private StreamWriter GetStreamWriter(object schemaId)
{
if (_writers.ContainsKey(schemaId))
{
return(_writers[schemaId]);
}
var fileData = new SecureFileData(SharedTempFile.NewFile());
_result.TemporaryFiles.Add(schemaId, fileData);
var streamWriter = fileData.GetStreamWriter();
_writers.Add(schemaId, streamWriter);
return(streamWriter);
}
public void StartGenerate()
{
fileData = new SecureFileData(SharedTempFile.NewFile());
fileData.OriginalFileName = _fileToGenerate.FileName;
var streamWriter = fileData.GetStreamWriter();
try
{
errorType = string.Empty;
_headerLines = (_fileToGenerate.HeaderLines.HasValue && _fileToGenerate.HeaderLines.Value > 0 ? _fileToGenerate.HeaderLines.Value : 0);
_footerLines = (_fileToGenerate.FooterLines.HasValue && _fileToGenerate.FooterLines.Value > 0 ? _fileToGenerate.FooterLines.Value : 0);
if (_fileToGenerate.IsFixedWidth)
{
_generator = new FixedWidthTextFileGenerator(streamWriter);
int sourceColNum = 1;
if (_fileToGenerate.IsMultiSchema)
{
foreach (FileType fileType in _fileToGenerate.FileTypes)
{
sourceColNum = 1;
foreach (RowDefinition rowDefinition in fileType.RowDefinitions)
{
if (rowDefinition.ParseStartPosition.HasValue && rowDefinition.ParseStartPosition.Value > 0 &&
rowDefinition.ParseLength.HasValue && rowDefinition.ParseLength.Value > 0)
{
rowDefinition.SourceColumnNumber = sourceColNum;
sourceColNum++;
}
else
{
rowDefinition.SourceColumnNumber = null;
}
}
}
}
else
{
foreach (RowDefinition rowDefinition in _fileToGenerate.FileTypes[0].RowDefinitions)
{
if (rowDefinition.ParseStartPosition.HasValue && rowDefinition.ParseStartPosition.Value > 0 &&
rowDefinition.ParseLength.HasValue && rowDefinition.ParseLength.Value > 0)
{
rowDefinition.SourceColumnNumber = sourceColNum;
sourceColNum++;
}
else
{
rowDefinition.SourceColumnNumber = null;
}
}
}
}
else
{
_generator = new DelimitedTextFileGenerator(streamWriter);
((DelimitedTextFileGenerator)_generator).Delimiter = _fileToGenerate.Delimiter;
((DelimitedTextFileGenerator)_generator).TextQualifier = _fileToGenerate.TextQualifier;
}
string checkRowsErrors = string.Empty;
if (_fileToGenerate.IsMultiSchema)
{
foreach (FileType checkFileType in _fileToGenerate.FileTypes)
{
foreach (RowDefinition checkRowDef in checkFileType.RowDefinitions)
{
if (checkRowDef.IsRequired &&
(!checkRowDef.SourceColumnNumber.HasValue || checkRowDef.SourceColumnNumber.Value <= 0))
{
checkRowsErrors += checkRowDef.FieldDisplayName + " is a required field but has no definition in the profile." +
Environment.NewLine;
}
}
}
}
else
{
foreach (RowDefinition checkRowDef in _fileToGenerate.FileTypes[0].RowDefinitions)
{
if (checkRowDef.IsRequired &&
(!checkRowDef.SourceColumnNumber.HasValue || checkRowDef.SourceColumnNumber.Value <= 0))
{
checkRowsErrors += checkRowDef.FieldDisplayName + " is a required field but has no definition in the profile." +
Environment.NewLine;
}
}
}
checkRowsErrors = checkRowsErrors.Trim();
if (!string.IsNullOrWhiteSpace(checkRowsErrors))
{
throw new Exception(checkRowsErrors);
}
if (_fileToGenerate.IsMultiSchema)
{
RowDefinition schemaDet = _fileToGenerate.SchemaDetector;
schemaDet.IsRequired = false;
schemaDet.SourceColumnNumber = -1;
foreach (FileType checkFileType in _fileToGenerate.FileTypes)
{
List <RowDefinition> rowDefinitions = checkFileType.RowDefinitions.ToList();
rowDefinitions.Add(schemaDet);
rowDefinitions = rowDefinitions.OrderBy(x => x.SourceColumnNumber).ToList();
checkFileType.RowDefinitions = rowDefinitions;
foreach (RowDefinition checkRowDef in checkFileType.RowDefinitions)
{
if (checkRowDef.IsRequired &&
(!checkRowDef.SourceColumnNumber.HasValue || checkRowDef.SourceColumnNumber.Value <= 0))
{
checkRowsErrors += checkRowDef.FieldDisplayName + " is a required field but has no definition in the profile." +
Environment.NewLine;
throw new Exception(checkRowsErrors);
}
}
}
}
//skip header lines if defined
if (_headerLines > 0)
{
short skipHeaderLines = 0;
while (skipHeaderLines < _headerLines)
{
_generator.WriteLine();
skipHeaderLines++;
_currentLineNumber++;
}
}
}
catch (Exception e)
{
if (!string.IsNullOrEmpty(errorType))
{
throw new Exception(errorType + ": " + e.Message);
}
throw;
}
}
