/**
* Special handling for polymorphic mapping. Works out the polymorphic type name by evaluating the
* function on the feature, then set the relevant sub-type values.
*
* @param target The target feature to be encoded
* @param id The target feature id
* @param nestedMapping The mapping that is polymorphic
* @param source The source simple feature
* @param xpath The xpath of polymorphic type
* @param clientPropsMappings Client properties
* @throws IOException
*/
private Attribute setPolymorphicValues(
Name mappingName,
Attribute target,
String id,
NestedAttributeMapping nestedMapping,
Object source,
StepList xpath,
Map<Name, Expression> clientPropsMappings)
throws IOException {
// process sub-type mapping
DataAccess<FeatureType, Feature> da = DataAccessRegistry.getDataAccess((Name) mappingName);
if (da instanceof AppSchemaDataAccess) {
// why wouldn't it be? check just to be safe
FeatureTypeMapping fTypeMapping =
((AppSchemaDataAccess) da).getMappingByName((Name) mappingName);
List<AttributeMapping> polymorphicMappings = fTypeMapping.getAttributeMappings();
AttributeDescriptor attDescriptor = fTypeMapping.getTargetFeature();
AttributeType type = attDescriptor.getType();
Name polymorphicTypeName = attDescriptor.getName();
StepList prefixedXpath = xpath.clone();
prefixedXpath.add(
new Step(
new QName(
polymorphicTypeName.getNamespaceURI(),
polymorphicTypeName.getLocalPart(),
this.namespaces.getPrefix(polymorphicTypeName.getNamespaceURI())),
1));
if (!fTypeMapping.getFeatureIdExpression().equals(Expression.NIL)) {
id = fTypeMapping.getFeatureIdExpression().evaluate(source, String.class);
}
Attribute instance =
xpathAttributeBuilder.set(
target, prefixedXpath, null, id, type, false, attDescriptor, null);
setClientProperties(instance, source, clientPropsMappings);
for (AttributeMapping mapping : polymorphicMappings) {
if (skipTopElement(polymorphicTypeName, mapping, type)) {
// if the top level mapping for the Feature itself, the attribute instance
// has already been created.. just need to set the client properties
setClientProperties(instance, source, mapping.getClientProperties());
continue;
}
setAttributeValue(
instance, null, source, mapping, null, null, selectedProperties.get(mapping));
}
return instance;
}
return null;
}
public Element AbstractFeatureTypeEncode(
Object object, Document document, Element value, XSDIdRegistry idSet) {
Feature feature = (Feature) object;
String id = feature.getIdentifier().getID();
Name typeName;
if (feature.getDescriptor() == null) {
// no descriptor, assume WFS feature type name is the same as the name of the content
// model type
typeName = feature.getType().getName();
} else {
// honour the name set in the descriptor
typeName = feature.getDescriptor().getName();
}
Element encoding =
document.createElementNS(typeName.getNamespaceURI(), typeName.getLocalPart());
if (!(feature instanceof SimpleFeature) && idSet != null) {
if (idSet.idExists(id)) {
// XSD type ids can only appear once in the same document, otherwise the document is
// not schema valid. Attributes of the same ids should be encoded as xlink:href to
// the existing attribute.
encoding.setAttributeNS(XLINK.NAMESPACE, XLINK.HREF.getLocalPart(), "#" + id.toString());
// make sure the attributes aren't encoded
feature.setValue(Collections.emptyList());
return encoding;
} else {
idSet.add(id);
}
}
encoding.setAttributeNS(gml.getNamespaceURI(), "id", id);
encodeClientProperties(feature, value);
return encoding;
}
/**
* Encode any client properties (XML attributes) found in the UserData map of a ComplexAttribute
* as XML attributes of the element.
*
* @param complex the ComplexAttribute to search for client properties
* @param element the element to which XML attributes should be added
*/
@SuppressWarnings("unchecked")
public static void encodeClientProperties(Property complex, Element element) {
Map<Name, Object> clientProperties =
(Map<Name, Object>) complex.getUserData().get(Attributes.class);
if (clientProperties != null) {
for (Name name : clientProperties.keySet()) {
if (clientProperties.get(name) != null) {
element.setAttributeNS(
name.getNamespaceURI(), name.getLocalPart(), clientProperties.get(name).toString());
}
}
}
}
/**
* Handles the encoding of the layers elements.
*
* <p>This method does a search over the SRS of all the layers to see if there are at least a
* common one, as needed by the spec: "<i>The root Layer element shall include a sequence of
* zero or more <SRS> elements listing all SRSes that are common to all subsidiary layers.
* Use a single SRS element with empty content (like so: "<SRS></SRS>") if there is
* no common SRS."</i>
*
* <p>By the other hand, this search is also used to collecto the whole latlon bbox, as stated
* by the spec: <i>"The bounding box metadata in Capabilities XML specify the minimum enclosing
* rectangle for the layer as a whole."</i>
*
* @task TODO: manage this differently when we have the layer list of the WMS service decoupled
* from the feature types configured for the server instance. (This involves nested layers,
* gridcoverages, etc)
*/
private void handleLayers() {
start("Layer");
final List<LayerInfo> layers;
// filter the layers if a namespace filter has been set
if (request.getNamespace() != null) {
final List<LayerInfo> allLayers = wmsConfig.getLayers();
layers = new ArrayList<LayerInfo>();
String namespace = wmsConfig.getNamespaceByPrefix(request.getNamespace());
for (LayerInfo layer : allLayers) {
Name name = layer.getResource().getQualifiedName();
if (name.getNamespaceURI().equals(namespace)) {
layers.add(layer);
}
}
} else {
layers = wmsConfig.getLayers();
}
WMSInfo serviceInfo = wmsConfig.getServiceInfo();
element("Title", serviceInfo.getTitle());
element("Abstract", serviceInfo.getAbstract());
List<String> srsList = serviceInfo.getSRS();
Set<String> srs = new HashSet<String>();
if (srsList != null) {
srs.addAll(srsList);
}
handleRootCrsList(srs);
handleRootBbox(layers);
// now encode each layer individually
LayerTree featuresLayerTree = new LayerTree(layers);
handleLayerTree(featuresLayerTree);
try {
List<LayerGroupInfo> layerGroups = wmsConfig.getLayerGroups();
handleLayerGroups(new ArrayList<LayerGroupInfo>(layerGroups));
} catch (FactoryException e) {
throw new RuntimeException("Can't obtain Envelope of Layer-Groups: " + e.getMessage(), e);
} catch (TransformException e) {
throw new RuntimeException("Can't obtain Envelope of Layer-Groups: " + e.getMessage(), e);
}
end("Layer");
}
/** @return the tree of feature references for this type */
public RevTree getCurrentVersion() {
// assume HEAD is at MASTER
try {
final Name typeName = this.type.getName();
GeoGIT geogit = dataStore.getGeogit();
RevTree typeTree =
geogit
.getRepository()
.getWorkingTree()
.getHeadVersion(new QName(typeName.getNamespaceURI(), typeName.getLocalPart()));
return typeTree;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* 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;
}
/** Sets the local name and namespace uri of the built type. */
public void setName(Name name) {
setName(name.getLocalPart());
setNamespaceURI(name.getNamespaceURI());
}