2 // System.Configuration.TimeSpanSecondsOrInfiniteConverter.cs
5 // Lluis Sanchez Gual (lluis@novell.com)
6 // Chris Toshok (toshok@ximian.com)
8 // Permission is hereby granted, free of charge, to any person obtaining
9 // a copy of this software and associated documentation files (the
10 // "Software"), to deal in the Software without restriction, including
11 // without limitation the rights to use, copy, modify, merge, publish,
12 // distribute, sublicense, and/or sell copies of the Software, and to
13 // permit persons to whom the Software is furnished to do so, subject to
14 // the following conditions:
16 // The above copyright notice and this permission notice shall be
17 // included in all copies or substantial portions of the Software.
19 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
20 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
22 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
23 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
24 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
25 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
32 using System.ComponentModel;
33 using System.Globalization;
35 namespace System.Configuration
37 public sealed class TimeSpanSecondsOrInfiniteConverter: TimeSpanSecondsConverter
39 public override object ConvertFrom (ITypeDescriptorContext ctx, CultureInfo ci, object data)
41 if ((string)data == "Infinite")
42 return TimeSpan.MaxValue;
44 return base.ConvertFrom(ctx, ci, data);
47 public override object ConvertTo (ITypeDescriptorContext ctx, CultureInfo ci, object value, Type type)
49 /* don't use "value is TimeSpan" here, since
50 * we want to generate both a NRE on null
51 * value, and ArgumentException on non-null,
52 * but non-TimeSpan. */
53 if (value.GetType () != typeof (TimeSpan))
54 throw new ArgumentException ();
56 if (((TimeSpan)value) == TimeSpan.MaxValue)
59 return base.ConvertTo (ctx, ci, value, type);