Set a Remote File's POSIX Permissions

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Demonstrates the Chilkat SFtp.SetPermissions method, which sets the POSIX permission bits of a remote item. The arguments are the remote path (or handle), whether the first argument is a handle, and the permission bits. Pass the permission bits only, not the file-type bits.

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;

    //  Demonstrates the SFtp.SetPermissions method, which sets the POSIX permission bits of a remote
    //  item.  The 1st argument is the remote path (or handle), the 2nd (isHandle) indicates which,
    //  and the 3rd is the permission bits.

    CkSFtp sftp = new CkSFtp();

    //  Connect, authenticate, and initialize the SFTP subsystem.
    int port = 22;
    success = sftp.Connect("sftp.example.com",port);
    if (success == false) {
        System.out.println(sftp.lastErrorText());
        return;
        }

    //  Normally you would not hard-code the password in source.  You should instead obtain it
    //  from an interactive prompt, environment variable, or a secrets vault.
    String password = "mySshPassword";

    success = sftp.AuthenticatePw("mySshLogin",password);
    if (success == false) {
        System.out.println(sftp.lastErrorText());
        return;
        }

    success = sftp.InitializeSftp();
    if (success == false) {
        System.out.println(sftp.lastErrorText());
        return;
        }

    //  The 1st argument is a path, so isHandle is false.
    boolean isHandle = false;

    //  Pass the permission bits, not the file-type bits.  0755 gives the owner read/write/execute and
    //  read/execute to group and others -- a common mode for an executable script.
    int permissions = 493;
    success = sftp.SetPermissions("subdir/script.sh",isHandle,permissions);
    if (success == false) {
        System.out.println(sftp.lastErrorText());
        return;
        }

    System.out.println("Permissions set.");

    sftp.Disconnect();
  }
}