Java

SFTP Simplified Download

See more SFTP Examples

Demonstrates how to SFTP download a file by passing a remote filepath to DownloadFileByName. 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 API to have been previously unlocked.
    //  See Global Unlock Sample for sample code.

    CkSFtp sftp = new CkSFtp();

    //  Set some timeouts, in milliseconds:
    sftp.put_ConnectTimeoutMs(15000);
    sftp.put_IdleTimeoutMs(15000);

    //  Connect to the SSH server.  
    //  The standard SSH port = 22
    //  The hostname may be a hostname or IP address.
    String hostname = "sftp.example.com";
    int port = 22;
    success = sftp.Connect(hostname,port);
    if (success != true) {
        System.out.println(sftp.lastErrorText());
        return;
        }

    //  Authenticate with the SSH server.  Chilkat SFTP supports
    //  both password-based authenication as well as public-key
    //  authentication.  This example uses password authenication.
    success = sftp.AuthenticatePw("myLogin","myPassword");
    if (success != true) {
        System.out.println(sftp.lastErrorText());
        return;
        }

    //  After authenticating, the SFTP subsystem must be initialized:
    success = sftp.InitializeSftp();
    if (success != true) {
        System.out.println(sftp.lastErrorText());
        return;
        }

    //  Download the file:
    String remoteFilePath;
    String localFilePath;
    localFilePath = "c:/temp/hamlet.xml";
    //  Note: The remote filepath may be an absolute filepath,
    //  a relative filepath, or simply a filename.  
    //  Relative filepaths are always relative to the home directory
    //  of the SFTP/SSH user account.  There is no such thing
    //  as "current remote directory" in the SFTP protocol. 
    //  A filename with no path implies that the file is located
    //  in the SFTP user account's home directory.
    remoteFilePath = "subdir1/subdir2/hamlet.xml";
    success = sftp.DownloadFileByName(remoteFilePath,localFilePath);
    if (success != true) {
        System.out.println(sftp.lastErrorText());
        return;
        }

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