SecurityTokenSerializer.cs source code in C# .NET

                        Code:
                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WCF / IdentityModel / System / IdentityModel / Selectors / SecurityTokenSerializer.cs / 1305376 / SecurityTokenSerializer.cs
                        
                        
                            //------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------

namespace System.IdentityModel.Selectors 
{
    using System.Xml; 
    using System.IdentityModel.Tokens; 

    ///  
    /// SecurityTokenSerializer is responsible for writing and reading SecurityKeyIdentifiers, SecurityKeyIdentifierClauses and SecurityTokens.
    /// In order to read SecurityTokens the SecurityTokenSerializer may need to resolve token references using the SecurityTokenResolvers that get passed in.
    /// The SecurityTokenSerializer is stateless
    /// Exceptions: XmlException, SecurityTokenException, NotSupportedException, InvalidOperationException, ArgumentException 
    /// 
    public abstract class SecurityTokenSerializer 
    { 
        // public methods
        public bool CanReadToken(XmlReader reader) 
        {
            if (reader == null)
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("reader"); 
            }
            return CanReadTokenCore(reader); ; 
        } 

        public bool CanWriteToken(SecurityToken token) 
        {
            if (token == null)
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("token"); 
            }
            return CanWriteTokenCore(token); ; 
        } 

        public bool CanReadKeyIdentifier(XmlReader reader) 
        {
            if (reader == null)
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("reader"); 
            }
            return CanReadKeyIdentifierCore(reader); ; 
        } 

        public bool CanWriteKeyIdentifier(SecurityKeyIdentifier keyIdentifier) 
        {
            if (keyIdentifier == null)
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("keyIdentifier"); 
            }
            return CanWriteKeyIdentifierCore(keyIdentifier); ; 
        } 

        public bool CanReadKeyIdentifierClause(XmlReader reader) 
        {
            if (reader == null)
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("reader"); 
            }
            return CanReadKeyIdentifierClauseCore(reader); ; 
        } 

        public bool CanWriteKeyIdentifierClause(SecurityKeyIdentifierClause keyIdentifierClause) 
        {
            if (keyIdentifierClause == null)
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("keyIdentifierClause"); 
            }
            return CanWriteKeyIdentifierClauseCore(keyIdentifierClause); ; 
        } 

 
        public SecurityToken ReadToken(XmlReader reader, SecurityTokenResolver tokenResolver)
        {
            if (reader == null)
            { 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("reader");
            } 
            return ReadTokenCore(reader, tokenResolver); 
        }
 
        public void WriteToken(XmlWriter writer, SecurityToken token)
        {
            if (writer == null)
            { 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("writer");
            } 
            if (token == null) 
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("token"); 
            }
            WriteTokenCore(writer, token);
        }
 
        public SecurityKeyIdentifier ReadKeyIdentifier(XmlReader reader)
        { 
            if (reader == null) 
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("reader"); 
            }
            return ReadKeyIdentifierCore(reader);
        }
 
        public void WriteKeyIdentifier(XmlWriter writer, SecurityKeyIdentifier keyIdentifier)
        { 
            if (writer == null) 
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("writer"); 
            }
            if (keyIdentifier == null)
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("keyIdentifier"); 
            }
            WriteKeyIdentifierCore(writer, keyIdentifier); 
        } 

        public SecurityKeyIdentifierClause ReadKeyIdentifierClause(XmlReader reader) 
        {
            if (reader == null)
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("reader"); 
            }
            return ReadKeyIdentifierClauseCore(reader); 
        } 

        public void WriteKeyIdentifierClause(XmlWriter writer, SecurityKeyIdentifierClause keyIdentifierClause) 
        {
            if (writer == null)
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("writer"); 
            }
            if (keyIdentifierClause == null) 
            { 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("keyIdentifierClause");
            } 
            WriteKeyIdentifierClauseCore(writer, keyIdentifierClause);
        }

 
        // protected abstract methods
        protected abstract bool CanReadTokenCore(XmlReader reader); 
        protected abstract bool CanWriteTokenCore(SecurityToken token); 
        protected abstract bool CanReadKeyIdentifierCore(XmlReader reader);
        protected abstract bool CanWriteKeyIdentifierCore(SecurityKeyIdentifier keyIdentifier); 
        protected abstract bool CanReadKeyIdentifierClauseCore(XmlReader reader);
        protected abstract bool CanWriteKeyIdentifierClauseCore(SecurityKeyIdentifierClause keyIdentifierClause);

        protected abstract SecurityToken ReadTokenCore(XmlReader reader, SecurityTokenResolver tokenResolver); 
        protected abstract void WriteTokenCore(XmlWriter writer, SecurityToken token);
        protected abstract SecurityKeyIdentifier ReadKeyIdentifierCore(XmlReader reader); 
        protected abstract void WriteKeyIdentifierCore(XmlWriter writer, SecurityKeyIdentifier keyIdentifier); 
        protected abstract SecurityKeyIdentifierClause ReadKeyIdentifierClauseCore(XmlReader reader);
        protected abstract void WriteKeyIdentifierClauseCore(XmlWriter writer, SecurityKeyIdentifierClause keyIdentifierClause); 
    }
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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SecurityTokenSerializer.cs source code in C# .NET

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