(Java) SFTP Upload and Download to a BinData Object

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Demonstrates how to SFTP upload from a BinData object, and download into a BinData object.

Chilkat Java Downloads Java Libs for Windows, MacOS, Linux, Alpine Linux, Solaris Java Libs for Android

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

    CkSFtp sftp = new CkSFtp();

    boolean success;

    // Set some timeouts, in milliseconds:
    sftp.put_ConnectTimeoutMs(5000);
    sftp.put_IdleTimeoutMs(10000);

    // Connect to the SSH server and then authenticate.
    int port = 22;
    success = sftp.Connect("MY-SSH-SERVER-DOMAIN-OR-IP",port);
    if (success == true) {
        success = sftp.AuthenticatePw("MY-SSH-LOGIN","MY-SSH-PASSWORD");
        if (success == true) {
            success = sftp.InitializeSftp();
            }

        }

    if (success != true) {
        System.out.println(sftp.lastErrorText());
        return;
        }

    CkBinData bdA = new CkBinData();
    bdA.LoadFile("qa_data/jpg/penguins.jpg");

    // Upload the contents of bdA to the SSH/SFTP server.
    String remotePath = "sftpTesting/penguins.jpg";
    success = sftp.UploadBd(bdA,remotePath);
    if (success != true) {
        System.out.println(sftp.lastErrorText());
        return;
        }

    // Download the file..
    CkBinData bdB = new CkBinData();
    success = sftp.DownloadBd(remotePath,bdB);
    if (success != true) {
        System.out.println(sftp.lastErrorText());
        return;
        }

    // Verify that bdA and bdB have the exact same contents.
    System.out.println("size of bdA: " + bdA.get_NumBytes());
    if (bdA.ContentsEqual(bdB) == true) {
        System.out.println("Contents are equal. Success.");
        }
    else {
        System.out.println("Contents are NOT equal.  Failed.");
        }

    sftp.Disconnect();
  }
}