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+//
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+// System.Configuration.InfiniteTimeSpanConverter.cs
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+//
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+// Authors:
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+// Chris Toshok ([email protected])
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+//
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+// Permission is hereby granted, free of charge, to any person obtaining
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+// a copy of this software and associated documentation files (the
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+// "Software"), to deal in the Software without restriction, including
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+// without limitation the rights to use, copy, modify, merge, publish,
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+// distribute, sublicense, and/or sell copies of the Software, and to
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+// permit persons to whom the Software is furnished to do so, subject to
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+// the following conditions:
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+//
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+// The above copyright notice and this permission notice shall be
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+// included in all copies or substantial portions of the Software.
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+//
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+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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+//
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+// Copyright (C) 2005 Novell, Inc (http://www.novell.com)
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+//
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+
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+#if NET_2_0
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+
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+using System.ComponentModel;
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+using System.Globalization;
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+
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+namespace System.Configuration
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+{
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+ public sealed class InfiniteTimeSpanConverter: ConfigurationConverterBase
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+ {
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+ public InfiniteTimeSpanConverter ()
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+ {
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+ }
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+
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+ public override object ConvertFrom (ITypeDescriptorContext ctx, CultureInfo ci, object data)
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+ {
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+ if ((string)data == "Infinite")
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+ return TimeSpan.MaxValue;
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+ else
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+ return TimeSpan.Parse ((string)data);
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+ }
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+
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+ public override object ConvertTo (ITypeDescriptorContext ctx, CultureInfo ci, object value, Type type)
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+ {
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+ /* don't use "value is TimeSpan" here, since
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+ * we want to generate both a NRE on null
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+ * value, and ArgumentException on non-null,
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+ * but non-TimeSpan. */
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+ if (value.GetType () != typeof (TimeSpan))
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+ throw new ArgumentException ();
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+
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+ if (((TimeSpan)value) == TimeSpan.MaxValue)
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+ return "Infinite";
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+ else
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+ return value.ToString();
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+ }
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+ }
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+}
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+#endif
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Chris Toshok