content: /*
   * The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
   * (the "License"). You may not use this work except in compliance with the License, which is
   * available at www.apache.org/licenses/LICENSE-2.0
   *
   * This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
   * either express or implied, as more fully set forth in the License.
   *
   * See the NOTICE file distributed with this work for information regarding copyright ownership.
   */
  
  package alluxio.security.authentication.plain;
  
  import alluxio.security.authentication.AuthenticationProvider;
  
  import javax.annotation.concurrent.ThreadSafe;
  import javax.security.sasl.AuthenticationException;
  
  /**
   * An authentication provider implementation that allows arbitrary combination of username and
   * password including empty strings.
   */
  @ThreadSafe
  public final class SimpleAuthenticationProvider implements AuthenticationProvider {
  
    /**
     * Constructs a new {@link SimpleAuthenticationProvider}.
     */
    public SimpleAuthenticationProvider() {}
  
    @Override
    public void authenticate(String user, String password) throws AuthenticationException {
      // no-op authentication
    }
  }
  