internal static ReadOnlyCollection <IAuthorizationPolicy> CloneAuthorizationPoliciesIfNecessary(ReadOnlyCollection <IAuthorizationPolicy> authorizationPolicies)
{
if (authorizationPolicies != null && authorizationPolicies.Count > 0)
{
bool clone = false;
for (int i = 0; i < authorizationPolicies.Count; ++i)
{
UnconditionalPolicy policy = authorizationPolicies[i] as UnconditionalPolicy;
if (policy != null && policy.IsDisposable)
{
clone = true;
break;
}
}
if (clone)
{
List <IAuthorizationPolicy> ret = new List <IAuthorizationPolicy>(authorizationPolicies.Count);
for (int i = 0; i < authorizationPolicies.Count; ++i)
{
UnconditionalPolicy policy = authorizationPolicies[i] as UnconditionalPolicy;
if (policy != null)
{
ret.Add(policy.Clone());
}
else
{
ret.Add(authorizationPolicies[i]);
}
}
return(new ReadOnlyCollection <IAuthorizationPolicy>(ret));
}
}
return(authorizationPolicies);
}
internal static ReadOnlyCollection <IAuthorizationPolicy> CloneAuthorizationPoliciesIfNecessary(ReadOnlyCollection <IAuthorizationPolicy> authorizationPolicies)
{
if ((authorizationPolicies == null) || (authorizationPolicies.Count <= 0))
{
return(authorizationPolicies);
}
bool flag = false;
for (int i = 0; i < authorizationPolicies.Count; i++)
{
UnconditionalPolicy policy = authorizationPolicies[i] as UnconditionalPolicy;
if ((policy != null) && policy.IsDisposable)
{
flag = true;
break;
}
}
if (!flag)
{
return(authorizationPolicies);
}
List <IAuthorizationPolicy> list = new List <IAuthorizationPolicy>(authorizationPolicies.Count);
for (int j = 0; j < authorizationPolicies.Count; j++)
{
UnconditionalPolicy policy2 = authorizationPolicies[j] as UnconditionalPolicy;
if (policy2 != null)
{
list.Add(policy2.Clone());
}
else
{
list.Add(authorizationPolicies[j]);
}
}
return(list.AsReadOnly());
}