/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2002-2008, 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.gtopo30;
import java.util.Collections;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.geotools.coverage.grid.io.GridFormatFactorySpi;
/**
* The GTopo30FormatFactory will be discovered by the GridFormatFinder. Use the
* standard Geotools method of discovering a factory in order to create a
* format.
*
* @author Simone Giannecchini
* @author mkraemer
* @source $URL:
* http://svn.geotools.org/geotools/trunk/gt/plugin/gtopo30/src/org/geotools/gce/gtopo30/GTopo30FormatFactory.java $
*/
public class GTopo30FormatFactory implements GridFormatFactorySpi {
/** Logger. */
private final static Logger LOGGER = org.geotools.util.logging.Logging.getLogger("org.geotools.gce.gtopo30");
/**
* Creates a new instance of GTopo30Format
*
* @return an instance of GTopo30Format
*/
@SuppressWarnings("deprecation")
public GTopo30Format createFormat() {
return new GTopo30Format();
}
/**
* Checks for the JAI library which is needed by the GTopo30DataSource
*
* @return true if all libraries are available
*/
public boolean isAvailable() {
boolean available = true;
// if these classes are here, then the runtine environment has
// access to JAI and the JAI ImageI/O toolbox.
try {
Class.forName("javax.media.jai.JAI");
Class.forName("com.sun.media.jai.operator.ImageReadDescriptor");
} catch (ClassNotFoundException e) {
if (LOGGER.isLoggable(Level.FINE))
LOGGER.log(Level.FINE, e.getLocalizedMessage(), e);
available = false;
}
return available;
}
/**
* Returns the implementation hints
*
* @return the implementation hints (an empty map, actually)
*/
public Map getImplementationHints() {
return Collections.emptyMap();
}
}