public void AddMapping(string sourceName, string index, string mappedName, string defaultValue = null)
{
Guard.ArgumentNotEmpty(() => sourceName);
Guard.ArgumentNotEmpty(() => mappedName);
var key = CreateSourceName(sourceName, index);
_map[key] = new ColumnMappingItem
{
SoureName = key,
MappedName = mappedName,
Default = defaultValue
};
}
private TProp GetDefaultValue <TProp>(ColumnMappingItem mapping, TProp defaultValue, ImportResult result = null)
{
if (mapping != null && mapping.Default.HasValue())
{
try
{
return(mapping.Default.Convert <TProp>(_segmenter.Culture));
}
catch (Exception exception)
{
if (result != null)
{
var msg = "Failed to convert default value '{0}'. Please specify a convertable default value. Column: {1}";
result.AddWarning(msg.FormatInvariant(mapping.Default, exception.Message), this.GetRowInfo(), mapping.SoureName);
}
}
}
return(defaultValue);
}