content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package com.datastax.oss.driver.api.core.auth;
  
  import com.datastax.oss.driver.api.core.AllNodesFailedException;
  import com.datastax.oss.driver.api.core.metadata.EndPoint;
  import edu.umd.cs.findbugs.annotations.NonNull;
  import edu.umd.cs.findbugs.annotations.Nullable;
  
  /**
   * Indicates an error during the authentication phase while connecting to a node.
   *
   * <p>The only time when this is returned directly to the client (wrapped in a {@link
   * AllNodesFailedException}) is at initialization. If it happens later when the driver is already
   * connected, it is just logged and the connection will be reattempted.
   */
  public class AuthenticationException extends RuntimeException {
    private static final long serialVersionUID = 0;
  
    private final EndPoint endPoint;
  
    public AuthenticationException(@NonNull EndPoint endPoint, @NonNull String message) {
      this(endPoint, message, null);
    }
  
    public AuthenticationException(
        @NonNull EndPoint endPoint, @NonNull String message, @Nullable Throwable cause) {
      super(String.format("Authentication error on node %s: %s", endPoint, message), cause);
      this.endPoint = endPoint;
    }
  
    /** The address of the node that encountered the error. */
    @NonNull
    public EndPoint getEndPoint() {
      return endPoint;
    }
  }
  