/* ImageTranscoderSpi.java -- Factory for image metadata transcoders.
   Copyright (C) 2004, 2005  Free Software Foundation, Inc.

This file is part of GNU Classpath.

GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
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any later version.

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General Public License for more details.

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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA.

Linking this library statically or dynamically with other modules is
making a combined work based on this library.  Thus, the terms and
conditions of the GNU General Public License cover the whole
combination.

As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
modules, and to copy and distribute the resulting executable under
terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
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this exception to your version of the library, but you are not
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package javax.imageio.spi;

import javax.imageio.ImageTranscoder;


/**
 * An abstract superclass for service providers that create
 * {@linkplain javax.imageio.ImageTranscoder image metadata
 * transcoders}.
 *
 * @since 1.4
 *
 * @author Sascha Brawer (brawer@dandelis.ch)
 */
public abstract class ImageTranscoderSpi
  extends IIOServiceProvider
{
  /**
   * Constructs a service provider for image metadata transcoders,
   * given no parameters. It is up to the sub-class to set {@link
   * #vendorName} and {@link #version} to non-null values.
   */
  protected ImageTranscoderSpi()
  {
  }


  /**
   * Constructs a service provider for image metadata transcoders,
   * given the vendor name and a version string.
   *
   * @throws IllegalArgumentException if <code>vendorName</code>
   * or <code>version</code> is <code>null</code>.
   */
  public ImageTranscoderSpi(String vendorName, String version)
  {
    super(vendorName, version);
  }


  public abstract String getReaderServiceProviderName();

  public abstract String getWriterServiceProviderName();

  public abstract ImageTranscoder createTranscoderInstance();
}