/*
* 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.project.internal.impl;
import java.net.MalformedURLException;
import java.net.URL;
import org.locationtech.udig.catalog.IGeoResource;
import org.locationtech.udig.catalog.IGeoResourceInfo;
import org.locationtech.udig.project.internal.Messages;
import org.eclipse.core.runtime.IProgressMonitor;
import org.geotools.geometry.jts.ReferencedEnvelope;
import org.opengis.referencing.crs.CoordinateReferenceSystem;
import com.vividsolutions.jts.geom.Envelope;
/**
* Placeholder indicating that GeoResources was found.
* <p>
* This is often used by a Layer when there was no resource found for the layer.
*
* @author Jesse
*/
public class NullGeoResource extends IGeoResource {
@Override
public <T> T resolve( Class<T> adaptee, IProgressMonitor monitor ) {
return null;
}
public <T> boolean canResolve( Class<T> adaptee ) {
return false;
}
public Status getStatus() {
return Status.BROKEN;
}
public Throwable getMessage() {
return new Exception(Messages.NullGeoResource_0);
}
public URL getIdentifier() {
try {
return new URL("http://NULL"); //$NON-NLS-1$
} catch (MalformedURLException e) {
// Can't happen
e.printStackTrace();
return null;
}
}
@Override
protected IGeoResourceInfo createInfo( IProgressMonitor monitor ) {
// TODO Auto-generated method stub
return new IGeoResourceInfo(){
@Override
public ReferencedEnvelope getBounds() {
// TODO Auto-generated method stub
return new ReferencedEnvelope(new Envelope(), null);
}
@Override
public CoordinateReferenceSystem getCRS() {
// TODO Auto-generated method stub
return null;
}
};
}
}