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;
}
/**
* this is fired when a tag start event is found on an xml document
*
* @param uri namespace for tag being processed
* @param localName tag name
* @param qName fully qualified name for tag
* @param attributes tag attributes
* @throws SAXException if parsing fails
*/
@Override
public void startElement(String uri, String localName, String qName, Attributes attributes)
throws SAXException {
// if a class is being parsed
if (qName.equalsIgnoreCase(getTagName())) {
// set class name from xml attributes
mClassName = attributes.getValue(TAG_ATTRIBUTES.name.toString());
// if an attribute is being parsed
} else if (qName.equalsIgnoreCase(AttributeDescriptor.TAG_NAME)) {
// create an attribute descriptor
AttributeDescriptor attribute = new AttributeDescriptor();
// add an attribute to this class
mAttributes.add(attribute);
// let the attribute parse itself
mCtx.pushHandler(attribute);
// forward event to new handler
attribute.startElement(uri, localName, qName, attributes);
}
}
private void makeAttributeJSONArray(final SimpleFeatureType layerSft) throws JSONException {
List<ConfiguredAttribute> cas = applicationLayer.getAttributes();
// Sort the attributes, by featuretype and the featuretyp
Collections.sort(
cas,
new Comparator<ConfiguredAttribute>() {
@Override
public int compare(ConfiguredAttribute o1, ConfiguredAttribute o2) {
if (o1.getFeatureType() == null) {
return -1;
}
if (o2.getFeatureType() == null) {
return 1;
}
if (o1.getFeatureType().getId().equals(layerSft.getId())) {
return -1;
}
if (o2.getFeatureType().getId().equals(layerSft.getId())) {
return 1;
}
return o1.getFeatureType().getId().compareTo(o2.getFeatureType().getId());
}
});
for (ConfiguredAttribute ca : cas) {
JSONObject j = ca.toJSONObject();
// Copy alias over from feature type
SimpleFeatureType sft = ca.getFeatureType();
if (sft == null) {
sft = layerSft;
}
AttributeDescriptor ad = sft.getAttribute(ca.getAttributeName());
j.put("alias", ad.getAlias());
j.put("featureTypeAttribute", ad.toJSONObject());
attributesJSON.put(j);
}
}