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//------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------
namespace System.IdentityModel.Tokens
{
using System.Collections.ObjectModel;
public abstract class SecurityToken
{
public abstract string Id { get; }
public abstract ReadOnlyCollection<SecurityKey> SecurityKeys { get; }
public abstract DateTime ValidFrom { get; }
public abstract DateTime ValidTo { get; }
public virtual bool CanCreateKeyIdentifierClause<T>() where T : SecurityKeyIdentifierClause
{
return ((typeof(T) == typeof(LocalIdKeyIdentifierClause)) && CanCreateLocalKeyIdentifierClause());
}
public virtual T CreateKeyIdentifierClause<T>() where T : SecurityKeyIdentifierClause
{
if ((typeof(T) == typeof(LocalIdKeyIdentifierClause)) && CanCreateLocalKeyIdentifierClause())
return new LocalIdKeyIdentifierClause(this.Id, this.GetType()) as T;
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException(
SR.GetString(SR.TokenDoesNotSupportKeyIdentifierClauseCreation, GetType().Name, typeof(T).Name)));
}
public virtual bool MatchesKeyIdentifierClause(SecurityKeyIdentifierClause keyIdentifierClause)
{
LocalIdKeyIdentifierClause localKeyIdentifierClause = keyIdentifierClause as LocalIdKeyIdentifierClause;
if (localKeyIdentifierClause != null)
return localKeyIdentifierClause.Matches(this.Id, this.GetType());
return false;
}
public virtual SecurityKey ResolveKeyIdentifierClause(SecurityKeyIdentifierClause keyIdentifierClause)
{
if (this.SecurityKeys.Count != 0 && MatchesKeyIdentifierClause(keyIdentifierClause))
return this.SecurityKeys[0];
return null;
}
bool CanCreateLocalKeyIdentifierClause()
{
return (this.Id != null);
}
}
}
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