content: /*
   * Copyright 2002-2012 Drew Noakes
   *
   *    Licensed 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.
   *
   * More information about this project is available at:
   *
   *    http://drewnoakes.com/code/exif/
   *    http://code.google.com/p/metadata-extractor/
   */
  
  package com.almalence.util.exifreader.lang;
  
  import com.almalence.util.exifreader.lang.annotations.NotNull;
  
  import java.io.IOException;
  
  /**
   * A checked replacement for IndexOutOfBoundsException.  Used by BufferReader.
   * 
   * @author Drew Noakes http://drewnoakes.com
   */
  public final class BufferBoundsException extends Exception
  {
      private static final long serialVersionUID = 2911102837808946396L;
  
      public BufferBoundsException(@NotNull byte[] buffer, int index, int bytesRequested)
      {
          super(getMessage(buffer, index, bytesRequested));
      }
  
      public BufferBoundsException(final String message)
      {
          super(message);
      }
  
      public BufferBoundsException(final String message, final IOException innerException)
      {
          super(message, innerException);
      }
  
      private static String getMessage(@NotNull byte[] buffer, int index, int bytesRequested)
      {
          if (index < 0)
              return String.format("Attempt to read from buffer using a negative index (%s)", index);
  
          return String.format("Attempt to read %d byte%s from beyond end of buffer (requested index: %d, max index: %d)",
                  bytesRequested, bytesRequested==1?"":"s", index, buffer.length - 1);
      }
  }
  