internal static ServiceQuery GetServiceQuery(Uri uri)
{
Contract.Requires(uri != null);
NameValueCollection queryPartCollection = HttpUtility.ParseQueryString(uri.Query);
List <ServiceQueryPart> serviceQueryParts = new List <ServiceQueryPart>();
foreach (string queryPart in queryPartCollection)
{
if (queryPart == null || !queryPart.StartsWith("$", StringComparison.Ordinal))
{
// not a special query string
continue;
}
foreach (string value in queryPartCollection.GetValues(queryPart))
{
ServiceQueryPart serviceQueryPart = new ServiceQueryPart(queryPart.Substring(1), value);
serviceQueryParts.Add(serviceQueryPart);
}
}
// Query parts for OData need to be ordered $filter, $orderby, $skip, $top. For this
// set of query operators, they are already in alphabetical order, so it suffices to
// order by operator name. In the future if we support other operators, this may need
// to be reexamined.
serviceQueryParts = serviceQueryParts.OrderBy(p => p.QueryOperator).ToList();
ServiceQuery serviceQuery = new ServiceQuery()
{
QueryParts = serviceQueryParts,
};
return(serviceQuery);
}