2 // RetryConditionHeaderValue.cs
5 // Marek Safar <marek.safar@gmail.com>
7 // Copyright (C) 2011 Xamarin Inc (http://www.xamarin.com)
9 // Permission is hereby granted, free of charge, to any person obtaining
10 // a copy of this software and associated documentation files (the
11 // "Software"), to deal in the Software without restriction, including
12 // without limitation the rights to use, copy, modify, merge, publish,
13 // distribute, sublicense, and/or sell copies of the Software, and to
14 // permit persons to whom the Software is furnished to do so, subject to
15 // the following conditions:
17 // The above copyright notice and this permission notice shall be
18 // included in all copies or substantial portions of the Software.
20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
29 using System.Globalization;
31 namespace System.Net.Http.Headers
33 public class RetryConditionHeaderValue : ICloneable
35 public RetryConditionHeaderValue (DateTimeOffset date)
40 public RetryConditionHeaderValue (TimeSpan delta)
42 if (delta.TotalSeconds > uint.MaxValue)
43 throw new ArgumentOutOfRangeException ("delta");
48 public DateTimeOffset? Date { get; private set; }
49 public TimeSpan? Delta { get; private set; }
51 object ICloneable.Clone ()
53 return MemberwiseClone ();
56 public override bool Equals (object obj)
58 var source = obj as RetryConditionHeaderValue;
59 return source != null && source.Date == Date && source.Delta == Delta;
62 public override int GetHashCode ()
64 return Date.GetHashCode () ^ Delta.GetHashCode ();
67 public static RetryConditionHeaderValue Parse (string input)
69 RetryConditionHeaderValue value;
70 if (TryParse (input, out value))
73 throw new FormatException (input);
76 public static bool TryParse (string input, out RetryConditionHeaderValue parsedValue)
80 var lexer = new Lexer (input);
81 var t = lexer.Scan ();
82 if (t != Token.Type.Token)
85 var ts = lexer.TryGetTimeSpanValue (t);
87 if (lexer.Scan () != Token.Type.End)
90 parsedValue = new RetryConditionHeaderValue (ts.Value);
93 if (!Lexer.TryGetDateValue (input, out date))
96 parsedValue = new RetryConditionHeaderValue (date);
102 public override string ToString ()
104 return Delta != null ?
105 Delta.Value.TotalSeconds.ToString (CultureInfo.InvariantCulture) :
106 Date.Value.ToString ("r", CultureInfo.InvariantCulture);