protected List<SelectItem> getSelectItems(FacesContext context, UIInput component) {
List<SelectItem> selectItems = new ArrayList<SelectItem>();
for (UIComponent child : component.getChildren()) {
if (child instanceof UISelectItem) {
UISelectItem uiSelectItem = (UISelectItem) child;
Object selectItemValue = uiSelectItem.getValue();
if (selectItemValue == null) {
selectItems.add(
new SelectItem(
uiSelectItem.getItemValue(),
uiSelectItem.getItemLabel(),
uiSelectItem.getItemDescription(),
uiSelectItem.isItemDisabled(),
uiSelectItem.isItemEscaped(),
uiSelectItem.isNoSelectionOption()));
} else {
selectItems.add((SelectItem) selectItemValue);
}
} else if (child instanceof UISelectItems) {
UISelectItems uiSelectItems = ((UISelectItems) child);
Object value = uiSelectItems.getValue();
if (value != null) {
if (value instanceof SelectItem) {
selectItems.add((SelectItem) value);
} else if (value.getClass().isArray()) {
for (int i = 0; i < Array.getLength(value); i++) {
Object item = Array.get(value, i);
if (item instanceof SelectItem) selectItems.add((SelectItem) item);
else selectItems.add(createSelectItem(context, uiSelectItems, item));
}
} else if (value instanceof Map) {
Map map = (Map) value;
for (Iterator it = map.keySet().iterator(); it.hasNext(); ) {
Object key = it.next();
selectItems.add(
createSelectItem(context, uiSelectItems, String.valueOf(key), map.get(key)));
}
} else if (value instanceof Collection) {
Collection collection = (Collection) value;
for (Iterator it = collection.iterator(); it.hasNext(); ) {
Object item = it.next();
if (item instanceof SelectItem) selectItems.add((SelectItem) item);
else selectItems.add(createSelectItem(context, uiSelectItems, item));
}
}
}
}
}
return selectItems;
}