/*
* 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.feature.type;
import java.util.Collection;
import java.util.List;
import org.geotools.resources.Utilities;
import org.opengis.feature.type.AttributeType;
import org.opengis.feature.type.FeatureType;
import org.opengis.feature.type.GeometryDescriptor;
import org.opengis.feature.type.GeometryType;
import org.opengis.feature.type.Name;
import org.opengis.feature.type.PropertyDescriptor;
import org.opengis.filter.Filter;
import org.opengis.referencing.crs.CoordinateReferenceSystem;
import org.opengis.util.InternationalString;
/**
*
* Base implementation of FeatureType.
*
* @author gabriel
*
*
* @source $URL$
*/
public class FeatureTypeImpl extends ComplexTypeImpl implements FeatureType {
private GeometryDescriptor defaultGeometry;
private CoordinateReferenceSystem crs;
public FeatureTypeImpl(
Name name, Collection<PropertyDescriptor> schema, GeometryDescriptor defaultGeometry,
boolean isAbstract, List<Filter> restrictions, AttributeType superType,
InternationalString description
) {
super(name, schema, true, isAbstract, restrictions, superType, description);
this.defaultGeometry = defaultGeometry;
if ( defaultGeometry != null &&
!(defaultGeometry.getType() instanceof GeometryType ) ) {
throw new IllegalArgumentException( "defaultGeometry must have a GeometryType");
}
}
public CoordinateReferenceSystem getCoordinateReferenceSystem() {
if(crs == null) {
if ( getGeometryDescriptor() != null && getGeometryDescriptor().getType().getCoordinateReferenceSystem() != null) {
crs = defaultGeometry.getType().getCoordinateReferenceSystem();
}
if(crs == null) {
for (PropertyDescriptor property : getDescriptors()) {
if ( property instanceof GeometryDescriptor ) {
GeometryDescriptor geometry = (GeometryDescriptor) property;
if ( geometry.getType().getCoordinateReferenceSystem() != null ) {
crs = geometry.getType().getCoordinateReferenceSystem();
break;
}
}
}
}
}
return crs;
}
public GeometryDescriptor getGeometryDescriptor() {
if (defaultGeometry == null) {
for (PropertyDescriptor property : getDescriptors()) {
if (property instanceof GeometryDescriptor ) {
defaultGeometry = (GeometryDescriptor) property;
break;
}
}
}
return defaultGeometry;
}
public boolean equals(Object o) {
if(this == o) {
return true;
}
if(!super.equals(o)){
return false;
}
if (getClass() != o.getClass()) {
return false;
}
FeatureType other = (FeatureType) o;
if (!Utilities.equals( getGeometryDescriptor(), other.getGeometryDescriptor())) {
return false;
}
return true;
}
public int hashCode() {
int hashCode = super.hashCode();
if ( defaultGeometry != null ) {
hashCode = hashCode ^ defaultGeometry.hashCode();
}
return hashCode;
}
}