84 lines
2.8 KiB
C#
84 lines
2.8 KiB
C#
//
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// Authors:
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// Marek Habersack <mhabersack@novell.com>
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//
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// Copyright (C) 2010 Novell, Inc (http://novell.com/)
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//
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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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using System;
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using System.Configuration;
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using System.ComponentModel;
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using System.Globalization;
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namespace System.Web.Configuration
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{
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sealed class VersionConverter : ConfigurationConverterBase
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{
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Version minVersion;
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string exceptionText;
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public VersionConverter ()
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{
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}
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public VersionConverter (int minMajor, int minMinor, string exceptionText = null)
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{
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minVersion = new Version (minMajor, minMinor);
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this.exceptionText = exceptionText;
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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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string input = data as string;
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if (String.IsNullOrEmpty (input))
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throw new ConfigurationErrorsException ("The input string is too short or null.");
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Version result;
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if (!Version.TryParse (input, out result))
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throw new ConfigurationErrorsException ("The input string wasn't in correct format.");
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if (minVersion != null && result < minVersion)
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throw new ConfigurationErrorsException (String.Format (exceptionText, result, minVersion));
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return result;
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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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Version ver = value as Version;
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if (ver == null)
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throw new ArgumentException ("Is not an instance of the Version type", "value");
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if (type == typeof (string))
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return ver.ToString ();
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if (type == typeof (Version))
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return ver.Clone ();
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throw new ConfigurationErrorsException ("Conversion to type '" + type + "' is not supported.");
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}
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}
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}
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