private Filter createFilter(SimpleFeature feature, FeatureTypeRelation rel) {
FilterFactory2 ff = CommonFactoryFinder.getFilterFactory2();
List<Filter> filters = new ArrayList<Filter>();
for (FeatureTypeRelationKey key : rel.getRelationKeys()) {
AttributeDescriptor rightSide = key.getRightSide();
AttributeDescriptor leftSide = key.getLeftSide();
Object value = feature.getAttribute(leftSide.getName());
if (value == null) {
continue;
}
if (AttributeDescriptor.GEOMETRY_TYPES.contains(rightSide.getType())
&& AttributeDescriptor.GEOMETRY_TYPES.contains(leftSide.getType())) {
filters.add(ff.not(ff.isNull(ff.property(rightSide.getName()))));
filters.add(ff.intersects(ff.property(rightSide.getName()), ff.literal(value)));
} else {
filters.add(ff.equals(ff.property(rightSide.getName()), ff.literal(value)));
}
}
if (filters.size() > 1) {
return ff.and(filters);
} else if (filters.size() == 1) {
return filters.get(0);
} else {
return null;
}
}
private List<String> rebuildAttributes(SimpleFeatureType sft) {
Layer layer = applicationLayer.getService().getSingleLayer(applicationLayer.getLayerName());
List<String> attributesToRetain = new ArrayList<String>();
for (AttributeDescriptor ad : sft.getAttributes()) {
String name = ad.getName();
String fullName = sft.getId() + ":" + name;
// if attribute already added return.
if (attributesToRetain.contains(fullName)) {
return attributesToRetain;
}
attributesToRetain.add(fullName);
// Used for display in JSP
if (StringUtils.isNotBlank(ad.getAlias())) {
attributeAliases.put(fullName, ad.getAlias());
}
if (applicationLayer.getAttribute(sft, name) == null) {
ConfiguredAttribute ca = new ConfiguredAttribute();
// default visible if not geometry type
// and not a attribute of a related featuretype
boolean defaultVisible = true;
if (layer.getFeatureType().getId() != sft.getId()
|| AttributeDescriptor.GEOMETRY_TYPES.contains(ad.getType())) {
defaultVisible = false;
}
ca.setVisible(defaultVisible);
ca.setAttributeName(name);
ca.setFeatureType(sft);
applicationLayer.getAttributes().add(ca);
Stripersist.getEntityManager().persist(ca);
if (!"save".equals(getContext().getEventName())) {
String message = "Nieuw attribuut \"{0}\" gevonden in ";
if (layer.getFeatureType().getId() != sft.getId()) {
message += "gekoppelde ";
}
message += "attribuutbron";
if (layer.getFeatureType().getId() == sft.getId()) {
message += ": wordt zichtbaar na opslaan";
}
getContext().getMessages().add(new SimpleMessage(message, name));
}
}
}
if (sft.getRelations() != null) {
for (FeatureTypeRelation rel : sft.getRelations()) {
attributesToRetain.addAll(rebuildAttributes(rel.getForeignFeatureType()));
}
}
return attributesToRetain;
}
