp.get_LastMethodSuccess() != true) {
        System.out.println(ftp.lastErrorText());
        return;
        }

    // Start the task in a background thread.
    t.Run();

    // Read the incoming text data using any of the streamObj Read methods.
    // This example will read line-by-line.
    String line;
    while (streamObj.get_EndOfStream() != true) {
        line = streamObj.readToCRLF();
        if (streamObj.get_LastMethodSuccess() == true) {
            System.out.println(line);
            }

        }

    System.out.println("Success.");
  }
}