/*
 * 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
 *
 *   https://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.accumulo.access;

import java.util.regex.PatternSyntaxException;

/**
 * An exception that is thrown when an access expression is not valid.
 *
 * @since 1.0.0
 */
public final class InvalidAccessExpressionException extends IllegalArgumentException {

  private static final long serialVersionUID = 1L;

  private final PatternSyntaxException delegate;

  public InvalidAccessExpressionException(String desc, String badarg, int index) {
    super();
    delegate = new PatternSyntaxException(desc, badarg, index);
  }

  @Override
  public String getMessage() {
    return delegate.getMessage();
  }

  /**
   * Retrieves the error index.
   *
   * @return The approximate index in the pattern of the error, or {@code -1} if the index is not
   *         known
   */
  public int getIndex() {
    return delegate.getIndex();
  }

  /**
   * Retrieves the description of the error.
   *
   * @return The description of the error
   */
  public String getDescription() {
    return delegate.getDescription();
  }

  /**
   * Retrieves the erroneous regular-expression pattern.
   *
   * @return The erroneous pattern
   */
  public String getPattern() {
    return delegate.getPattern();
  }

}
