(Android™) FTP through HTTP Tunnel (FTP over HTTP Proxy)

Note: This example requires Chilkat v9.5.0.51 or greater.

FTP through an HTTP tunnel (via an HTTP proxy server that supports HTTP tunneling).

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();

    ftp.put_Hostname("ftp.example.com");
    ftp.put_Username("login");
    ftp.put_Password("password");

    // Set the HTTP proxy server properties.
    // This is to connect via HTTP/1.1 using CONNECT method
    ftp.put_HttpProxyHostname("192.168.1.127");
    ftp.put_HttpProxyPort(8080);

    // If the proxy server requires authentication...
    ftp.put_HttpProxyUsername("myProxyUsername");
    ftp.put_HttpProxyPassword("myProxyPassword");

    // FTP over an HTTP proxy requires that FTP Passive mode be used
    // for data transfers. It is not possible to use non-passive (active) mode
    // for FTP over HTTP.
    ftp.put_Passive(true);

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

    // Change to the remote directory where the file will be uploaded.
    success = ftp.ChangeRemoteDir("junk");
    if (success != true) {
        Log.i(TAG, ftp.lastErrorText());
        return;
        }

    // Upload a file.
    String localFilename = "c:/temp/hamlet.xml";
    String remoteFilename = "hamlet.xml";

    success = ftp.PutFile(localFilename,remoteFilename);
    if (success != true) {
        Log.i(TAG, ftp.lastErrorText());
        return;
        }

    success = ftp.Disconnect();

    Log.i(TAG, "File Uploaded!");

  }

  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."
  }
}