Java

SCP Sync Tree Download

See more SCP Examples

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

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[])
  {
    boolean success = false;

    // 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;

    success = ssh.Connect(hostname,port);
    if (success != true) {
        System.out.println(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) {
        System.out.println(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) {
        System.out.println(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) {
        System.out.println(scp.lastErrorText());
        return;
        }

    System.out.println("SCP sync download success.");

    // Disconnect
    ssh.Disconnect();
  }
}