/// <summary>
/// SetApplication will change the application context of principal object
/// so that principal object represents the user membership information of
/// a given application
/// </summary>
/// <param name="application">name of the application for which SAFPrincipal will switch the its membership information.</param>
public void SetApplication(string application)
{
ConfigurationManager cm = (ConfigurationManager)ConfigurationSettings.GetConfig("Framework");
AuthenticationConfiguration ac = cm.AuthenticationConfig;
//retrieve the type informatioin for the principal object of a given applicaiton
string typeName = ac.GetPrincipalTypeForApplication(application);
string appUserName = cm.AuthenticationConfig.GetIdentityForApplicaiton(safUser, application);
SAFIdentity safIdentity = new SAFIdentity(appUserName, application);
Type type = Type.GetType(typeName);
object[] parameters = new object[1] {
safIdentity
};
//set the new object to the internal principal object.
currentApplicationPrincipal = (IPrincipal)Activator.CreateInstance(type, parameters);
identity = (IIdentity)safIdentity;
}