private void LoadFileButton_Click(object sender, RoutedEventArgs e)
{
try
{
var dialog = LoadFile("c:\\temp\\Person.csv");
if (dialog.ShowDialog() != true)
{
return;
}
LogMessage("Before overriding");
using (var fs = File.OpenRead(dialog.FileName))
using (var sr = new StreamReader(fs))
{
ICsvReaderService <Person> reader = new CsvReaderService <Person>(sr);
while (reader.CanRead())
{
var person = reader.GetRecord();
LogMessage(person.ToString());
}
}
LogMessage("After overriding");
using (var fs = File.OpenRead(dialog.FileName))
using (var sr = new StreamReader(fs))
{
// Keep in mind that your replacement converter must be standalone.
// You cannot rely in any default converters.
// Default converters created when the service class is created.
ICsvReaderService <Person> reader = new CsvReaderService <Person>(sr);
// Replace a converter
reader.DefaultConverterFactory.ReplaceConverter(typeof(string), typeof(CsvConverterStringTextLengthEnforcer));
// Create all the column mappings.
reader.Init();
#region This converter has settings different that the defaults when it was constructed
// Well, you will have to find the columns with the converter that need changing
// We could just find string properties since it is the default, but that is problematic.
// What if a class property, which is a string, has a custom converter on it?
// So, let's just find the properties that are using our new default converter.
List <ColumnToPropertyMap> columnList = reader.FindColumnsByConverterType(typeof(CsvConverterStringTextLengthEnforcer));
foreach (ColumnToPropertyMap oneColumn in columnList)
{
if (oneColumn.ReadConverter is CsvConverterStringTextLengthEnforcer converter)
{
converter.MinimumLength = 5;
converter.MaximumLength = 6;
converter.CharacterToAddToShortStrings = '-';
}
}
#endregion
while (reader.CanRead())
{
var person = reader.GetRecord();
LogMessage(person.ToString());
}
}
}
catch (Exception ex)
{
LogError(ex);
}
}