src/DotNetOpenAuth/OpenId/Extensions/ProviderAuthenticationPolicy/TimespanSecondsEncoder.cs

   1 //-----------------------------------------------------------------------
   2 // <copyright file="TimespanSecondsEncoder.cs" company="Andrew Arnott">
   3 //     Copyright (c) Andrew Arnott. All rights reserved.
   4 // </copyright>
   5 //-----------------------------------------------------------------------
   6
   7 namespace DotNetOpenAuth.OpenId.Extensions.ProviderAuthenticationPolicy {
   8         using System;
   9         using System.Globalization;
  10         using DotNetOpenAuth.Messaging.Reflection;
  11
  12         /// <summary>
  13         /// Encodes and decodes the <see cref="TimeSpan"/> as an integer of total seconds.
  14         /// </summary>
  15         internal class TimespanSecondsEncoder : IMessagePartEncoder {
  16                 #region IMessagePartEncoder Members
  17
  18                 /// <summary>
  19                 /// Encodes the specified value.
  20                 /// </summary>
  21                 /// <param name="value">The value.  Guaranteed to never be null.</param>
  22                 /// <returns>
  23                 /// The <paramref name="value"/> in string form, ready for message transport.
  24                 /// </returns>
  25                 public string Encode(object value) {
  26                         TimeSpan? timeSpan = value as TimeSpan?;
  27                         if (timeSpan.HasValue) {
  28                                 return timeSpan.Value.TotalSeconds.ToString(CultureInfo.InvariantCulture);
  29                         } else {
  30                                 return null;
  31                         }
  32                 }
  33
  34                 /// <summary>
  35                 /// Decodes the specified value.
  36                 /// </summary>
  37                 /// <param name="value">The string value carried by the transport.  Guaranteed to never be null, although it may be empty.</param>
  38                 /// <returns>
  39                 /// The deserialized form of the given string.
  40                 /// </returns>
  41                 /// <exception cref="FormatException">Thrown when the string value given cannot be decoded into the required object type.</exception>
  42                 public object Decode(string value) {
  43                         return TimeSpan.FromSeconds(double.Parse(value, CultureInfo.InvariantCulture));
  44                 }
  45
  46                 #endregion
  47         }
  48 }