/*
* 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.
*
* This package contains documentation from OpenGIS specifications.
* OpenGIS consortium's work is fully acknowledged here.
*/
package org.geotools.metadata.iso.extent;
import java.util.Collection;
import org.opengis.metadata.extent.BoundingPolygon;
import org.opengis.geometry.Geometry;
/**
* Boundary enclosing the dataset, expressed as the closed set of
* (<var>x</var>,<var>y</var>) coordinates of the polygon. The last
* point replicates first point.
*
* @source $URL$
* @version $Id$
* @author Martin Desruisseaux (IRD)
* @author Touraïvane
*
* @since 2.1
*/
public class BoundingPolygonImpl extends GeographicExtentImpl implements BoundingPolygon {
/**
* Serial number for interoperability with different versions.
*/
private static final long serialVersionUID = 8174011874910887918L;
/**
* The sets of points defining the bounding polygon.
*/
private Collection<Geometry> polygons;
/**
* Constructs an initially empty bounding polygon.
*/
public BoundingPolygonImpl() {
}
/**
* Constructs a metadata entity initialized with the values from the specified metadata.
*
* @since 2.4
*/
public BoundingPolygonImpl(final BoundingPolygon source) {
super(source);
}
/**
* Creates a bounding polygon initialized to the specified value.
*/
public BoundingPolygonImpl(final Collection<Geometry> polygons) {
setPolygons(polygons);
}
/**
* Returns the sets of points defining the bounding polygon.
*/
// No class is currently implementing {@linkplain org.opengis.geometry.Geometry}.
public synchronized Collection<Geometry> getPolygons() {
return polygons = nonNullCollection(polygons, Geometry.class);
}
/**
* Set the sets of points defining the bounding polygon.
*/
public synchronized void setPolygons(final Collection<? extends Geometry> newValues) {
polygons = copyCollection(newValues, polygons, Geometry.class);
}
}