public CsvWriter(TextWriter writer, CsvSyntaxInfo syntax)
{
if (writer == null)
{
throw new ArgumentNullException("writer");
}
if (syntax == null)
{
throw new ArgumentNullException("syntax");
}
_writer = writer;
_fieldDelimiter = syntax.FieldDelimiter.ToString();
_lineDelimiter = string.Concat(syntax.LineDelimiter1, syntax.LineDelimiter2);
_quote = syntax.Quote.ToString();
_escape = syntax.Escape.ToString();
_escapeAndQuote = string.Concat(_escape, _quote);
_escapeAndEscape = string.Concat(_escape, _escape);
_hasHeaders = syntax.HasHeaders;
}
public CsvWriter(TextWriter writer, CsvSyntaxInfo syntax)
{
if (writer == null)
{
throw new ArgumentNullException("writer");
}
if (syntax == null)
{
throw new ArgumentNullException("syntax");
}
_writer = writer;
_fieldDelimiter = syntax.FieldDelimiter.ToString();
_lineDelimiter = string.Concat(syntax.LineDelimiter1, syntax.LineDelimiter2);
_quote = syntax.Quote.ToString();
_escape = syntax.Escape.ToString();
_escapeAndQuote = string.Concat(_escape, _quote);
_escapeAndEscape = string.Concat(_escape, _escape);
_hasHeaders = syntax.HasHeaders;
}
public override EtlStepResult Invoke(EtlContext context, IEtlLogger logger)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
if (logger == null)
{
throw new ArgumentNullException("logger");
}
if (this.Source == null)
{
throw new InvalidOperationException(string.Format(Properties.Resources.PropertyCannotBeNull, "Source"));
}
if (string.IsNullOrEmpty(this.Source.FieldDelimiter))
{
throw new InvalidOperationException(string.Format(Properties.Resources.PropertyCannotBeNull, "Source.FieldDelimiter"));
}
if (string.IsNullOrEmpty(this.Source.FilePath))
{
throw new InvalidOperationException(string.Format(Properties.Resources.PropertyCannotBeNull, "Source.FilePath"));
}
if (this.Source.FieldDelimiter.Length != 1)
{
throw new InvalidOperationException(string.Format(Properties.Resources.PropertyTooLong, "Source.FieldDelimiter", 1));
}
if (this.Source.Quote != null && this.Source.Quote.Length != 1)
{
throw new InvalidOperationException(string.Format(Properties.Resources.PropertyTooLong, "Source.Quote", 1));
}
if (this.Source.Escape != null && this.Source.Escape.Length != 1)
{
throw new InvalidOperationException(string.Format(Properties.Resources.PropertyTooLong, "Source.Escape", 1));
}
var result = new EtlStepResult(EtlStatus.Succeeded, null);
var sourceRowCount = 0L;
var validRowCount = 0L;
var errorRowCount = 0L;
var csvSyntax = new CsvSyntaxInfo
{
HasHeaders = this.Source.HasHeaders,
FieldDelimiter = this.Source.FieldDelimiter[0],
Quote = this.Source.Quote != null ? this.Source.Quote[0] : DefaultQuote,
Escape = this.Source.Escape != null ? this.Source.Escape[0] : DefaultEscape,
LineDelimiter1 = this.Source.LineDelimiter != null ? this.Source.LineDelimiter[0] : DefaultLineDelimiter[0],
LineDelimiter2 = this.Source.LineDelimiter != null ? this.Source.LineDelimiter[1] : DefaultLineDelimiter[1],
};
using (var fileReader = new StreamReader(this.Source.FilePath, Encoding.GetEncoding(this.Source.CodePage)))
{
using (var csvReader = new CsvReader(fileReader, csvSyntax))
{
var validator = new CsvValidator(this, csvReader, context, logger);
result.Status = validator.Validate();
sourceRowCount = validator.ReadRowCount;
validRowCount = validator.ValidRowCount;
