private bool Validate()
{
if (string.IsNullOrWhiteSpace(txtFilename.Text)) {
ErrorMessage.Show("You must specify an input file!");
return false;
}
if (!File.Exists(txtFilename.Text)) {
ErrorMessage.Show("File does not exist!");
return false;
}
// Extract Column Headers...
ColumnNames = new List<String>();
GenericParser parser = null;
try {
using (parser = new GenericParserAdapter(Filename)) {
parser.ColumnDelimiter = Delimiter.ToCharArray()[0];
parser.FirstRowHasHeader = IsFirstRowContainNames;
parser.MaxRows = 2;
parser.TextQualifier = _textQualifier;
if (parser.Read()) {
for (int i = 0; i < parser.ColumnCount; ++i) {
if (IsFirstRowContainNames) {
ColumnNames.Add(parser.GetColumnName(i));
} else {
ColumnNames.Add("Column" + i);
}
}
} else {
ErrorMessage.Show("Failed to extract column names from data source!");
return false;
}
}
} finally {
if (parser != null) {
System.GC.SuppressFinalize(parser);
}
}
return true;
}
private void DoImport()
{
if (String.IsNullOrEmpty(txtFilename.Text)) {
ErrorMessage.Show("You must select a file before proceeding!");
return;
}
int rowCount = 0;
var service = new SupportService(User);
using (var parser = new GenericParserAdapter(txtFilename.Text)) {
parser.ColumnDelimiter = ',';
parser.FirstRowHasHeader = chkFirstRowHeaders.IsChecked.GetValueOrDefault(false);
parser.TextQualifier = '\"';
parser.FirstRowSetsExpectedColumnCount = true;
var columnNames = new List<String>();
var values = new List<string>();
while (parser.Read()) {
if (rowCount == 0) {
for (int i = 0; i < parser.ColumnCount; ++i) {
if (parser.FirstRowHasHeader) {
columnNames.Add(parser.GetColumnName(i));
} else {
columnNames.Add("Column" + i);
}
}
}
values.Clear();
for (int i = 0; i < parser.ColumnCount; ++i) {
values.Add(parser[i]);
}
String strFullPath = null;
if (values.Count == 0) {
strFullPath = values[0];
} else {
strFullPath = values.Join("\\");
}
if (!String.IsNullOrWhiteSpace(strFullPath)) {
service.GetDistributionIdFromPath(strFullPath);
lblProgress.InvokeIfRequired(() => {
lblProgress.Content = strFullPath;
lblProgress.UpdateLayout();
});
rowCount++;
}
}
}
lblProgress.InvokeIfRequired(() => {
lblProgress.Content = String.Format("{0} rows processed.", rowCount);
});
btnCancel.Content = "_Close";
}
public override ImportRowSource CreateRowSource(IProgressObserver progress)
{
if (_options == null) {
throw new Exception("Null or incorrect options type received!");
}
ImportRowSource rowsource = null;
using (var parser = new GenericParserAdapter(_options.Filename)) {
parser.ColumnDelimiter = _options.Delimiter[0];
parser.FirstRowHasHeader = _options.FirstRowContainsNames;
parser.TextQualifier = '\"';
parser.FirstRowSetsExpectedColumnCount = true;
var service = new ImportStagingService();
var columnNames = new List<String>();
int rowCount = 0;
service.BeginTransaction();
var values = new List<string>();
while (parser.Read()) {
if (rowCount == 0) {
for (int i = 0; i < parser.ColumnCount; ++i) {
if (_options.FirstRowContainsNames) {
columnNames.Add(parser.GetColumnName(i));
} else {
columnNames.Add("Column" + i);
}
}
service.CreateImportTable(columnNames);
}
values.Clear();
for (int i = 0; i < parser.ColumnCount; ++i) {
values.Add(parser[i]);
}
service.InsertImportRow(values);
rowCount++;
}
service.CommitTransaction();
rowsource = new ImportRowSource(service, rowCount);
}
return rowsource;
}