/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2004-2008, 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.validation.spatial;
import java.util.Map;
import java.util.logging.Logger;
import org.geotools.data.simple.SimpleFeatureCollection;
import org.geotools.data.simple.SimpleFeatureSource;
import org.geotools.validation.ValidationResults;
import org.opengis.feature.simple.SimpleFeature;
import com.vividsolutions.jts.geom.Envelope;
import com.vividsolutions.jts.geom.Geometry;
/**
* PolygonBoundaryCoveredByPolygonValidation purpose.
*
* <p>
* Ensures Polygon Boundary is not covered by the Polygon.
* </p>
*
* @author dzwiers, Refractions Research, Inc.
* @author $Author: jive $ (last modification)
*
*
* @source $URL$
* @version $Id$
*/
public class PolygonNotOverlappingPolygonValidation
extends PolygonPolygonAbstractValidation {
private static final Logger LOGGER = org.geotools.util.logging.Logging.getLogger("org.geotools.validation");
/**
* PolygonBoundaryCoveredByPolygonValidation constructor.
*
* <p>
* Description
* </p>
*/
public PolygonNotOverlappingPolygonValidation() {
super();
// TODO Auto-generated constructor stub
}
/**
* Ensure Polygon Boundary is not covered by the Polygon.
*
* <p></p>
*
* @param layers a HashMap of key="TypeName" value="FeatureSource"
* @param envelope The bounding box of modified features
* @param results Storage for the error and warning messages
*
* @return True if no features intersect. If they do then the validation
* failed.
*
* @throws Exception DOCUMENT ME!
*
* @see org.geotools.validation.IntegrityValidation#validate(java.util.Map,
* com.vividsolutions.jts.geom.Envelope,
* org.geotools.validation.ValidationResults)
*/
public boolean validate(Map layers, Envelope envelope,
ValidationResults results) throws Exception {
LOGGER.finer("Starting test "+getName()+" ("+getClass().getName()+")" );
String typeRef1 = getPolygonTypeRef();
LOGGER.finer( typeRef1 +": looking up SimpleFeatureSource " );
SimpleFeatureSource polySource1 = (SimpleFeatureSource) layers.get( typeRef1 );
LOGGER.finer( typeRef1 +": found "+polySource1.getSchema().getTypeName() );
SimpleFeatureCollection collection1 = polySource1.getFeatures(); // limit with envelope
Object[] poly1 = collection1.toArray();
String typeRef2 = getRestrictedPolygonTypeRef();
LOGGER.finer( typeRef2 +": looking up SimpleFeatureSource " );
SimpleFeatureSource polySource2 = (SimpleFeatureSource) layers.get( typeRef2 );
LOGGER.finer( typeRef2 +": found "+polySource2.getSchema().getTypeName() );
SimpleFeatureCollection collection2 = polySource2.getFeatures(); // limit with envelope
Object[] poly2 = collection2.toArray();
/* if (!envelope.contains(collection1.getBounds())) {
results.error((Feature) poly1[0],
"Polygon Feature Source is not contained within the Envelope provided.");
return false;
}
if (!envelope.contains(collection2.getBounds())) {
results.error((Feature) poly2[0],
"Restricted Polygon Feature Source is not contained within the Envelope provided.");
return true;
}*/
boolean success = true;
for (int i = 0; i < poly1.length; i++) {
SimpleFeature tmp = (SimpleFeature) poly1[i];
LOGGER.finest("Polgon overlap test for:"+tmp.getID() );
Geometry gt = (Geometry) tmp.getDefaultGeometry();
for (int j = 0; j < poly2.length; j++) {
SimpleFeature tmp2 = (SimpleFeature) poly2[j];
LOGGER.finest("Polgon overlap test against:"+tmp2.getID() );
Geometry gt2 = (Geometry) tmp2.getDefaultGeometry();
if (gt2.overlaps(gt) != expected) {
results.error( tmp, "Polygon "+typeRef1+" overlapped Polygon "+typeRef2+"("+tmp2.getID()+") was not "+expected );
success = false;
}
}
}
return success;
}
boolean expected = true;
}