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.errors;
  
  /**
   * Exception thrown due to a request that illegally refers to the same resource twice
   * (for example, trying to both create and delete the same SCRAM credential for a particular user in a single request).
   */
  public class DuplicateResourceException extends ApiException {
  
      private static final long serialVersionUID = 1L;
  
      private final String resource;
  
      /**
       * Constructor
       *
       * @param message the exception's message
       */
      public DuplicateResourceException(String message) {
          this(null, message);
      }
  
      /**
       *
       * @param message the exception's message
       * @param cause the exception's cause
       */
      public DuplicateResourceException(String message, Throwable cause) {
          this(null, message, cause);
      }
  
      /**
       * Constructor
       *
       * @param resource the (potentially null) resource that was referred to twice
       * @param message the exception's message
       */
      public DuplicateResourceException(String resource, String message) {
          super(message);
          this.resource = resource;
      }
  
      /**
       * Constructor
       *
       * @param resource the (potentially null) resource that was referred to twice
       * @param message the exception's message
       * @param cause the exception's cause
       */
      public DuplicateResourceException(String resource, String message, Throwable cause) {
          super(message, cause);
          this.resource = resource;
      }
  
      /**
       *
       * @return the (potentially null) resource that was referred to twice
       */
      public String resource() {
          return this.resource;
      }
  }