package com.atlassian.core.util.thumbnail.loader;
   
   import com.atlassian.core.util.ImageInfo;
   import com.google.common.base.Optional;
   import com.google.common.base.Throwables;
   
   import javax.imageio.ImageIO;
   import java.awt.image.BufferedImage;
   import java.io.IOException;
  import java.io.InputStream;
  
  class DefaultImageLoader implements ImageLoader {
      @Override
      public Optional<BufferedImage> loadImage(final InputStream inputStream, ImageInfo imageInfo) throws IOException
      {
          try
          {
              return Optional.fromNullable(ImageIO.read(inputStream));
          }
          catch (Exception e)
          {
              //ImageIO throws also RuntimeExceptions when image is corrupted
              //we need to wrap them
  			Throwables.propagateIfInstanceOf(e, IOException.class);
  			throw new IOException(e);
          }
      }
  }