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//
// Authors:
// Marek Habersack <mhabersack@novell.com>
//
// Copyright (C) 2010 Novell, Inc (http://novell.com/)
//
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Configuration;
using System.ComponentModel;
using System.Globalization;
namespace System.Web.Configuration
{
sealed class VersionConverter : ConfigurationConverterBase
{
Version minVersion;
string exceptionText;
public VersionConverter ()
{
}
public VersionConverter (int minMajor, int minMinor, string exceptionText = null)
{
minVersion = new Version (minMajor, minMinor);
this.exceptionText = exceptionText;
}
public override object ConvertFrom (ITypeDescriptorContext ctx, CultureInfo ci, object data)
{
string input = data as string;
if (String.IsNullOrEmpty (input))
throw new ConfigurationErrorsException ("The input string is too short or null.");
Version result;
if (!Version.TryParse (input, out result))
throw new ConfigurationErrorsException ("The input string wasn't in correct format.");
if (minVersion != null && result < minVersion)
throw new ConfigurationErrorsException (String.Format (exceptionText, result, minVersion));
return result;
}
public override object ConvertTo (ITypeDescriptorContext ctx, CultureInfo ci, object value, Type type)
{
Version ver = value as Version;
if (ver == null)
throw new ArgumentException ("Is not an instance of the Version type", "value");
if (type == typeof (string))
return ver.ToString ();
if (type == typeof (Version))
return ver.Clone ();
throw new ConfigurationErrorsException ("Conversion to type '" + type + "' is not supported.");
}
}
}
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