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 org.apache.kafka.common.security.oauthbearer.internals.unsecured;
  
  import org.apache.kafka.common.KafkaException;
  
  import java.util.Objects;
  
  /**
   * Exception thrown when token validation fails due to a problem with the token
   * itself (as opposed to a missing remote resource or a configuration problem)
   */
  public class OAuthBearerIllegalTokenException extends KafkaException {
      private static final long serialVersionUID = -5275276640051316350L;
      private final OAuthBearerValidationResult reason;
  
      /**
       * Constructor
       * 
       * @param reason
       *            the mandatory reason for the validation failure; it must indicate
       *            failure
       */
      public OAuthBearerIllegalTokenException(OAuthBearerValidationResult reason) {
          super(Objects.requireNonNull(reason).failureDescription());
          if (reason.success())
              throw new IllegalArgumentException("The reason indicates success; it must instead indicate failure");
          this.reason = reason;
      }
  
      /**
       * Return the (always non-null) reason for the validation failure
       * 
       * @return the reason for the validation failure
       */
      public OAuthBearerValidationResult reason() {
          return reason;
      }
  }
  