HDF4ImageReaderSpi.java

/*
 *    ImageI/O-Ext - OpenSource Java Image translation Library
 *    http://www.geo-solutions.it/
 *    http://java.net/projects/imageio-ext/
 *    (C) 2007 - 2009, GeoSolutions
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License as published by the Free Software Foundation;
 *    either version 3 of the License, or (at your option) any later version.
 *
 *    This library 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
 *    Lesser General Public License for more details.
 */
package it.geosolutions.imageio.plugins.hdf4;

import it.geosolutions.imageio.gdalframework.GDALImageReaderSpi;
import it.geosolutions.imageio.stream.input.FileImageInputStreamExt;

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;

import javax.imageio.ImageReader;

/**
 * Service provider interface for the HDF4 Datasets
 * 
 * @author Simone Giannecchini, GeoSolutions.
 * @author Daniele Romagnoli, GeoSolutions.
 */
public class HDF4ImageReaderSpi extends GDALImageReaderSpi {

    static final String[] suffixes = { "hdf", "hdf4" };

    static final String[] formatNames = { "HDF", "HDF4", "HDF-EOS" };

    static final String[] MIMETypes = { "image/hdf" };

    static final String version = "1.0";
    
    static final String description = "HDF4 Image Reader, version " + version;

    static final String readerCN = "it.geosolutions.imageio.plugins.hdf4.HDF4ImageReader";

    static final String vendorName = "GeoSolutions";

    // writerSpiNames
    static final String[] wSN = { null };

    // StreamMetadataFormatNames and StreamMetadataFormatClassNames
    static final boolean supportsStandardStreamMetadataFormat = false;

    static final String nativeStreamMetadataFormatName = null;

    static final String nativeStreamMetadataFormatClassName = null;

    static final String[] extraStreamMetadataFormatNames = { null };

    static final String[] extraStreamMetadataFormatClassNames = { null };

    // ImageMetadataFormatNames and ImageMetadataFormatClassNames
    static final boolean supportsStandardImageMetadataFormat = false;

    static final String nativeImageMetadataFormatName = null;

    static final String nativeImageMetadataFormatClassName = null;

    static final String[] extraImageMetadataFormatNames = { null };

    static final String[] extraImageMetadataFormatClassNames = { null };

    public HDF4ImageReaderSpi() {
        super(
                vendorName,
                version,
                formatNames,
                suffixes,
                MIMETypes,
                readerCN, // readerClassName
                new Class[] { File.class, FileImageInputStreamExt.class },
                wSN, // writer Spi Names
                supportsStandardStreamMetadataFormat,
                nativeStreamMetadataFormatName,
                nativeStreamMetadataFormatClassName,
                extraStreamMetadataFormatNames,
                extraStreamMetadataFormatClassNames,
                supportsStandardImageMetadataFormat,
                nativeImageMetadataFormatName,
                nativeImageMetadataFormatClassName,
                extraImageMetadataFormatNames,
                extraImageMetadataFormatClassNames, getSupportedFormatsList());

    }

    /**
     * Returns an instance of the HDF4ImageReader
     * 
     * @see javax.imageio.spi.ImageReaderSpi#createReaderInstance(java.lang.Object)
     */
    public ImageReader createReaderInstance(Object source) throws IOException {
        return new HDF4ImageReader(this);
    }

    /**
     * @see javax.imageio.spi.IIOServiceProvider#getDescription(java.util.Locale)
     */
    public String getDescription(Locale locale) {
        return description;
    }

    private final static List<String> getSupportedFormatsList() {
        final List<String> l = new ArrayList<String>();
        l.add("HDF4");
        l.add("HDF4Image");
        return l;
    }

}