/// <summary>
/// Constructs an attribute that defines a parameter that is expected by a service endpoint.
/// This version of the constructor is for the case where the attribute is attached to a method
/// </summary>
/// <param name="parameterName">The name of the parameter. This will be the name
/// if the query string parameter, custom header, form field etc</param>
/// <param name="parserType">A type that provides parsing and validation. This type must have a default public constructor</param>
/// <param name="parameterType">Bit flags indicating which methods of providing the parameter are allowed</param>
public EndpointParameterAttribute(
string parameterName,
Type parserType,
EndpointParameterType parameterType = EndpointParameterType.QueryString)
{
ParameterName = parameterName;
ParserType = parserType;
ParameterType = parameterType;
}
public void AddParameter(string name, EndpointParameterType parameterType, IParameterParser parser)
{
var functions = new List <Func <IEndpointRequest, string, string> >();
if (parameterType.HasFlag(EndpointParameterType.QueryString))
{
functions.Add(QueryStringParam);
}
if (parameterType.HasFlag(EndpointParameterType.Header))
{
functions.Add(HeaderParam);
}
if (parameterType.HasFlag(EndpointParameterType.PathSegment))
{
var placeholder = "{" + name + "}";
for (var i = 0; i < _pathElements.Length; i++)
{
var index = i;
if (string.Equals(placeholder, _pathElements[i], StringComparison.OrdinalIgnoreCase))
{
functions.Add((r, n) => PathSegmentParam(r, index));
break;
}
}
}
if (parameterType.HasFlag(EndpointParameterType.FormField))
{
functions.Add(FormFieldParam);
}
var parameter = new EndpointParameter
{
Name = name,
ParameterType = parameterType,
Parser = parser,
Functions = functions.ToArray()
};
if (_parameters == null)
{
_parameters = new[] { parameter };
}
else
{
var parameters = _parameters.ToList();
parameters.Add(parameter);
_parameters = parameters.ToArray();
}
}
/// <summary>
/// Constructs an attribute that defines a parameter that is expected by a service endpoint
/// This version of the constructor is for the case where the attribute is attached to a parameter
/// </summary>
/// <param name="parameterType">Bit flags indicating which methods of providing the parameter are allowed</param>
public EndpointParameterAttribute(
EndpointParameterType parameterType = EndpointParameterType.QueryString)
{
ParameterType = parameterType;
}