private void LogFoundMapping(TargetMap targetMap)
{
_logger.LogDebug(MappingLogEvents.MappingApplied, "Mapping Applied: {SourceType} --> {TargetType} Using Strategy: {StrategyType}",
targetMap.SourceType,
targetMap.TargetType,
targetMap.StrategyType);
}
public object Map(object source, Type targetType)
{
if (source == null)
{
throw new ArgumentNullException(nameof(source),
"Source object to map cannot be null.");
}
if (targetType == null)
{
throw new ArgumentNullException(nameof(targetType),
"Target Type to map source to cannot be null.");
}
TargetMap targetMap = FindMappingStrategy(source.GetType(), targetType);
// Complete a reverse lookup.
if (targetMap == null)
{
targetMap = FindMappingStrategy(targetType, source.GetType());
}
if (targetMap == null)
{
throw new InvalidOperationException(
$"Mapping strategy not found. Source: { source.GetType().FullName} Target: {targetType.FullName}");
}
// If the mapping strategy instance was originally created by a IMappingStrategyFactory,
// return the cached instance. Otherwise, create an instance of the custom mapping strategy
// using the service provider..
var strategy = targetMap.StrategyInstance ??
(IMappingStrategy)_services.GetRequiredService(targetMap.StrategyType);
LogFoundMapping(targetMap);
return(strategy.Map(this, source));
}
