public static DataTypeLists<String> getPropertiesByDataType(ResourceSet resourceSet) {
if (resourceSet.isEmpty()) {
return new DataTypeLists<String>();
}
// no aggregation
DataTypeLists<String> result = new DataTypeLists<String>();
Resource resource = resourceSet.getFirstElement();
if (resource == null) {
return result;
}
for (Entry<String, Serializable> entry : resource.getProperties().entrySet()) {
Serializable value = entry.getValue();
String propertyName = entry.getKey();
if (value instanceof String) {
result.get(DataType.TEXT).add(propertyName);
}
if (value instanceof Double) {
result.get(DataType.NUMBER).add(propertyName);
}
if (value instanceof Resource) {
Resource r = (Resource) value;
if (r.getValue(LATITUDE) != null && r.getValue(LONGITUDE) != null) {
result.get(DataType.LOCATION).add(propertyName);
}
}
if (value instanceof Date) {
result.get(DataType.DATE).add(propertyName);
}
}
return result;
}
// XXX why isn't this using the same code as getPropertiesByDataType?
public static List<String> getPropertyNamesForDataType(
ResourceSet resourceSet, DataType dataType) {
if (resourceSet.isEmpty()) {
return Collections.emptyList();
}
// no aggregation
Resource resource = resourceSet.getFirstElement();
List<String> properties = new ArrayList<String>();
for (Entry<String, Serializable> entry : resource.getProperties().entrySet()) {
switch (dataType) {
case TEXT:
{
if (entry.getValue() instanceof String) {
properties.add(entry.getKey());
}
}
break;
case NUMBER:
{
if (entry.getValue() instanceof Double) {
properties.add(entry.getKey());
}
}
break;
case LOCATION:
{
if (entry.getValue() instanceof Resource) {
Resource r = (Resource) entry.getValue();
if (r.getValue(LATITUDE) != null && r.getValue(LONGITUDE) != null) {
properties.add(entry.getKey());
}
}
}
break;
case DATE:
{
if (entry.getValue() instanceof Date) {
properties.add(entry.getKey());
}
}
break;
case COLOR:
{
if (entry.getValue() instanceof Color) {
properties.add(entry.getKey());
}
}
case SHAPE:
{
if (entry.getValue() instanceof String && isShape(entry.getValue())) {
properties.add(entry.getKey());
}
}
}
}
return properties;
}
