Java

SCP Sync Tree Upload

See more SCP Examples

Synchronize local and remote directory trees by uploading newer or missing files to 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();

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

    // Connect to an SSH server:
    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;
        }

    // The remoteRoot is relative to the HOME directory of the SSH user account.
    String remoteRoot = "workspace/projectB";
    String localRoot = "c:/aaworkarea/scp/workspace/projectB";

    // Upload synchronization modes:
    // mode=0: Upload all files
    // mode=1: Upload all files that do not exist on the FTP server.
    // mode=2: Upload newer or non-existant files.
    // mode=3: Upload only newer files.  If a file does not already exist on the FTP server, it is not uploaded.
    // mode=4: transfer missing files or files with size differences.
    // mode=5: same as mode 4, but also newer files.

    // Additional files and directores can be excluded by setting the SyncMustNotMatch property.
    // The SyncMustNotMatch patterns apply only to the final filename or directory part of a path.
    // If a directory matches, then it will not be traversed in a recursive traversal.
    // 
    scp.put_SyncMustNotMatch("*.o;*.obj;*.log; temp");

    // The SyncMustMatch property can be set to restrict the files uploaded to only those
    // matching at least one pattern in a set.
    scp.put_SyncMustMatch("*.cpp; *.h");

    // Do the recursive sync to upload newer or non-existant files:
    boolean bRecurse = true;
    int mode = 2;
    success = scp.SyncTreeUpload(localRoot,remoteRoot,mode,bRecurse);
    if (success != true) {
        System.out.println(scp.lastErrorText());
        return;
        }

    // The files actually uploaded can be examined in the SyncedFiles property.
    // It is a string property that contains the relative path, one per line, of each
    // file uploaded.
    System.out.println("Files uploaded: ");
    System.out.println(scp.syncedFiles());

    System.out.println("----");
    System.out.println("SCP sync upload success.");

    // Disconnect
    ssh.Disconnect();
  }
}