public ICsvRowActivatorFactory <T> Create(IConverterProvider converterProvider, IColumnNameMapper columnNameMapper)
{
CachingKey key = new CachingKey(converterProvider, columnNameMapper);
if (!cache.Keys.Contains(key))
{
var newFactory = factoryFactory.Create(converterProvider, columnNameMapper);
cache.Add(key, newFactory);
return(newFactory);
}
else
{
return(cache[key]);
}
}
public IEnumerable <T> ReadAll()
{
// Create an activator factory
ICsvRowActivatorFactory <T> activatorFactory = activatorFactoryFactory.Create(
new DefaultConverterProvider(),
new DefaultColumnNameMapper()
);
// Create a tokenizer that reads from the csvStream
CsvRowTokenizer tokenizer = new CsvRowTokenizer(csvStream);
// Start streaming data from the tokenizer
IEnumerable <string[]> rows = tokenizer.ReadAllRows();
// Grab the first line (the header)
IEnumerator <string[]> enumerator = rows.GetEnumerator();
if (!enumerator.MoveNext())
{
throw new InvalidDataException("No header found!");
}
string[] headerrow = enumerator.Current;
int columnCount = headerrow.Length;
// Start streaming tokenized data into the activator
ICsvRowActivator <T> activator = activatorFactory.Create(headerrow);
// Stream out all of the CSV rows as objects
while (enumerator.MoveNext())
{
if (enumerator.Current.Length != columnCount)
{
throw new InvalidDataException(
string.Format("Field count mismatch: a row had {0} field(s), but header had {1}!", enumerator.Current.Length, columnCount)
);
}
yield return(activator.CreateFromRow(enumerator.Current));
}
}