public static Class getNestedPropertyType(DynaClass bean, String name)
throws IllegalAccessException, InvocationTargetException, NoSuchMethodException,
ClassNotFoundException, NoSuchFieldException {
// Resolve nested references
while (resolver.hasNested(name)) {
String next = resolver.next(name);
if (resolver.isIndexed(next) || resolver.isMapped(next)) {
String property = resolver.getProperty(next);
Class<?> clazz = Class.forName(bean.getName());
Class<?> detectTypeParameter =
detectTypeParameter(clazz, property, resolver.isIndexed(name) ? 0 : 1);
bean = WrapDynaClass.createDynaClass(detectTypeParameter);
return getNestedPropertyType(bean, resolver.remove(name));
}
DynaProperty db = bean.getDynaProperty(next);
bean = WrapDynaClass.createDynaClass(db.getType());
name = resolver.remove(name);
}
if (resolver.isMapped(name) || resolver.isIndexed(name)) {
String property = resolver.getProperty(name);
Class<?> clazz = Class.forName(bean.getName());
return detectTypeParameter(clazz, property, resolver.isIndexed(name) ? 0 : 1);
}
Class<?> type = bean.getDynaProperty(name).getType();
return type;
}
@Override
public Collection<?> getSortableContainerPropertyIds() {
if (backingList instanceof SortableLazyList) {
// Assume SortableLazyList can sort by any Comparable property
} else if (backingList instanceof LazyList) {
// When using LazyList, don't support sorting by default
// as the sorting should most probably be done at backend call level
return Collections.emptySet();
}
final ArrayList<String> props = new ArrayList<String>();
for (Object a : getContainerPropertyIds()) {
DynaProperty db = getDynaClass().getDynaProperty(a.toString());
if (db != null
&& db.getType() != null
&& (db.getType().isPrimitive() || Comparable.class.isAssignableFrom(db.getType()))) {
props.add(db.getName());
}
}
return props;
}
@Override
public Collection<String> getContainerPropertyIds() {
if (properties == null) {
if (getDynaClass() != null) {
ArrayList<String> props = new ArrayList<String>();
for (DynaProperty db : getDynaClass().getDynaProperties()) {
if (db.getType() != null) {
props.add(db.getName());
} else {
// type may be null in some cases
Logger.getLogger(ListContainer.class.getName())
.log(Level.FINE, "Type not detected for property {0}", db.getName());
}
}
props.remove("class");
properties = props;
} else {
return Collections.EMPTY_LIST;
}
}
return properties;
}
@Override
public Class<?> getType(Object propertyId) {
final String pName = propertyId.toString();
try {
final DynaProperty dynaProperty = getDynaClass().getDynaProperty(pName);
final Class<?> type = dynaProperty.getType();
if (type.isPrimitive()) {
// Vaadin can't handle primitive types in _all_ places, so use
// wrappers instead. FieldGroup works, but e.g. Table in _editable_
// mode fails for some reason
return ClassUtils.primitiveToWrapper(type);
}
return type;
} catch (Exception e) {
// If type can't be found via dynaClass, it is most likely
// nested/indexed/mapped property
try {
return getNestedPropertyType(getDynaClass(), pName);
} catch (Exception ex) {
throw new RuntimeException(ex);
}
}
}
