public static void Process(ProcessingValues processingValues)
{
foreach (string path in processingValues.MdbFilePaths.DefaultCollectionIfEmpty())
{
MdbToTextProcessor.ProcessMdb(processingValues, path);
}
}
private static void WriteXmlForDataTable(ProcessingValues processingValues, DataTable newDataTable)
{
string outputXmlPath = Path.Combine(processingValues.OutputPath, string.Format(ProcessingStrings.DataTableXmlFileNameFormat, newDataTable.TableName));
File.Delete(outputXmlPath);
newDataTable.WriteXml(outputXmlPath);
}
private static void WriteXmlForDataSet(ProcessingValues processingValues, DataSet allTables, string mdbName)
{
string outputXmlPath = Path.Combine(processingValues.OutputPath, string.Format(ProcessingStrings.DataSetXmlFileNameFormat, mdbName));
File.Delete(outputXmlPath);
allTables.WriteXml(outputXmlPath);
}
public static void Process(ProcessingValues processingValues)
{
foreach (string path in processingValues.MdbFilePaths.DefaultCollectionIfEmpty())
{
MdbToTextProcessor.ProcessMdb(processingValues, path);
}
}
private static void WriteFileForDataTable(ProcessingValues processingValues, DataTable newDataTable)
{
if (processingValues.OutputFormat.Has(OutputFormat.Xml))
{
MdbToTextProcessor.WriteXmlForDataTable(processingValues, newDataTable);
}
if (processingValues.OutputFormat.Has(OutputFormat.Text))
{
MdbToTextProcessor.WriteTextForDataTable(processingValues, newDataTable);
}
}
private static void WriteFileForDataTable(ProcessingValues processingValues, DataTable newDataTable)
{
if (processingValues.OutputFormat.Has(OutputFormat.Xml))
{
MdbToTextProcessor.WriteXmlForDataTable(processingValues, newDataTable);
}
if (processingValues.OutputFormat.Has(OutputFormat.Text))
{
MdbToTextProcessor.WriteTextForDataTable(processingValues, newDataTable);
}
}
private static void WriteOneBigFile(ProcessingValues processingValues, string path, DataSet allTables)
{
string mdbName = Path.GetFileNameWithoutExtension(path);
if (processingValues.OutputFormat.Has(OutputFormat.Xml))
{
MdbToTextProcessor.WriteXmlForDataSet(processingValues, allTables, mdbName);
}
if (processingValues.OutputFormat.Has(OutputFormat.Text))
{
MdbToTextProcessor.WriteTextForDataSet(processingValues, allTables, mdbName);
}
}
private static void WriteOneBigFile(ProcessingValues processingValues, string path, DataSet allTables)
{
string mdbName = Path.GetFileNameWithoutExtension(path);
if (processingValues.OutputFormat.Has(OutputFormat.Xml))
{
MdbToTextProcessor.WriteXmlForDataSet(processingValues, allTables, mdbName);
}
if (processingValues.OutputFormat.Has(OutputFormat.Text))
{
MdbToTextProcessor.WriteTextForDataSet(processingValues, allTables, mdbName);
}
}
private static void WriteTextForDataSet(ProcessingValues processingValues, DataSet allTables, string mdbName)
{
string outputTxtPath = Path.Combine(processingValues.OutputPath, string.Format(ProcessingStrings.DataSetTextFileNameFormat, mdbName));
File.Delete(outputTxtPath);
StringBuilder mdbContents = new StringBuilder();
StringBuilder tableContents = new StringBuilder();
StringBuilder rowContents = new StringBuilder();
for (int tableIndex = 0; tableIndex < allTables.Tables.Count; tableIndex++)
{
DataTable table = allTables.Tables[tableIndex];
for (int rowIndex = 0; rowIndex < table.Rows.Count; rowIndex++)
{
DataRow row = table.Rows[rowIndex];
for (int itemIndex = 0; itemIndex < row.ItemArray.Length; itemIndex++)
{
rowContents.Append(row.ItemArray[itemIndex].ToString());
rowContents.Append(ProcessingStrings.CommaSeparator);
}
tableContents.Append(rowContents.ToString());
tableContents.Append(Environment.NewLine);
rowContents.Length = 0;
}
