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WSSecurityTokenSerializer Class
Visual Studio 2008
The class used for serializing and deserializing SecurityTokens, SecurityKeyIdentifiers, and SecurityKeyIdentifierClauses defined in the WS-Security, WS-Trust, and WS-SecureConversation security specifications.
Assembly: System.ServiceModel (in System.ServiceModel.dll)
This code demonstrates a custom override of this class.
public class CreditCardSecurityTokenSerializer : WSSecurityTokenSerializer { public CreditCardSecurityTokenSerializer(SecurityTokenVersion version) : base() { } protected override bool CanReadTokenCore(XmlReader reader) { XmlDictionaryReader localReader = XmlDictionaryReader.CreateDictionaryReader(reader); if (reader == null) { throw new ArgumentNullException("reader"); } if (reader.IsStartElement(Constants.CreditCardTokenName, Constants.CreditCardTokenNamespace)) { return true; } return base.CanReadTokenCore(reader); } protected override SecurityToken ReadTokenCore(XmlReader reader, SecurityTokenResolver tokenResolver) { if (reader == null) { throw new ArgumentNullException("reader"); } if (reader.IsStartElement(Constants.CreditCardTokenName, Constants.CreditCardTokenNamespace)) { string id = reader.GetAttribute(Constants.Id, Constants.WsUtilityNamespace); reader.ReadStartElement(); // Read the credit card number. string creditCardNumber = reader.ReadElementString(Constants.CreditCardNumberElementName, Constants.CreditCardTokenNamespace); // Read the expiration date. string expirationTimeString = reader.ReadElementString(Constants.CreditCardExpirationElementName, Constants.CreditCardTokenNamespace); DateTime expirationTime = XmlConvert.ToDateTime(expirationTimeString, XmlDateTimeSerializationMode.Utc); // Read the issuer of the credit card. string creditCardIssuer = reader.ReadElementString(Constants.CreditCardIssuerElementName, Constants.CreditCardTokenNamespace); reader.ReadEndElement(); CreditCardInfo cardInfo = new CreditCardInfo(creditCardNumber, creditCardIssuer, expirationTime); return new CreditCardToken(cardInfo, id); } else { return WSSecurityTokenSerializer.DefaultInstance.ReadToken(reader, tokenResolver); } } protected override bool CanWriteTokenCore(SecurityToken token) { if (token is CreditCardToken) { return true; } else { return base.CanWriteTokenCore(token); } } protected override void WriteTokenCore(XmlWriter writer, SecurityToken token) { if (writer == null) { throw new ArgumentNullException("writer"); } if (token == null) { throw new ArgumentNullException("token"); } CreditCardToken c = token as CreditCardToken; if (c != null) { writer.WriteStartElement(Constants.CreditCardTokenPrefix, Constants.CreditCardTokenName, Constants.CreditCardTokenNamespace); writer.WriteAttributeString(Constants.WsUtilityPrefix, Constants.Id, Constants.WsUtilityNamespace, token.Id); writer.WriteElementString(Constants.CreditCardNumberElementName, Constants.CreditCardTokenNamespace, c.CardInfo.CardNumber); writer.WriteElementString(Constants.CreditCardExpirationElementName, Constants.CreditCardTokenNamespace, XmlConvert.ToString(c.CardInfo.ExpirationDate, XmlDateTimeSerializationMode.Utc)); writer.WriteElementString(Constants.CreditCardIssuerElementName, Constants.CreditCardTokenNamespace, c.CardInfo.CardIssuer); writer.WriteEndElement(); writer.Flush(); } else { base.WriteTokenCore(writer, token); } } }
System.Object
System.IdentityModel.Selectors.SecurityTokenSerializer
System.ServiceModel.Security.WSSecurityTokenSerializer
System.IdentityModel.Selectors.SecurityTokenSerializer
System.ServiceModel.Security.WSSecurityTokenSerializer
Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
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