/*
* uDig - User Friendly Desktop Internet GIS client
* http://udig.refractions.net
* (C) 2012, Refractions Research Inc.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* (http://www.eclipse.org/legal/epl-v10.html), and the Refractions BSD
* License v1.0 (http://udig.refractions.net/files/bsd3-v10.html).
*/
package org.locationtech.udig.catalog.internal.arcsde;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URI;
import java.net.URL;
import org.locationtech.udig.catalog.IGeoResource;
import org.locationtech.udig.catalog.IGeoResourceInfo;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.jface.resource.ImageDescriptor;
import org.geotools.arcsde.ArcSDERasterFormatFactory;
import org.geotools.arcsde.raster.gce.ArcSDERasterFormat;
import org.geotools.arcsde.session.ArcSDEConnectionConfig;
import org.geotools.coverage.grid.io.AbstractGridCoverage2DReader;
import org.geotools.data.ServiceInfo;
import org.geotools.geometry.GeneralEnvelope;
import org.opengis.coverage.grid.GridCoverage;
import org.opengis.referencing.crs.CoordinateReferenceSystem;
import com.vividsolutions.jts.geom.Envelope;
public class ArcSDERasterGeoResource extends IGeoResource {
private String name;
private Status status;
private Throwable msg;
public ArcSDERasterGeoResource( ArcServiceImpl service, String name ) {
super();
super.service = service;
this.name = name;
this.status = Status.NOTCONNECTED;
}
@Override
protected IGeoResourceInfo createInfo( IProgressMonitor monitor ) throws IOException {
try {
AbstractGridCoverage2DReader reader = getReader(monitor);
ServiceInfo serviceInfo = reader.getInfo();
String name = serviceInfo.getTitle();
String title = serviceInfo.getTitle();
String description = serviceInfo.getDescription();
URI schema = serviceInfo.getSchema();
String[] keywords = serviceInfo.getKeywords().toArray(
new String[serviceInfo.getKeywords().size()]);
GeneralEnvelope env = reader.getOriginalEnvelope();
Envelope bounds = new Envelope(env.getMinimum(0), env.getMaximum(0), env.getMinimum(1),
env.getMaximum(1));
CoordinateReferenceSystem crs = reader.getCrs();
ImageDescriptor icon = null;
IGeoResourceInfo rasterInfo = new IGeoResourceInfo(title, name, description, schema,
bounds, crs, keywords, icon);
return rasterInfo;
} catch (Exception e) {
// e.printStackTrace();
msg = e;
status = Status.BROKEN;
throw (IOException) (new IOException(e.getLocalizedMessage()).initCause(e));
}
}
@Override
public ArcServiceImpl service( IProgressMonitor monitor ) throws IOException {
return (ArcServiceImpl) service;
}
@Override
public URL getIdentifier() {
try {
return new URL(service.getIdentifier().toString() + "#" + name); //$NON-NLS-1$
} catch (MalformedURLException e) {
return service.getIdentifier();
}
}
public Throwable getMessage() {
return msg;
}
public Status getStatus() {
return status;
}
@Override
public <T> boolean canResolve( Class<T> adaptee ) {
return adaptee != null
&& (adaptee.isAssignableFrom(GridCoverage.class)
|| adaptee.isAssignableFrom(AbstractGridCoverage2DReader.class) || super
.canResolve(adaptee));
}
@Override
public <T> T resolve( Class<T> adaptee, IProgressMonitor monitor ) throws IOException {
if (adaptee == null) {
throw new NullPointerException("No adaptor specified"); //$NON-NLS-1$
}
if (monitor == null) {
monitor = new NullProgressMonitor();
}
// if (adaptee.isAssignableFrom(GridCoverage.class)) {
// return adaptee.cast(createInfo(monitor));
// }
if (adaptee.isAssignableFrom(AbstractGridCoverage2DReader.class)) {
AbstractGridCoverage2DReader reader = getReader(monitor);
status = Status.CONNECTED;
return adaptee.cast(reader);
}
return super.resolve(adaptee, monitor);
}
private AbstractGridCoverage2DReader getReader( IProgressMonitor monitor ) {
String source = getCoverageURL();
ArcSDERasterFormatFactory formatFactory = new ArcSDERasterFormatFactory();
ArcSDERasterFormat format = formatFactory.createFormat();
AbstractGridCoverage2DReader reader;
reader = format.getReader(source);
return reader;
}
private String getCoverageURL() {
ArcSDEConnectionConfig config = ((ArcServiceImpl) service).getConnectionConfig();
return ArcSDERasterFormat.createRasterURL(config, name);
}
}