/**
* Builds a certificate reference expression that is an {@link X509Field}.
* @param token The token used to build the field.
* @return An {@link X509Field} object that represents the token. Returns null if the token does not represent an {@link X509Field}.
* @throws PolicyParseException
*/
public X509Field <string> BuildX509Field(String token) //throws PolicyParseException
{
X509Field <string> retVal = null;
X509FieldType fieldType = X509FieldType.FromToken(token);
if (fieldType != null)
{
try
{
retVal = fieldType.GetReferenceClass();
if (retVal == null)
{
throw new PolicyParseException("X509Field with token name " + token + " has not been implemented yet.");
}
}
catch (PolicyParseException)
{
throw;
}
catch (Exception e)
{
throw new PolicyParseException("Error building X509Field", e);
}
}
return(retVal);
}
protected IPolicyValue <T> EvaluateX509Field <T>(X509Certificate2 cert, X509Field <T> expression)
{
try
{
expression.InjectReferenceValue(cert);
return(expression.GetPolicyValue());
}
catch (PolicyRequiredException e)
{
// add this to the report and re-evaluate without the required flag
if (ReportModeEnabled)
{
AddErrorToReport(e);
expression.SetRequired(false);
expression.InjectReferenceValue(cert);
return(expression.GetPolicyValue());
}
// re-throw
throw;
}
}
