/*
* uDig - User Friendly Desktop Internet GIS client
* http://udig.refractions.net
* (C) 2004, 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.render.internal.feature.shapefile;
import org.locationtech.udig.catalog.IGeoResource;
import org.locationtech.udig.project.render.IRenderContext;
import org.locationtech.udig.project.render.IRenderMetricsFactory;
import org.locationtech.udig.project.render.IRenderer;
import org.geotools.data.FeatureSource;
import org.geotools.data.shapefile.ShapefileDataStore;
import org.geotools.data.view.DefaultView;
/**
* The RenderMetricsFactory object for the BasicFeatureRenderer Extension
*
* @author Jesse Eichar
* @version $Revision: 1.9 $
*/
public class ShapefileFeatureMetricsFactory implements IRenderMetricsFactory {
/**
* @see org.locationtech.udig.project.render.IRenderMetricsFactory#createMetrics(org.locationtech.udig.project.render.IRenderContext)
*/
public ShapefileFeatureMetrics createMetrics(IRenderContext context) {
return new ShapefileFeatureMetrics(context, this);
}
/**
* @see org.locationtech.udig.project.render.IRenderMetricsFactory#canRender(org.locationtech.udig.project.render.IRenderContext)
*/
@SuppressWarnings("unchecked")
public boolean canRender(IRenderContext context) {
try {
IGeoResource geoResource = context.getGeoResource();
if( geoResource.canResolve(ShapefileDataStore.class)){
FeatureSource featureSource=geoResource.resolve(FeatureSource.class, null);
boolean notAView = !(featureSource instanceof DefaultView);
boolean isAShapefile = (featureSource.getDataStore() instanceof ShapefileDataStore);
return notAView && featureSource!=null && isAShapefile;
}
}
catch( Throwable t ) {
}
return false;
}
/**
* @see IRenderMetricsFactory#getRendererType()
*/
public Class<? extends IRenderer> getRendererType() {
return ShapefileFeatureRenderer.class;
}
}