LocalIdKeyIdentifierClause.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / IdentityModel / System / IdentityModel / Tokens / LocalIdKeyIdentifierClause.cs / 1 / LocalIdKeyIdentifierClause.cs
                        

                        
                            //------------------------------------------------------------ 
// 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);
        } 
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.

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