errorRowCount = validator.ErrorRowCount;
}
}
//logger.LogEtlMessage(new EtlMessage
//{
// EtlPackageId = context.EtlPackageId,
// EtlSessionId = context.EtlSessionId,
// EtlStepId = this.Id,
// LogDateTime = endDateTime,
// LogUtcDateTime = endDateTime.ToUniversalTime(),
// MessageType = EtlMessageType.Statistics,
// Text = "Found",
// Flags = sourceRowCount,
//});
//logger.LogEtlMessage(new EtlMessage
//{
// EtlPackageId = context.EtlPackageId,
// EtlSessionId = context.EtlSessionId,
// EtlStepId = this.Id,
// LogDateTime = endDateTime,
// LogUtcDateTime = endDateTime.ToUniversalTime(),
// MessageType = EtlMessageType.Statistics,
// Text = "Validated",
// Flags = validRowCount,
//});
//logger.LogEtlMessage(new EtlMessage
//{
// EtlPackageId = context.EtlPackageId,
// EtlSessionId = context.EtlSessionId,
// EtlStepId = this.Id,
// LogDateTime = endDateTime,
// LogUtcDateTime = endDateTime.ToUniversalTime(),
// MessageType = EtlMessageType.Statistics,
// Text = "Errors",
// Flags = errorRowCount,
//});
return result;
}
public override EtlStepResult Invoke(EtlContext context, IEtlLogger logger)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
if (logger == null)
{
throw new ArgumentNullException("logger");
}
if (this.Source == null)
{
throw new InvalidOperationException(string.Format(Properties.Resources.PropertyCannotBeNull, "Source"));
}
if (this.Destination == null)
{
throw new InvalidOperationException(string.Format(Properties.Resources.PropertyCannotBeNull, "Destination"));
}
if (string.IsNullOrEmpty(this.Source.ConnectionString))
{
throw new InvalidOperationException(string.Format(Properties.Resources.PropertyCannotBeNull, "Destination.ConnectionString"));
}
if (string.IsNullOrEmpty(this.Source.ProviderName))
{
throw new InvalidOperationException(string.Format(Properties.Resources.PropertyCannotBeNull, "Source.ProviderName"));
}
if (string.IsNullOrEmpty(this.Source.Text))
{
throw new InvalidOperationException(string.Format(Properties.Resources.PropertyCannotBeNull, "Source.Text"));
}
if (string.IsNullOrEmpty(this.Destination.FieldDelimiter))
{
throw new InvalidOperationException(string.Format(Properties.Resources.PropertyCannotBeNull, "Destination.FieldDelimiter"));
}
if (string.IsNullOrEmpty(this.Destination.FilePath))
{
throw new InvalidOperationException(string.Format(Properties.Resources.PropertyCannotBeNull, "Destination.FilePath"));
}
if (this.Destination.FieldDelimiter.Length != 1)
{
throw new InvalidOperationException(string.Format(Properties.Resources.PropertyTooLong, "Destination.FieldDelimiter", 1));
}
if (this.Destination.Quote != null && this.Destination.Quote.Length != 1)
{
throw new InvalidOperationException(string.Format(Properties.Resources.PropertyTooLong, "Destination.Quote", 1));
}
if (this.Destination.Escape != null && this.Destination.Escape.Length != 1)
{
throw new InvalidOperationException(string.Format(Properties.Resources.PropertyTooLong, "Destination.Escape", 1));
}
if (this.Destination != null)
{
var destinationFolderPath = Path.GetDirectoryName(this.Destination.FilePath);
if (!string.IsNullOrEmpty(destinationFolderPath))
{
if (!Directory.Exists(destinationFolderPath))
{
Directory.CreateDirectory(destinationFolderPath);
}
}
}
//if (this.Mappings.Count == 0)
//{
