/*
* 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.gml;
import java.util.ArrayList;
import com.vividsolutions.jts.geom.Coordinate;
import com.vividsolutions.jts.geom.Geometry;
import com.vividsolutions.jts.geom.GeometryFactory;
import com.vividsolutions.jts.geom.LineString;
/**
* Creates a simple OGC LineString element.
*
* @author Ian Turton, CCG
* @author Rob Hranac, Vision for New York
*
* @source $URL$
* @version $Id$
*/
public class SubHandlerLineString extends SubHandler {
/** List of coordinates for LineString. */
private ArrayList coordinateList = new ArrayList();
/**
* Empty constructor.
*/
public SubHandlerLineString() {
}
/**
* Adds a coordinate to the LineString.
*
* @param coordinate Coordinate to add to LineString.
*/
public void addCoordinate(Coordinate coordinate) {
coordinateList.add(coordinate);
}
/**
* Determine whether or not this LineString is ready to be created.
*
* @param message The geometry type.
*
* @return Ready for creation flag.
*/
public boolean isComplete(String message) {
if (coordinateList.size() > 1) {
return true;
} else {
return false;
}
}
/**
* Create the LineString.
*
* @param geometryFactory The geometry factory needed to do the build.
*
* @return JTS LineString geometry.
*/
public Geometry create(GeometryFactory geometryFactory) {
Coordinate[] coords = (Coordinate[]) coordinateList.toArray(new Coordinate[ coordinateList.size()]);
LineString lineString = geometryFactory.createLineString(coords);
lineString.setUserData( getSRS() );
lineString.setSRID( getSRID() );
return lineString;
}
}