string tableNameHeader = string.Format(ProcessingStrings.TableNameLabelFormat, table.TableName);
string separator = string.Empty.PadLeft(table.TableName.Length + tableNameHeader.Length, '-');
mdbContents.Append(separator);
mdbContents.Append(Environment.NewLine);
mdbContents.Append(tableNameHeader);
mdbContents.Append(Environment.NewLine);
mdbContents.Append(separator);
mdbContents.Append(Environment.NewLine);
mdbContents.Append(tableContents.ToString());
mdbContents.Append(Environment.NewLine);
mdbContents.Append(Environment.NewLine);
tableContents.Length = 0;
}
File.AppendAllText(outputTxtPath, mdbContents.ToString());
}
private static void WriteTextForDataTable(ProcessingValues processingValues, DataTable newDataTable)
{
string outputTxtPath = Path.Combine(processingValues.OutputPath, string.Format(ProcessingStrings.DataTableTextFileNameFormat, newDataTable.TableName));
File.Delete(outputTxtPath);
StringBuilder tableContents = new StringBuilder();
StringBuilder rowContents = new StringBuilder();
for (int rowIndex = 0; rowIndex < newDataTable.Rows.Count; rowIndex++)
{
for (int itemIndex = 0; itemIndex < newDataTable.Rows[rowIndex].ItemArray.Length; itemIndex++)
{
rowContents.Append(newDataTable.Rows[rowIndex].ItemArray[itemIndex].ToString());
rowContents.Append(ProcessingStrings.CommaSeparator);
}
tableContents.Append(rowContents.ToString());
tableContents.Append(Environment.NewLine);
rowContents.Length = 0;
}
File.AppendAllText(outputTxtPath, tableContents.ToString());
}
private static void ProcessMdb(ProcessingValues processingValues, string path)
{
using (OleDbConnection connection = new OleDbConnection(string.Format(ProcessingStrings.OledbConnectionStringFormat, path)))
{
connection.Open();
DataSet allTables = new DataSet();
DataTable schema = connection.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, new object[] { null, null, null, ProcessingStrings.TableSchemaIdentifier });
foreach (DataRow row in schema.Rows)
{
DataTable newDataTable = new DataTable(row[ProcessingStrings.TableNameSchemaValue].ToString());
OleDbDataAdapter adapter = new OleDbDataAdapter(string.Format(ProcessingStrings.SqlSelectTableValuesFormat, newDataTable.TableName), connection);
adapter.Fill(newDataTable);
/* If processing individual files, don't both filling the DataSet with table info. Just process and
* move to the next. No need to take up memory holding on to it. */
if (processingValues.OutputType == OutputType.IndividualFiles)
{
MdbToTextProcessor.WriteFileForDataTable(processingValues, newDataTable);
}
else
{
/* REFACTOR: Rather than storing the DataSet in memory and outputting all at the end, I should just append
* to an existing file as I loop over the rows. */
allTables.Tables.Add(newDataTable);
}
}
if (processingValues.OutputType == OutputType.OneBigFile)
{
MdbToTextProcessor.WriteOneBigFile(processingValues, path, allTables);
}
}
}
private static void ProcessMdb(ProcessingValues processingValues, string path)
{
using (OleDbConnection connection = new OleDbConnection(string.Format(ProcessingStrings.OledbConnectionStringFormat, path)))
{
connection.Open();
DataSet allTables = new DataSet();
DataTable schema = connection.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, new object[] { null, null, null, ProcessingStrings.TableSchemaIdentifier });
foreach (DataRow row in schema.Rows)
{
DataTable newDataTable = new DataTable(row[ProcessingStrings.TableNameSchemaValue].ToString());
OleDbDataAdapter adapter = new OleDbDataAdapter(string.Format(ProcessingStrings.SqlSelectTableValuesFormat, newDataTable.TableName), connection);
adapter.Fill(newDataTable);
/* If processing individual files, don't both filling the DataSet with table info. Just process and