// throw new InvalidOperationException("Mappings not specified");
//}
var result = new EtlStepResult(EtlStatus.Succeeded, null);
var sourceRowCount = 0L;
var writtenRowCount = 0L;
var encoding = Encoding.GetEncoding(this.Destination.CodePage);
var csvSyntax = new CsvSyntaxInfo
{
HasHeaders = this.Destination.HasHeaders,
FieldDelimiter = this.Destination.FieldDelimiter[0],
Quote = this.Destination.Quote != null ? this.Destination.Quote[0] : DefaultQuote,
Escape = this.Destination.Escape != null ? this.Destination.Escape[0] : DefaultEscape,
LineDelimiter1 = this.Destination.LineDelimiter != null ? this.Destination.LineDelimiter[0] : DefaultLineDelimiter[0],
LineDelimiter2 = this.Destination.LineDelimiter != null ? this.Destination.LineDelimiter[1] : DefaultLineDelimiter[1],
};
using (var dbAccessor = new DBAccessor(this.Source.ConnectionString, this.Source.ProviderName))
{
using (var dbReader = dbAccessor.ExecuteQuery(this.Source.Text, EtlQueryParameter.ToDictionary(this.Source.Parameters), this.TimeoutMilliseconds))
{
using (var mapReader = new EtlMappedDataReader(dbReader, this.Mappings))
{
using (var fileWriter = new StreamWriter(this.Destination.FilePath, false, encoding))
{
var csvWriter = new CsvWriter(fileWriter, csvSyntax);
writtenRowCount = csvWriter.Write(mapReader);
sourceRowCount = writtenRowCount;
}
}
}
}
//logger.LogEtlMessage(new EtlMessage
//{
// EtlPackageId = context.EtlPackageId,
// EtlSessionId = context.EtlSessionId,
// EtlStepId = this.Id,
// LogDateTime = endDateTime,
// LogUtcDateTime = endDateTime.ToUniversalTime(),
// MessageType = EtlMessageType.Statistics,
// Text = "Found",
// Flags = sourceRowCount,
//});
//logger.LogEtlMessage(new EtlMessage
//{
// EtlPackageId = context.EtlPackageId,
// EtlSessionId = context.EtlSessionId,
// EtlStepId = this.Id,
// LogDateTime = endDateTime,
// LogUtcDateTime = endDateTime.ToUniversalTime(),
// MessageType = EtlMessageType.Statistics,
// Text = "Exported",
// Flags = writtenRowCount,
//});
return result;
}
public override EtlStepResult Invoke(EtlContext context, IEtlLogger logger)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
if (logger == null)
{
throw new ArgumentNullException("logger");
}
if (this.Source == null)
{
throw new InvalidOperationException(string.Format(Properties.Resources.PropertyCannotBeNull, "Source"));
}
if (this.Destination == null)
{
throw new InvalidOperationException(string.Format(Properties.Resources.PropertyCannotBeNull, "Destination"));
}
if (string.IsNullOrEmpty(this.Source.FieldDelimiter))
{
throw new InvalidOperationException(string.Format(Properties.Resources.PropertyCannotBeNull, "Source.FieldDelimiter"));
}
if (string.IsNullOrEmpty(this.Source.FilePath))
{
throw new InvalidOperationException(string.Format(Properties.Resources.PropertyCannotBeNull, "Source.FilePath"));
}
if (string.IsNullOrEmpty(this.Destination.ConnectionString))
{
throw new InvalidOperationException(string.Format(Properties.Resources.PropertyCannotBeNull, "Destination.ConnectionString"));
}
if (string.IsNullOrEmpty(this.Destination.ProviderName))
{
throw new InvalidOperationException(string.Format(Properties.Resources.PropertyCannotBeNull, "Destination.ProviderName"));
}
if (string.IsNullOrEmpty(this.Destination.TableName))
{
