/** {@inheritDoc } */
@Override
public Geometry getDisplayGeometry() throws TransformException {
if (displayGeometryISO == null) {
displayGeometryISO = JTSUtils.toISO(getDisplayGeometryJTS(), params.displayCRS);
}
return displayGeometryISO;
}
/** {@inheritDoc } */
@Override
public Geometry getObjectiveGeometry() throws TransformException {
if (objectiveGeometryISO == null) {
objectiveGeometryISO = JTSUtils.toISO(getObjectiveGeometryJTS(), params.objectiveCRS);
}
return objectiveGeometryISO;
}
/**
* Write the feature into the stream.
*
* @param feature The feature
* @param root
* @throws XMLStreamException
*/
public Element writeFeature(final Feature feature, final Document rootDocument, boolean fragment)
throws ParserConfigurationException {
final Document document;
if (rootDocument == null) {
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
// then we have to create document-loader:
factory.setNamespaceAware(false);
DocumentBuilder loader = factory.newDocumentBuilder();
// creating a new DOM-document...
document = loader.newDocument();
} else {
document = rootDocument;
}
// the root element of the xml document (type of the feature)
final FeatureType type = feature.getType();
final Name typeName = type.getName();
final String namespace = typeName.getNamespaceURI();
final String localPart = typeName.getLocalPart();
final Element rootElement;
final Prefix prefix;
if (namespace != null) {
prefix = getPrefix(namespace);
rootElement = document.createElementNS(namespace, localPart);
rootElement.setPrefix(prefix.prefix);
} else {
rootElement = document.createElement(localPart);
prefix = null;
}
// if main document set the xmlns
if (!fragment) {
rootElement.setAttributeNS(
"http://www.w3.org/2000/xmlns/", "xmlns:gml", "http://www.opengis.net/gml");
}
final Attr idAttr = document.createAttributeNS(Namespaces.GML, "id");
idAttr.setValue(feature.getIdentifier().getID());
idAttr.setPrefix("gml");
rootElement.setAttributeNodeNS(idAttr);
if (rootDocument == null) {
document.appendChild(rootElement);
}
// write properties in the type order
for (final PropertyDescriptor desc : type.getDescriptors()) {
final Collection<Property> props = feature.getProperties(desc.getName());
for (Property a : props) {
final Object valueA = a.getValue();
final PropertyType typeA = a.getType();
final Name nameA = a.getName();
final String nameProperty = nameA.getLocalPart();
String namespaceProperty = nameA.getNamespaceURI();
if (valueA instanceof Collection && !(typeA instanceof GeometryType)) {
for (Object value : (Collection) valueA) {
final Element element;
if (namespaceProperty != null) {
element = document.createElementNS(namespaceProperty, nameProperty);
} else {
element = document.createElement(nameProperty);
}
element.setTextContent(Utils.getStringValue(value));
if (prefix != null) {
element.setPrefix(prefix.prefix);
}
rootElement.appendChild(element);
}
} else if (valueA instanceof Map && !(typeA instanceof GeometryType)) {
final Map<?, ?> map = (Map) valueA;
for (Entry<?, ?> entry : map.entrySet()) {
final Element element;
if (namespaceProperty != null) {
element = document.createElementNS(namespaceProperty, nameProperty);
} else {
element = document.createElement(nameProperty);
}
final Object key = entry.getKey();
if (key != null) {
element.setAttribute("name", (String) key);
}
element.setTextContent(Utils.getStringValue(entry.getValue()));
if (prefix != null) {
element.setPrefix(prefix.prefix);
}
rootElement.appendChild(element);
}
} else if (!(typeA instanceof GeometryType)) {
String value = Utils.getStringValue(valueA);
if (value != null || (value == null && !a.isNillable())) {
if ((nameProperty.equals("name") || nameProperty.equals("description"))
&& !Namespaces.GML.equals(namespaceProperty)) {
namespaceProperty = Namespaces.GML;
LOGGER.warning(
"the property name and description of a feature must have the GML namespace");
}
final Element element;
if (namespaceProperty != null) {
element = document.createElementNS(namespaceProperty, nameProperty);
} else {
element = document.createElement(nameProperty);
}
if (value != null) {
element.setTextContent(value);
}
if (prefix != null) {
element.setPrefix(prefix.prefix);
}
rootElement.appendChild(element);
}
// we add the geometry
} else {
if (valueA != null) {
final Element element;
if (namespaceProperty != null) {
element = document.createElementNS(namespaceProperty, nameProperty);
} else {
element = document.createElement(nameProperty);
}
if (prefix != null) {
element.setPrefix(prefix.prefix);
}
Geometry isoGeometry =
JTSUtils.toISO(
(com.vividsolutions.jts.geom.Geometry) valueA,
type.getCoordinateReferenceSystem());
Marshaller marshaller = null;
try {
marshaller = POOL.acquireMarshaller();
marshaller.setProperty(Marshaller.JAXB_FRAGMENT, true);
marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, false);
marshaller.marshal(OBJECT_FACTORY.buildAnyGeometry(isoGeometry), element);
} catch (JAXBException ex) {
LOGGER.log(
Level.WARNING,
"JAXB Exception while marshalling the iso geometry: " + ex.getMessage(),
ex);
} finally {
if (marshaller != null) {
POOL.release(marshaller);
}
}
rootElement.appendChild(element);
}
}
}
}
// writer.writeEndElement();
return rootElement;
}