* move to the next. No need to take up memory holding on to it. */
if (processingValues.OutputType == OutputType.IndividualFiles)
{
MdbToTextProcessor.WriteFileForDataTable(processingValues, newDataTable);
}
else
{
/* REFACTOR: Rather than storing the DataSet in memory and outputting all at the end, I should just append
* to an existing file as I loop over the rows. */
allTables.Tables.Add(newDataTable);
}
}
if (processingValues.OutputType == OutputType.OneBigFile)
{
MdbToTextProcessor.WriteOneBigFile(processingValues, path, allTables);
}
}
}
private static void WriteTextForDataSet(ProcessingValues processingValues, DataSet allTables, string mdbName)
{
string outputTxtPath = Path.Combine(processingValues.OutputPath, string.Format(ProcessingStrings.DataSetTextFileNameFormat, mdbName));
File.Delete(outputTxtPath);
StringBuilder mdbContents = new StringBuilder();
StringBuilder tableContents = new StringBuilder();
StringBuilder rowContents = new StringBuilder();
for (int tableIndex = 0; tableIndex < allTables.Tables.Count; tableIndex++)
{
DataTable table = allTables.Tables[tableIndex];
for (int rowIndex = 0; rowIndex < table.Rows.Count; rowIndex++)
{
DataRow row = table.Rows[rowIndex];
for (int itemIndex = 0; itemIndex < row.ItemArray.Length; itemIndex++)
{
rowContents.Append(row.ItemArray[itemIndex].ToString());
rowContents.Append(ProcessingStrings.CommaSeparator);
}
tableContents.Append(rowContents.ToString());
tableContents.Append(Environment.NewLine);
rowContents.Length = 0;
}
string tableNameHeader = string.Format(ProcessingStrings.TableNameLabelFormat, table.TableName);
string separator = string.Empty.PadLeft(table.TableName.Length + tableNameHeader.Length, '-');
mdbContents.Append(separator);
mdbContents.Append(Environment.NewLine);
mdbContents.Append(tableNameHeader);
mdbContents.Append(Environment.NewLine);
mdbContents.Append(separator);
mdbContents.Append(Environment.NewLine);
mdbContents.Append(tableContents.ToString());
mdbContents.Append(Environment.NewLine);
mdbContents.Append(Environment.NewLine);
tableContents.Length = 0;
}
File.AppendAllText(outputTxtPath, mdbContents.ToString());
}
private static void WriteXmlForDataTable(ProcessingValues processingValues, DataTable newDataTable)
{
string outputXmlPath = Path.Combine(processingValues.OutputPath, string.Format(ProcessingStrings.DataTableXmlFileNameFormat, newDataTable.TableName));
File.Delete(outputXmlPath);
newDataTable.WriteXml(outputXmlPath);
}
private static void WriteXmlForDataSet(ProcessingValues processingValues, DataSet allTables, string mdbName)
{
string outputXmlPath = Path.Combine(processingValues.OutputPath, string.Format(ProcessingStrings.DataSetXmlFileNameFormat, mdbName));
File.Delete(outputXmlPath);
allTables.WriteXml(outputXmlPath);
}
private static void WriteTextForDataTable(ProcessingValues processingValues, DataTable newDataTable)
{
string outputTxtPath = Path.Combine(processingValues.OutputPath, string.Format(ProcessingStrings.DataTableTextFileNameFormat, newDataTable.TableName));
File.Delete(outputTxtPath);
StringBuilder tableContents = new StringBuilder();
StringBuilder rowContents = new StringBuilder();
for (int rowIndex = 0; rowIndex < newDataTable.Rows.Count; rowIndex++)
{
for (int itemIndex = 0; itemIndex < newDataTable.Rows[rowIndex].ItemArray.Length; itemIndex++)
{
rowContents.Append(newDataTable.Rows[rowIndex].ItemArray[itemIndex].ToString());
rowContents.Append(ProcessingStrings.CommaSeparator);
}
tableContents.Append(rowContents.ToString());
tableContents.Append(Environment.NewLine);
rowContents.Length = 0;
}
File.AppendAllText(outputTxtPath, tableContents.ToString());
}