/// <summary>
/// Tries to convert convert the value from the source type to the result type.
/// </summary>
/// <param name="conversionPair">The conversion pair representing the source and result types to try converting.</param>
/// <param name="value">The value to convert.</param>
/// <param name="result">The result if the conversion was successful; otherwise null.</param>
/// <param name="exception">The exception if one was thrown during the conversion; otherwise null.</param>
/// <returns>An enumeration value indicating the outcome of the conversion attempt.</returns>
public ConversionStatus TryConvert(ConversionPair conversionPair, object value, out object result, out Exception exception)
{
Contracts.Requires.That(conversionPair != null);
Contracts.Requires.That(value != null ? value.GetType() == conversionPair.SourceType : true);
DefaultDictionary <object, object> valuePool;
if (this.valuePools.TryGetValue(conversionPair, out valuePool))
{
try
{
result = valuePool[value];
exception = null;
return(ConversionStatus.Success);
}
catch (Exception conversionException)
{
result = null;
exception = conversionException;
return(ConversionStatus.Exception);
}
}
else
{
result = null;
exception = null;
return(ConversionStatus.NoConverterFound);
}
}
/// <summary>
/// Tries to convert convert the value from the source type to the result type.
/// </summary>
/// <typeparam name="TSource">The type of the source.</typeparam>
/// <typeparam name="TResult">The type of the result.</typeparam>
/// <param name="value">The value to convert.</param>
/// <param name="result">The result if the conversion was successful; otherwise the default of the result type.</param>
/// <param name="exception">The exception if one was thrown during the conversion; otherwise null.</param>
/// <returns>An enumeration value indicating the outcome of the conversion attempt.</returns>
public ConversionStatus TryConvert <TSource, TResult>(TSource value, out TResult result, out Exception exception)
{
DefaultDictionary <object, object> valuePool;
if (this.valuePools.TryGetValue(ConversionPair.CreateNew <TSource, TResult>(), out valuePool))
{
try
{
result = (TResult)valuePool[value];
exception = null;
return(ConversionStatus.Success);
}
catch (Exception conversionException)
{
result = default(TResult);
exception = conversionException;
return(ConversionStatus.Exception);
}
}
else
{
result = default(TResult);
exception = null;
return(ConversionStatus.NoConverterFound);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="NonTypedConverter"/> class.
/// </summary>
/// <param name="converter">The converter to wrap.</param>
public NonTypedConverter(object converter)
{
Contracts.Requires.That(converter != null);
Contracts.Requires.That(IsTypeConverter(converter));
Type sourceType = converter.GetType().GetGenericArguments()[0];
Type resultType = converter.GetType().GetGenericArguments()[1];
this.ConversionPair = ConversionPair.CreateNew(sourceType, resultType);
this.converter = converter;
}
