/// <summary>
/// Executes the transform.
/// </summary>
/// <param name="claimSet">Input set of claims to transform.</param>
/// <returns>Transformed set of claims.</returns>
public override IEnumerable <Claim> TransformClaims(IEnumerable <Claim> claims)
{
if (claims == null)
{
throw new ArgumentNullException("claims");
}
TransformAction action = null;
IList <Claim> matchedClaims = null;
IEnumerable <Claim> transformedClaims = null;
bool eval = false;
action = TransformAction.Create(this.Type, null);
if (this.MatchExpression != null)
{
MatchExpression matcher = MatchExpressionDictionary.Default[this.MatchExpression.Type.ToString()]; //CaplConfigurationManager.MatchExpressions[this.MatchExpression.Type.ToString()];
matchedClaims = matcher.MatchClaims(claims, this.MatchExpression.ClaimType, this.MatchExpression.Value);
}
if (this.Expression == null)
{
eval = true;
}
else
{
eval = this.Expression.Evaluate(claims);
}
if (eval)
{
transformedClaims = action.Execute(claims, matchedClaims, this.TargetClaim);
}
if (transformedClaims != null)
{
return(transformedClaims);
}
else
{
return(claims);
}
}
