/*
* (non-Javadoc)
*
* @see com.sun.syndication.io.ModuleParser#parse(org.jdom.Element)
*/
public Module parse(Element element) {
GeoRSSModule geoRSSModule = null;
new SimpleModuleImpl();
Element pointElement = element.getChild("point", GeoRSSModule.SIMPLE_NS);
Element lineElement = element.getChild("line", GeoRSSModule.SIMPLE_NS);
Element polygonElement = element.getChild("polygon", GeoRSSModule.SIMPLE_NS);
Element boxElement = element.getChild("box", GeoRSSModule.SIMPLE_NS);
if (pointElement != null) {
geoRSSModule = new SimpleModuleImpl();
String coordinates = pointElement.getText();
String[] coord = coordinates.trim().split(" ");
Position pos = new Position(Double.parseDouble(coord[1]), Double.parseDouble(coord[0]));
geoRSSModule.setGeometry(new Point(pos));
} else if (lineElement != null) {
geoRSSModule = new SimpleModuleImpl();
PositionList posList = parsePosList(lineElement);
geoRSSModule.setGeometry(new LineString(posList));
} else if (polygonElement != null) {
geoRSSModule = new SimpleModuleImpl();
PositionList posList = parsePosList(polygonElement);
Polygon poly = new Polygon();
poly.setExterior(new LinearRing(posList));
geoRSSModule.setGeometry(poly);
} else {
geoRSSModule = (GeoRSSModule) GMLParser.parseGML(element);
}
return geoRSSModule;
}
/*
* (non-Javadoc)
* @see com.rometools.rome.io.ModuleGenerator#generate(com.rometools.rome.feed.module.Module,
* org.jdom2.Element)
*/
@Override
public void generate(final Module module, final Element element) {
// this is not necessary, it is done to avoid the namespace definition
// in every item.
Element root = element;
while (root.getParent() != null && root.getParent() instanceof Element) {
root = (Element) element.getParent();
}
root.addNamespaceDeclaration(GeoRSSModule.SIMPLE_NS);
root.addNamespaceDeclaration(GeoRSSModule.GML_NS);
final Element whereElement = new Element("where", GeoRSSModule.SIMPLE_NS);
element.addContent(whereElement);
final GeoRSSModule geoRSSModule = (GeoRSSModule) module;
final AbstractGeometry geometry = geoRSSModule.getGeometry();
if (geometry instanceof Point) {
final Position pos = ((Point) geometry).getPosition();
final Element pointElement = new Element("Point", GeoRSSModule.GML_NS);
whereElement.addContent(pointElement);
final Element posElement = new Element("pos", GeoRSSModule.GML_NS);
posElement.addContent(
String.valueOf(pos.getLatitude()) + " " + String.valueOf(pos.getLongitude()));
pointElement.addContent(posElement);
} else if (geometry instanceof LineString) {
final PositionList posList = ((LineString) geometry).getPositionList();
final Element lineElement = new Element("LineString", GeoRSSModule.GML_NS);
lineElement.addContent(createPosListElement(posList));
whereElement.addContent(lineElement);
} else if (geometry instanceof Polygon) {
final Element polygonElement = new Element("Polygon", GeoRSSModule.GML_NS);
{
final AbstractRing ring = ((Polygon) geometry).getExterior();
if (ring instanceof LinearRing) {
final Element exteriorElement = new Element("exterior", GeoRSSModule.GML_NS);
polygonElement.addContent(exteriorElement);
final Element ringElement = new Element("LinearRing", GeoRSSModule.GML_NS);
exteriorElement.addContent(ringElement);
ringElement.addContent(createPosListElement(((LinearRing) ring).getPositionList()));
} else {
System.err.println(
"GeoRSS GML format can't handle rings of type: " + ring.getClass().getName());
}
}
final List<AbstractRing> interiorList = ((Polygon) geometry).getInterior();
final Iterator<AbstractRing> it = interiorList.iterator();
while (it.hasNext()) {
final AbstractRing ring = it.next();
if (ring instanceof LinearRing) {
final Element interiorElement = new Element("interior", GeoRSSModule.GML_NS);
polygonElement.addContent(interiorElement);
final Element ringElement = new Element("LinearRing", GeoRSSModule.GML_NS);
interiorElement.addContent(ringElement);
ringElement.addContent(createPosListElement(((LinearRing) ring).getPositionList()));
} else {
System.err.println(
"GeoRSS GML format can't handle rings of type: " + ring.getClass().getName());
}
}
whereElement.addContent(polygonElement);
} else if (geometry instanceof Envelope) {
final Envelope envelope = (Envelope) geometry;
final Element envelopeElement = new Element("Envelope", GeoRSSModule.GML_NS);
whereElement.addContent(envelopeElement);
final Element lowerElement = new Element("lowerCorner", GeoRSSModule.GML_NS);
lowerElement.addContent(
String.valueOf(envelope.getMinLatitude())
+ " "
+ String.valueOf(envelope.getMinLongitude()));
envelopeElement.addContent(lowerElement);
final Element upperElement = new Element("upperCorner", GeoRSSModule.GML_NS);
upperElement.addContent(
String.valueOf(envelope.getMaxLatitude())
+ " "
+ String.valueOf(envelope.getMaxLongitude()));
envelopeElement.addContent(upperElement);
} else {
System.err.println(
"GeoRSS GML format can't handle geometries of type: " + geometry.getClass().getName());
}
}
