/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2006-2011, Open Source Geospatial Foundation (OSGeo)
*
* 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;
* version 2.1 of the License.
*
* 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 org.geotools.gce.grassraster.spi;
import java.io.File;
import java.io.IOException;
import java.util.Locale;
import javax.imageio.spi.ImageReaderSpi;
import javax.imageio.stream.ImageInputStream;
import org.geotools.gce.grassraster.GrassBinaryImageReader;
import org.geotools.gce.grassraster.GrassBinaryImageWriter;
/**
* The Service Provider Interface for GRASS binary rasters.
*
* @author Andrea Antonello (www.hydrologis.com)
* @since 3.0
* @see GrassBinaryImageReader
* @see GrassBinaryImageWriter
* @see GrassBinaryImageReaderSpi
*
*
* @source $URL$
*/
@SuppressWarnings("nls")
public class GrassBinaryImageReaderSpi extends ImageReaderSpi {
private static final String vendorName = "www.hydrologis.com";
private static final String[] suffixes = {""};
private static final String[] formatNames = {"grass", "GRASS", "grassbin",
"GRASS binary raster"};
private static final String[] MIMETypes = {"image/grass"};
private static final String version = "1.0";
/**
* the class name of the image reader.
*/
private static final String readerCN = "eu.hydrologis.jgrass.grassbinary.imageio.io.GrassBinaryImageReader";
/**
* the inputTypes that are accepted by the {@link GrassBinaryImageReader}.
*/
private static final Class< ? >[] inputTypes = new Class[]{File.class, ImageInputStream.class};
/**
* the writerSpiName
*/
private static final String[] wSN = {"eu.hydrologis.jgrass.grassbinary.imageio.io.GrassBinaryImageWriterSpi"};
/**
* the flag for stream metadata support.
*/
private static final boolean supportsStandardStreamMetadataFormat = false;
private static final String nativeStreamMetadataFormatName = null;
private static final String nativeStreamMetadataFormatClassName = null;
private static final String[] extraStreamMetadataFormatNames = null;
private static final String[] extraStreamMetadataFormatClassNames = null;
/**
* the flag for image metadata support.
*/
private static final boolean supportsStandardImageMetadataFormat = true;
private static final String nativeImageMetadataFormatName = "eu.hydrologis.jgrass.grassbinary.imageio.metadata.GrassBinaryImageMetadata";
private static final String nativeImageMetadataFormatClassName = "eu.hydrologis.jgrass.grassbinary.imageio.metadata.GrassBinaryImageMetadataFormat";
private static final String[] extraImageMetadataFormatNames = {null};
private static final String[] extraImageMetadataFormatClassNames = {null};
/**
* default constructor for the service provider interface.
*/
public GrassBinaryImageReaderSpi() {
super(vendorName, version, formatNames, suffixes, MIMETypes, readerCN, inputTypes, wSN,
supportsStandardStreamMetadataFormat, nativeStreamMetadataFormatName,
nativeStreamMetadataFormatClassName, extraStreamMetadataFormatNames,
extraStreamMetadataFormatClassNames, supportsStandardImageMetadataFormat,
nativeImageMetadataFormatName, nativeImageMetadataFormatClassName,
extraImageMetadataFormatNames, extraImageMetadataFormatClassNames);
}
public String getDescription( Locale locale ) {
return "GRASS binary raster image reader service provider interface, version " + version;
}
public boolean canDecodeInput( Object source ) throws IOException {
if (source instanceof File) {
return true;
}
return false;
}
public GrassBinaryImageReader createReaderInstance( Object extension ) throws IOException {
return new GrassBinaryImageReader(this);
}
}