package com.esri.core.geometry.ogc;
import com.esri.core.geometry.Geometry;
import com.esri.core.geometry.GeometryEngine;
import com.esri.core.geometry.Operator;
import com.esri.core.geometry.OperatorExportToWkb;
import com.esri.core.geometry.OperatorFactoryLocal;
import com.esri.core.geometry.Polygon;
import com.esri.core.geometry.Polyline;
import com.esri.core.geometry.SpatialReference;
import com.esri.core.geometry.WkbExportFlags;
import com.esri.core.geometry.WktExportFlags;
import java.nio.ByteBuffer;
public class OGCPolygon extends OGCSurface {
public OGCPolygon(Polygon src, int exteriorRing, SpatialReference sr) {
polygon = new Polygon();
for (int i = exteriorRing, n = src.getPathCount(); i < n; i++) {
if (i > exteriorRing && src.isExteriorRing(i))
break;
polygon.addPath(src, i, true);
}
esriSR = sr;
}
public OGCPolygon(Polygon geom, SpatialReference sr) {
polygon = geom;
if (geom.getExteriorRingCount() > 1)
throw new IllegalArgumentException(
"Polygon has to have one exterior ring. Simplify geom with OperatorSimplify.");
esriSR = sr;
}
@Override
public String asText() {
return GeometryEngine.geometryToWkt(getEsriGeometry(),
WktExportFlags.wktExportPolygon);
}
@Override
public ByteBuffer asBinary() {
OperatorExportToWkb op = (OperatorExportToWkb) OperatorFactoryLocal
.getInstance().getOperator(Operator.Type.ExportToWkb);
return op.execute(WkbExportFlags.wkbExportPolygon, getEsriGeometry(),
null);
}
/**
* Returns the exterior ring of this Polygon.
* @return OGCLinearRing instance.
*/
public OGCLineString exterorRing() {
if (polygon.isEmpty())
return new OGCLinearRing((Polygon) polygon.createInstance(), 0,
esriSR, true);
return new OGCLinearRing(polygon, 0, esriSR, true);
}
/**
* Returns the number of interior rings in this Polygon.
*/
public int numInteriorRing() {
return polygon.getPathCount() - 1;
}
/**
* Returns the Nth interior ring for this Polygon as a LineString.
* @param n The 0 based index of the interior ring.
* @return OGCLinearRing instance.
*/
public OGCLineString interiorRingN(int n) {
return new OGCLinearRing(polygon, n + 1, esriSR, true);
}
@Override
public OGCMultiCurve boundary() {
Polyline polyline = new Polyline();
polyline.add(polygon, true); // adds reversed path
return (OGCMultiCurve) OGCGeometry.createFromEsriGeometry(polyline,
esriSR, true);
}
@Override
public String geometryType() {
return "Polygon";
}
@Override
public OGCGeometry locateAlong(double mValue) {
// TODO Auto-generated method stub
throw new UnsupportedOperationException();
}
@Override
public OGCGeometry locateBetween(double mStart, double mEnd) {
// TODO Auto-generated method stub
throw new UnsupportedOperationException();
}
@Override
public Geometry getEsriGeometry() {
return polygon;
}
Polygon polygon;
}