Get a Remote File's Last-Modified Time

See more SFTP Examples

Demonstrates the Chilkat SFtp.GetFileLastModifiedStr method, which returns a remote file's last-modified date and time. The arguments are the remote path (or handle), whether symbolic links are followed, and whether the first argument is a handle.

// Important: Don't forget to include the call to System.loadLibrary
// as shown at the bottom of this code sample.
package com.test;

import android.app.Activity;
import com.chilkatsoft.*;

import android.widget.TextView;
import android.os.Bundle;

public class SimpleActivity extends Activity {

  private static final String TAG = "Chilkat";

  // Called when the activity is first created.
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    boolean success = false;

    //  Demonstrates the SFtp.GetFileLastModifiedStr method, which returns a remote file's last-modified
    //  date and time.  The 1st argument is the remote path (or handle), the 2nd selects whether
    //  symbolic links are followed, and the 3rd indicates whether the 1st argument is a handle.

    CkSFtp sftp = new CkSFtp();

    //  Connect, authenticate, and initialize the SFTP subsystem.
    int port = 22;
    success = sftp.Connect("sftp.example.com",port);
    if (success == false) {
        Log.i(TAG, sftp.lastErrorText());
        return;
        }

    //  Normally you would not hard-code the password in source.  You should instead obtain it
    //  from an interactive prompt, environment variable, or a secrets vault.
    String password = "mySshPassword";

    success = sftp.AuthenticatePw("mySshLogin",password);
    if (success == false) {
        Log.i(TAG, sftp.lastErrorText());
        return;
        }

    success = sftp.InitializeSftp();
    if (success == false) {
        Log.i(TAG, sftp.lastErrorText());
        return;
        }

    //  The 2nd argument (bFollowLinks) selects whether a symbolic link is followed to its target.
    //  The 3rd argument (bIsHandle) is false here because the 1st argument is a path, not an
    //  open handle.
    boolean bFollowLinks = true;
    boolean bIsHandle = false;

    String lastModified = sftp.getFileLastModifiedStr("subdir/report.pdf",bFollowLinks,bIsHandle);
    if (sftp.get_LastMethodSuccess() == false) {
        Log.i(TAG, sftp.lastErrorText());
        return;
        }

    Log.i(TAG, "Last modified: " + lastModified);

    sftp.Disconnect();

  }

  static {
      System.loadLibrary("chilkat");

      // Note: If the incorrect library name is passed to System.loadLibrary,
      // then you will see the following error message at application startup:
      //"The application <your-application-name> has stopped unexpectedly. Please try again."
  }
}