/*

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

 *

 * This code is free software; you can redistribute it and/or modify it

 * 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,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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package com.sun.imageio.spi;

import java.io.File;

import java.io.RandomAccessFile;

import java.util.Locale;

import javax.imageio.spi.ImageInputStreamSpi;

import javax.imageio.stream.ImageInputStream;

import javax.imageio.stream.FileImageInputStream;

public class RAFImageInputStreamSpi extends ImageInputStreamSpi {

    private static final String vendorName = "Oracle Corporation";

    private static final String version = "1.0";

    private static final Class inputClass = RandomAccessFile.class;

    public RAFImageInputStreamSpi() {

        super(vendorName, version, inputClass);

    }

    public String getDescription(Locale locale) {

        return "Service provider that instantiates a FileImageInputStream from a RandomAccessFile";

    }

    public ImageInputStream createInputStreamInstance(Object input,

                                                      boolean useCache,

                                                      File cacheDir) {

        if (input instanceof RandomAccessFile) {

            try {

                return new FileImageInputStream((RandomAccessFile)input);

            } catch (Exception e) {

                return null;

            }

        } else {

            throw new IllegalArgumentException

                ("input not a RandomAccessFile!");

        }

    }

}