public static GeometryElement marshalFrom(Attribute attribute)
throws CatalogTransformerException {
GeometryElement element = new GeometryElement();
element.setName(attribute.getName());
if (attribute.getValue() != null) {
for (Serializable value : attribute.getValues()) {
if (!(value instanceof String)) {
continue;
}
String wkt = (String) value;
WKTReader wktReader = new WKTReader(geometryFactory);
Geometry jtsGeometry = null;
try {
jtsGeometry = wktReader.read(wkt);
} catch (ParseException e) {
throw new CatalogTransformerException(
"Could not transform Metacard to XML. Invalid WKT.", e);
}
JTSToGML311GeometryConverter converter = new JTSToGML311GeometryConverter();
@SuppressWarnings("unchecked")
JAXBElement<AbstractGeometryType> gmlElement =
(JAXBElement<AbstractGeometryType>) converter.createElement(jtsGeometry);
GeometryElement.Value geoValue = new GeometryElement.Value();
geoValue.setGeometry(gmlElement);
((GeometryElement) element).getValue().add(geoValue);
}
}
return element;
}
public static Attribute unmarshalFrom(GeometryElement element) throws ConversionFailedException {
AttributeImpl attribute = null;
GML311ToJTSGeometryConverter converter = new GML311ToJTSGeometryConverter();
WKTWriter wktWriter = new WKTWriter();
for (Value xmlValue : element.getValue()) {
JAXBElement<AbstractGeometryType> xmlGeometry = xmlValue.getGeometry();
Geometry geometry =
converter.createGeometry(new DefaultRootObjectLocator(xmlValue), xmlGeometry.getValue());
String wkt = wktWriter.write(geometry);
if (attribute == null) {
attribute = new AttributeImpl(element.getName(), wkt);
} else {
attribute.addValue(wkt);
}
}
return attribute;
}