(Android™) SCP Sync Tree Download

Synchronize local and remote directory trees by downloading newer or missing files from the remote server.

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.

    CkSsh ssh = new CkSsh();

    // Connect to an SSH server:
    String hostname;
    int port;

    // Hostname may be an IP address or hostname:
    hostname = "www.some-ssh-server.com";
    port = 22;

    boolean success = ssh.Connect(hostname,port);
    if (success != true) {
        Log.i(TAG, ssh.lastErrorText());
        return;
        }

    // Wait a max of 5 seconds when reading responses..
    ssh.put_IdleTimeoutMs(5000);

    // Authenticate using login/password:
    success = ssh.AuthenticatePw("myLogin","myPassword");
    if (success != true) {
        Log.i(TAG, ssh.lastErrorText());
        return;
        }

    // Once the SSH object is connected and authenticated, we use it
    // in our SCP object.
    CkScp scp = new CkScp();

    success = scp.UseSsh(ssh);
    if (success != true) {
        Log.i(TAG, scp.lastErrorText());
        return;
        }

    String remoteRoot = "workspace/php";
    String localRoot = "c:/aaworkarea/scp/workspace/php";

    // Download synchronization modes:
    // mode=0: Download all files
    // mode=1: Download all files that do not exist on the local filesystem.
    // mode=2: Download newer or non-existant files.
    // mode=3: Download only newer files.  
    //         If a file does not already exist on the local filesystem, it is not downloaded from the server.
    // mode=5: Download only missing files or files with size differences.
    // mode=6: Same as mode 5, but also download newer files.
    int mode = 2;

    // Sync the entire tree by using recursion.
    boolean bRecurse = true;

    success = scp.SyncTreeDownload(remoteRoot,localRoot,mode,bRecurse);
    if (success != true) {
        Log.i(TAG, scp.lastErrorText());
        return;
        }

    Log.i(TAG, "SCP sync download success.");

    // Disconnect
    ssh.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."
  }
}