(Android™) Get FTP File Permissions

Android™ example showing how to retrieve file permissions (via FTP) for each file in a remote directory.

Chilkat Android™ Downloads Android™ Java Libraries Android C/C++ Libraries

// 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);

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

    CkFtp2 ftp = new CkFtp2();

    // Set the various properties to establish the connection.
    ftp.put_Hostname("ftp.example.com");
    ftp.put_Username("login");
    ftp.put_Password("password");

    // If SSL/TLS is required..
    // See http://www.cknotes.com/determining-ftp2-connection-settings/ 
    // for more information.
    ftp.put_AuthTls(true);
    ftp.put_PassiveUseHostAddr(true);

    // Connect to the FTP server:
    boolean success = ftp.ConnectOnly();
    if (success != true) {
        Log.i(TAG, ftp.lastErrorText());
        return;
        }

    // Authenticate with the FTP server.
    success = ftp.LoginAfterConnectOnly();
    if (success != true) {
        Log.i(TAG, ftp.lastErrorText());
        return;
        }

    // To get file permissions in UNIX format, disallow MSLD:
    ftp.put_AllowMlsd(false);

    // To get file and sub-directory information, simply
    // loop from 0 to ftp.GetDirCount() - 1
    int i = 0;
    int n = ftp.GetDirCount();
    if (n < 0) {
        Log.i(TAG, ftp.lastErrorText());
        return;
        }

    // Show the type of permissions information that is available.
    // The two most common types are "mlsd" and "unix".  See the
    // online reference documentation for more information.
    if (n > 0) {
        Log.i(TAG, "The permissions format is: " + ftp.getPermType(0));
        }

    while (i < n) {

        // Display the permissions and filename
        Log.i(TAG, ftp.getPermissions(i) + " " + ftp.getFilename(i));

        i = i + 1;
        }

    // Assuming MLSD was possible, let's see the file permissions in MLSD format:
    ftp.put_AllowMlsd(true);

    // Clear the directory cache so we're forced to re-fetch the directory listing:
    ftp.ClearDirCache();

    n = ftp.GetDirCount();
    if (n < 0) {
        Log.i(TAG, ftp.lastErrorText());
        return;
        }

    // Show the type of permissions information that is available.
    // The two most common types are "mlsd" and "unix".  See the
    // online reference documentation for more information.
    if (n > 0) {
        Log.i(TAG, "----");
        Log.i(TAG, "The permissions format is: " + ftp.getPermType(0));
        }

    i = 0;
    while (i < n) {

        // Display the permissions and filename
        Log.i(TAG, ftp.getPermissions(i) + " " + ftp.getFilename(i));

        i = i + 1;
        }

    success = ftp.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."
  }
}