protected List<OrderByClause> getOrderByClauses(final String orderBy) {
if (StringUtils.isBlank(orderBy)) {
return Collections.<OrderByClause>emptyList();
}
List<OrderByClause> result = new ArrayList<>();
for (String clause : orderBy.split(",")) {
String[] elems = clause.split(" ");
if (elems.length > 0 && StringUtils.isNotBlank(elems[0])) {
OrderByClause obc = new OrderByClause();
obc.setField(elems[0].trim());
if (elems.length > 1 && StringUtils.isNotBlank(elems[1])) {
obc.setDirection(
elems[1].trim().equalsIgnoreCase(OrderByClause.Direction.ASC.name())
? OrderByClause.Direction.ASC
: OrderByClause.Direction.DESC);
}
result.add(obc);
}
}
return result;
}
