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//------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------
namespace System.IdentityModel.Tokens
{
using System.Globalization;
public class LocalIdKeyIdentifierClause : SecurityKeyIdentifierClause
{
readonly string localId;
readonly Type[] ownerTypes;
public LocalIdKeyIdentifierClause(string localId)
: this(localId, (Type[])null)
{
}
public LocalIdKeyIdentifierClause(string localId, Type ownerType)
: this(localId, ownerType == null ? (Type[])null : new Type[] { ownerType })
{
}
public LocalIdKeyIdentifierClause(string localId, byte[] derivationNonce, int derivationLength, Type ownerType)
: this(null, derivationNonce, derivationLength, ownerType == null ? (Type[])null : new Type[] { ownerType })
{
}
internal LocalIdKeyIdentifierClause(string localId, Type[] ownerTypes)
: this(localId, null, 0, ownerTypes)
{
}
internal LocalIdKeyIdentifierClause(string localId, byte[] derivationNonce, int derivationLength, Type[] ownerTypes)
: base(null, derivationNonce, derivationLength)
{
if (localId == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("localId");
}
if (localId == string.Empty)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument(SR.GetString(SR.LocalIdCannotBeEmpty));
}
this.localId = localId;
this.ownerTypes = ownerTypes;
}
public string LocalId
{
get { return this.localId; }
}
public Type OwnerType
{
get { return (this.ownerTypes == null || this.ownerTypes.Length == 0) ? null : this.ownerTypes[0]; }
}
public override bool Matches(SecurityKeyIdentifierClause keyIdentifierClause)
{
LocalIdKeyIdentifierClause that = keyIdentifierClause as LocalIdKeyIdentifierClause;
// PreSharp Bug: Parameter 'that' to this public method must be validated: A null-dereference can occur here.
#pragma warning suppress 56506
return ReferenceEquals(this, that) || (that != null && that.Matches(this.localId, this.OwnerType));
}
public bool Matches(string localId, Type ownerType)
{
if (string.IsNullOrEmpty(localId))
return false;
if (this.localId != localId)
return false;
if (this.ownerTypes == null || ownerType == null)
return true;
for (int i = 0; i < this.ownerTypes.Length; ++i)
{
if (this.ownerTypes[i] == null || this.ownerTypes[i] == ownerType)
return true;
}
return false;
}
public override string ToString()
{
return string.Format(CultureInfo.InvariantCulture, "LocalIdKeyIdentifierClause(LocalId = '{0}', Owner = '{1}')", this.LocalId, this.OwnerType);
}
}
}
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