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The RabbitMQ Stream Java client library allows Java applications to interface with RabbitMQ Stream.

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// Copyright (c) 2020-2023 Broadcom. All Rights Reserved.
// The term "Broadcom" refers to Broadcom Inc. and/or its subsidiaries.
//
// This software, the RabbitMQ Stream Java client library, is dual-licensed under the
// Mozilla Public License 2.0 ("MPL"), and the Apache License version 2 ("ASL").
// For the MPL, please see LICENSE-MPL-RabbitMQ. For the ASL,
// please see LICENSE-APACHE2.
//
// This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND,
// either express or implied. See the LICENSE file for specific language governing
// rights and limitations of this software.
//
// If you have any questions regarding licensing, please contact us at
// [email protected].
package com.rabbitmq.stream.sasl;

import java.nio.charset.StandardCharsets;

/** The EXTERNAL {@link SaslMechanism}. */
public class ExternalSaslMechanism implements SaslMechanism {

  public static final SaslMechanism INSTANCE = new ExternalSaslMechanism();

  @Override
  public String getName() {
    return "EXTERNAL";
  }

  @Override
  public byte[] handleChallenge(byte[] challenge, CredentialsProvider credentialsProvider) {
    return "".getBytes(StandardCharsets.UTF_8);
  }
}