/// <summary>
/// Generates a string to be used as the skip token value within the next link.
/// </summary>
/// <param name="lastMember"> Object based on which SkipToken value will be generated.</param>
/// <param name="model">The edm model.</param>
/// <param name="orderByNodes">List of orderByNodes used to generate the skiptoken value.</param>
/// <returns>Value for the skiptoken to be used in the next link.</returns>
private static string GenerateSkipTokenValue(Object lastMember, IEdmModel model, IList <OrderByNode> orderByNodes)
{
if (lastMember == null)
{
return(String.Empty);
}
IEnumerable <IEdmProperty> propertiesForSkipToken = GetPropertiesForSkipToken(lastMember, model, orderByNodes);
StringBuilder skipTokenBuilder = new StringBuilder(String.Empty);
if (propertiesForSkipToken == null)
{
return(skipTokenBuilder.ToString());
}
int count = 0;
string uriLiteral;
object value;
int lastIndex = propertiesForSkipToken.Count() - 1;
IEdmStructuredObject obj = lastMember as IEdmStructuredObject;
foreach (IEdmProperty edmProperty in propertiesForSkipToken)
{
bool islast = count == lastIndex;
string clrPropertyName = EdmLibHelpers.GetClrPropertyName(edmProperty, model);
if (obj != null)
{
obj.TryGetPropertyValue(clrPropertyName, out value);
}
else
{
value = lastMember.GetType().GetProperty(clrPropertyName).GetValue(lastMember);
}
if (value == null)
{
uriLiteral = ODataUriUtils.ConvertToUriLiteral(value, ODataVersion.V401);
}
else if (edmProperty.Type.IsEnum())
{
ODataEnumValue enumValue = new ODataEnumValue(value.ToString(), value.GetType().FullName);
uriLiteral = ODataUriUtils.ConvertToUriLiteral(enumValue, ODataVersion.V401, model);
}
else if (edmProperty.Type.IsDateTimeOffset() && value is DateTime)
{
var dateTime = (DateTime)value;
var dateTimeOffsetValue = TimeZoneInfoHelper.ConvertToDateTimeOffset(dateTime);
uriLiteral = ODataUriUtils.ConvertToUriLiteral(dateTimeOffsetValue, ODataVersion.V401, model);
}
else
{
uriLiteral = ODataUriUtils.ConvertToUriLiteral(value, ODataVersion.V401, model);
}
skipTokenBuilder.Append(edmProperty.Name).Append(propertyDelimiter).Append(uriLiteral).Append(islast ? String.Empty : CommaDelimiter.ToString());
count++;
}
return(skipTokenBuilder.ToString());
}
internal static object ConvertUnsupportedPrimitives(object value)
{
if (value != null)
{
Type type = value.GetType();
// Note that type cannot be a nullable type as value is not null and it is boxed.
switch (Type.GetTypeCode(type))
{
case TypeCode.Char:
return(new String((char)value, 1));
case TypeCode.UInt16:
return((int)(ushort)value);
case TypeCode.UInt32:
return((long)(uint)value);
case TypeCode.UInt64:
return(checked ((long)(ulong)value));
case TypeCode.DateTime:
DateTime dateTime = (DateTime)value;
return(TimeZoneInfoHelper.ConvertToDateTimeOffset(dateTime));
default:
if (type == typeof(char[]))
{
return(new String(value as char[]));
}
else if (type == typeof(XElement))
{
return(((XElement)value).ToString());
}
#if NETFX // System.Data.Linq.Binary is only supported in the AspNet version.
else if (type == typeof(Binary))
{
return(((Binary)value).ToArray());
}
#endif
break;
}
}
return(value);
}
internal static object ConvertUnsupportedPrimitives(object value, TimeZoneInfo timeZoneInfo)
{
if (value != null)
{
Type type = value.GetType();
// Note that type cannot be a nullable type as value is not null and it is boxed.
switch (Type.GetTypeCode(type))
{
case TypeCode.Char:
return(new string((char)value, 1));
case TypeCode.UInt16:
return((int)(ushort)value);
case TypeCode.UInt32:
return((long)(uint)value);
case TypeCode.UInt64:
return(checked ((long)(ulong)value));
case TypeCode.DateTime:
DateTime dateTime = (DateTime)value;
return(TimeZoneInfoHelper.ConvertToDateTimeOffset(dateTime, timeZoneInfo));
default:
if (type == typeof(char[]))
{
return(new string(value as char[]));
}
else if (type == typeof(XElement))
{
return(((XElement)value).ToString());
}
break;
}
}
return(value);
}
