01: /*
02: * GeoTools - OpenSource mapping toolkit
03: * http://geotools.org
04: * (C) 2004-2006, GeoTools Project Managment Committee (PMC)
05: *
06: * This library is free software; you can redistribute it and/or
07: * modify it under the terms of the GNU Lesser General Public
08: * License as published by the Free Software Foundation;
09: * version 2.1 of the License.
10: *
11: * This library is distributed in the hope that it will be useful,
12: * but WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14: * Lesser General Public License for more details.
15: */
16: package org.geotools.geometry.jts;
17:
18: /**
19: * An iterator for empty geometries
20: *
21: * @since 2.4
22: */
23: public class EmptyIterator extends AbstractLiteIterator {
24: public int getWindingRule() {
25: return WIND_NON_ZERO;
26: }
27:
28: public boolean isDone() {
29: return true;
30: }
31:
32: public void next() {
33: throw new IllegalStateException();
34: }
35:
36: public int currentSegment(double[] coords) {
37: return 0;
38: }
39: }
|