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 * Copyright (c) 2000, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

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 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

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 *

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package javax.imageio.spi;

import javax.imageio.ImageTranscoder;

/**

 * The service provider interface (SPI) for <code>ImageTranscoder</code>s.

 * For more information on service provider classes, see the class comment

 * for the <code>IIORegistry</code> class.

 *

 * @see IIORegistry

 * @see javax.imageio.ImageTranscoder

 *

 */

public abstract class ImageTranscoderSpi extends IIOServiceProvider {

    /**

     * Constructs a blank <code>ImageTranscoderSpi</code>.  It is up

     * to the subclass to initialize instance variables and/or

     * override method implementations in order to provide working

     * versions of all methods.

     */

    protected ImageTranscoderSpi() {

    }

    /**

     * Constructs an <code>ImageTranscoderSpi</code> with a given set

     * of values.

     *

     * @param vendorName the vendor name.

     * @param version a version identifier.

     */

    public ImageTranscoderSpi(String vendorName,

                              String version) {

        super(vendorName, version);

    }

    /**

     * Returns the fully qualified class name of an

     * <code>ImageReaderSpi</code> class that generates

     * <code>IIOMetadata</code> objects that may be used as input to

     * this transcoder.

     *

     * @return a <code>String</code> containing the fully-qualified

     * class name of the <code>ImageReaderSpi</code> implementation class.

     *

     * @see ImageReaderSpi

     */

    public abstract String getReaderServiceProviderName();

    /**

     * Returns the fully qualified class name of an

     * <code>ImageWriterSpi</code> class that generates

     * <code>IIOMetadata</code> objects that may be used as input to

     * this transcoder.

     *

     * @return a <code>String</code> containing the fully-qualified

     * class name of the <code>ImageWriterSpi</code> implementation class.

     *

     * @see ImageWriterSpi

     */

    public abstract String getWriterServiceProviderName();

    /**

     * Returns an instance of the <code>ImageTranscoder</code>

     * implementation associated with this service provider.

     *

     * @return an <code>ImageTranscoder</code> instance.

     */

    public abstract ImageTranscoder createTranscoderInstance();

}