throw new InvalidOperationException(string.Format(Properties.Resources.PropertyCannotBeNull, "Destination.TableName"));
}
if (this.Source.FieldDelimiter.Length != 1)
{
throw new InvalidOperationException(string.Format(Properties.Resources.PropertyTooLong, "Source.FieldDelimiter", 1));
}
if (this.Source.Quote != null && this.Source.Quote.Length != 1)
{
throw new InvalidOperationException(string.Format(Properties.Resources.PropertyTooLong, "Source.Quote", 1));
}
if (this.Source.Escape != null && this.Source.Escape.Length != 1)
{
throw new InvalidOperationException(string.Format(Properties.Resources.PropertyTooLong, "Source.Escape", 1));
}
var result = new EtlStepResult(EtlStatus.Succeeded, null);
var sourceRowCount = 0L;
var insertedRowCount = 0L;
var errorRowCount = 0L;
var csvSyntax = new CsvSyntaxInfo
{
HasHeaders = this.Source.HasHeaders,
FieldDelimiter = this.Source.FieldDelimiter[0],
Quote = this.Source.Quote != null ? this.Source.Quote[0] : DefaultQuote,
Escape = this.Source.Escape != null ? this.Source.Escape[0] : DefaultEscape,
LineDelimiter1 = this.Source.LineDelimiter != null ? this.Source.LineDelimiter[0] : DefaultLineDelimiter[0],
LineDelimiter2 = this.Source.LineDelimiter != null ? this.Source.LineDelimiter[1] : DefaultLineDelimiter[1],
};
using (var fileReader = new StreamReader(this.Source.FilePath, Encoding.GetEncoding(this.Source.CodePage)))
{
using (var csvReader = new CsvReader(fileReader, csvSyntax))
{
var wrappedReader = new EtlMappedDataReader(csvReader, this.Mappings);
var dbWriter = new DBTableWriter(this.Destination.ConnectionString, this.Destination.ProviderName, this.Destination.TableName);
dbWriter.ErrorOccured += delegate(object sender, DBTableWriterErrorEventArgs e)
{
var errorDateTime = DateTime.Now;
result.Status = EtlStatus.FinishedWithLosses;
result.Message = e.Message;
//todo: fix error counter in CSV import. Now it counts errors, not error records
errorRowCount++;
logger.LogEtlMessage
(
new EtlMessage
{
EtlPackageId = context.EtlPackageId,
EtlSessionId = context.EtlSessionId,
EtlStepName = this.Name,
LogDateTime = errorDateTime,
LogUtcDateTime = errorDateTime.ToUniversalTime(),
MessageType = EtlMessageType.Error,
Text = e.Message,
Flags = e.RecordIndex,
StackTrace = e.Exception != null ? e.Exception.StackTrace : null,
}
);
if (this.DataLossBehavior == EtlImportDataLossBehavior.Skip)
{
result.Status = EtlStatus.FinishedWithLosses;
e.TrySkipError = true;
}
else
{
result.Status = EtlStatus.Failed;
}
};
insertedRowCount = dbWriter.Write(wrappedReader, this.TimeoutMilliseconds, this.BatchSize);
sourceRowCount = csvReader.CurrentRecordIndex + 1;
}
}
//logger.LogEtlMessage(new EtlMessage
//{
// EtlPackageId = context.EtlPackageId,
// EtlSessionId = context.EtlSessionId,
// EtlStepId = this.Id,
// LogDateTime = endDateTime,
// LogUtcDateTime = endDateTime.ToUniversalTime(),
// MessageType = EtlMessageType.Statistics,
// Text = "Errors",
// Flags = errorRowCount,
//});
//logger.LogEtlMessage(new EtlMessage
//{
// EtlPackageId = context.EtlPackageId,
// EtlSessionId = context.EtlSessionId,
// EtlStepId = this.Id,
// LogDateTime = endDateTime,
// LogUtcDateTime = endDateTime.ToUniversalTime(),
// MessageType = EtlMessageType.Statistics,
// Text = "Inserted",
// Flags = insertedRowCount,
//});
return result;
}
