SFTP Writing utf-8 vs. ANSI Text Files

Demonstrates how to specify the charset, such as utf-8, ANSI, windows-1250, iso-8859-1, Shift_JIS, etc., when writing text files. See the List of Charsets for all supported charsets.

Download Chilkat Java Library

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[])
  {
    //  Important: It is helpful to send the contents of the
    //  sftp.LastErrorText property when requesting support.

    CkSFtp sftp = new CkSFtp();

    //  Any string automatically begins a fully-functional 30-day trial.
    boolean success;
    success = sftp.UnlockComponent("Anything for 30-day trial");
    if (success != true) {
        System.out.println(sftp.lastErrorText());
        return;
    }

    //  Set some timeouts, in milliseconds:
    sftp.put_ConnectTimeoutMs(5000);
    sftp.put_IdleTimeoutMs(15000);

    //  Connect to the SSH server.
    //  The standard SSH port = 22
    //  The hostname may be a hostname or IP address.
    int port;
    String hostname;
    hostname = "192.168.1.108";
    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;
    }

    //  Open a file on the server for writing.
    //  "createTruncate" means that a new file is created; if the file already exists, it is opened and truncated.
    String handle;
    handle = sftp.openFile("utf8_sample.txt","writeOnly","createTruncate");
    if (handle == null ) {
        System.out.println(sftp.lastErrorText());
        return;
    }

    //  Write a single utf-8 character to the file - a lowercase ü
    //  A "ü" in utf-8 is represented by 2 bytes:  0xC3 0xBC
    //  The following call to WriteFileText writes 2 bytes (0xC3 0xBC)
    //  to the file:
    success = sftp.WriteFileText(handle,"utf-8","ü");
    if (success != true) {
        System.out.println(sftp.lastErrorText());
        return;
    }

    //  Close the file.
    success = sftp.CloseHandle(handle);
    if (success != true) {
        System.out.println(sftp.lastErrorText());
        return;
    }

    //  Let's write the same "ü" character using windows-1252
    //  (which is the ANSI charset for Western-European languages)
    handle = sftp.openFile("windows1252_sample.txt","writeOnly","createTruncate");
    if (handle == null ) {
        System.out.println(sftp.lastErrorText());
        return;
    }

    //  Write a single windows-1252 character to the file - a lowercase ü
    //  A "ü" in windows-1252 is represented by 1 byte:  0xFC
    //  The following call to WriteFileText writes 1 byte (0xFC)
    //  to the file:
    success = sftp.WriteFileText(handle,"windows-1252","ü");
    if (success != true) {
        System.out.println(sftp.lastErrorText());
        return;
    }

    //  Close the file.
    success = sftp.CloseHandle(handle);
    if (success != true) {
        System.out.println(sftp.lastErrorText());
        return;
    }

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