(Java) RSA Encrypt with SHA-256 hash function and SHA-1 mask function

How can this Javascript be duplicated using Chilkat?

function a(e, t) {
                var r = s.pki.publicKeyFromPem(e)
                  , n = r.encrypt(t, "RSA-OAEP", {
                    md: s.md.sha256.create(),
                    mgf1: {
                        md: s.md.sha1.create()
                    }
                });
                return s.util.encode64(n)
            }

Note: The OAEP padding uses random bytes in the padding, and therefore each time encryption happens, even using the same data and key, the result will be different -- but still valid. One should not expect to get the same output.

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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[])
  {
    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkPublicKey pubkey = new CkPublicKey();

    CkStringBuilder sbPem = new CkStringBuilder();
    boolean bCrlf = true;
    sbPem.AppendLine("-----BEGIN PUBLIC KEY-----",bCrlf);
    sbPem.AppendLine("MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA33TqqLR3eeUmDtHS89qF",bCrlf);
    sbPem.AppendLine("3p4MP7Wfqt2Zjj3lZjLjjCGDvwr9cJNlNDiuKboODgUiT4ZdPWbOiMAfDcDzlOxA",bCrlf);
    sbPem.AppendLine("04DDnEFGAf+kDQiNSe2ZtqC7bnIc8+KSG/qOGQIVaay4Ucr6ovDkykO5Hxn7OU7s",bCrlf);
    sbPem.AppendLine("Jp9TP9H0JH8zMQA6YzijYH9LsupTerrY3U6zyihVEDXXOv08vBHk50BMFJbE9iwF",bCrlf);
    sbPem.AppendLine("wnxCsU5+UZUZYw87Uu0n4LPFS9BT8tUIvAfnRXIEWCha3KbFWmdZQZlyrFw0buUE",bCrlf);
    sbPem.AppendLine("f0YN3/Q0auBkdbDR/ES2PbgKTJdkjc/rEeM0TxvOUf7HuUNOhrtAVEN1D5uuxE1W",bCrlf);
    sbPem.AppendLine("SwIDAQAB",bCrlf);
    sbPem.AppendLine("-----END PUBLIC KEY-----",bCrlf);

    // Load the public key object from the PEM. 
    boolean success = pubkey.LoadFromString(sbPem.getAsString());
    if (success != true) {
        System.out.println(pubkey.lastErrorText());
        return;
        }

    String originalData = "This is the original data to be SHA-256 hashed and RSA encrypted.";

    // First we SHA-256 hash the original data.
    CkCrypt2 crypt = new CkCrypt2();
    crypt.put_HashAlgorithm("SHA-256");
    CkByteData hashBytes = new CkByteData();
    success = crypt.HashString(originalData,hashBytes);

    // Now to RSA encrypt using OAEP padding with SHA-1 for the mask function.
    CkRsa rsa = new CkRsa();
    rsa.put_OaepPadding(true);
    rsa.put_OaepHash("SHA1");
    rsa.ImportPublicKeyObj(pubkey);
    rsa.put_EncodingMode("base64");

    // Note: The OAEP padding uses random bytes in the padding, and therefore each time encryption happens,
    // even using the same data and key, the result will be different --  but still valid.  One should not expect
    // to get the same output.
    boolean bUsePrivateKey = false;
    String encryptedStr = rsa.encryptBytesENC(hashBytes,bUsePrivateKey);
    if (rsa.get_LastMethodSuccess() != true) {
        System.out.println(rsa.lastErrorText());
        return;
        }

    System.out.println("Base64 RSA encrypted output: " + encryptedStr);
  }
}