package pl.wroc.pwr.image.io;

import net.sourceforge.jiu.codecs.BMPCodec;
import net.sourceforge.jiu.codecs.GIFCodec;
import net.sourceforge.jiu.codecs.IFFCodec;
import net.sourceforge.jiu.codecs.ImageCodec;
import net.sourceforge.jiu.codecs.PNGCodec;
import net.sourceforge.jiu.codecs.PNMCodec;
import net.sourceforge.jiu.codecs.tiff.TIFFCodec;

public class ImageCodecPicker
{
	private static String BMP_FORMAT = ".bmp"; //$NON-NLS-1$
	private static String GIF_FORMAT = ".gif"; //$NON-NLS-1$
	private static String PNG_FORMAT = ".png"; //$NON-NLS-1$
	private static String IFF_FORMAT = ".iff"; //$NON-NLS-1$
	private static String PNM_FORMAT = ".pnm"; //$NON-NLS-1$
	private static String TIF_FORMAT = ".tif"; //$NON-NLS-1$
	private static String TIFF_FORMAT = ".tiff"; //$NON-NLS-1$

	public static ImageCodec getCodec( String fileName )
	{
		String lowercaseFileName = fileName.toLowerCase( );

		if ( lowercaseFileName.contains( BMP_FORMAT ) )
		{
			return new BMPCodec( );
		}
		if ( lowercaseFileName.contains( GIF_FORMAT ) )
		{
			return new GIFCodec( );
		}
		if ( lowercaseFileName.contains( PNG_FORMAT ) )
		{
			return new PNGCodec( );
		}
		if ( lowercaseFileName.contains( IFF_FORMAT ) )
		{
			return new IFFCodec( );
		}
		if ( lowercaseFileName.contains( PNM_FORMAT ) )
		{
			return new PNMCodec( );
		}
		if ( lowercaseFileName.contains( TIF_FORMAT ) )
		{
			return new TIFFCodec( );
		}
		if ( lowercaseFileName.contains( TIFF_FORMAT ) )
		{
			return new TIFFCodec( );
		}
		return null;
	}
}