70 lines
2.5 KiB
C#
70 lines
2.5 KiB
C#
//-----------------------------------------------------------------------------
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//-----------------------------------------------------------------------------
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namespace System.ServiceModel.Configuration
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{
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using System;
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using System.ComponentModel;
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using System.ComponentModel.Design.Serialization;
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using System.Globalization;
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using System.ServiceModel.Channels;
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using System.Text;
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class EncodingConverter : TypeConverter
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{
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public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType)
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{
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if (typeof(string) == sourceType)
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{
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return true;
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}
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return base.CanConvertFrom(context, sourceType);
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}
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public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType)
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{
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if (typeof(InstanceDescriptor) == destinationType)
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{
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return true;
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}
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return base.CanConvertTo(context, destinationType);
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}
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public override object ConvertFrom(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value)
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{
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if (value is string)
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{
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string encoding = (string)value;
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Encoding retval;
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if (String.Compare(encoding, TextEncoderDefaults.EncodingString, StringComparison.OrdinalIgnoreCase) == 0)
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{
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// special case for utf-8 to match with what we do in the default text encoding
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retval = TextEncoderDefaults.Encoding;
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}
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else
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{
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retval = Encoding.GetEncoding(encoding);
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}
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if (retval == null)
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{
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throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument("value", SR.GetString(SR.ConfigInvalidEncodingValue, encoding));
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}
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return retval;
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}
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return base.ConvertFrom(context, culture, value);
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}
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public override object ConvertTo(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value, Type destinationType)
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{
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if (typeof(string) == destinationType && value is Encoding)
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{
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Encoding encoding = (Encoding)value;
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return encoding.HeaderName;
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}
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return base.ConvertTo(context, culture, value, destinationType);
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}
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}
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}
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