// Create an input source of given type and location
// The locator argument is a path or connection string. The actual filename or table name comes later.
public static DataSourceStream Create(string source, string locator)
{
switch (source)
{
case "con":
return(DataSourceCon.Create(locator));
case "txt":
return(DataSourceFile.Create(locator));
case "csv":
return(DataSourceCsv.Create(locator));
case "sql":
return(DataSourceSql.Create(locator));
case "oledb":
return(DataSourceOleDb.Create(locator));
case "odbc":
return(DataSourceOdbc.Create(locator));
default:
Logger.Assert(false, source);
break;
}
return(null);
}
// Factory method
public static DataSourceOleDb Create(string locator)
{
var ds = new DataSourceOleDb {
_locator = locator,
};
try {
ds._connection = new OleDbConnection(locator);
} catch (Exception ex) {
throw ProgramError.Fatal("Source OleDb", ex.Message);
}
ds._convdict = new Dictionary <string, ConversionTypes> {
{ "DBTYPE_BOOL", ConversionTypes.Bool },
{ "DBTYPE_I4", ConversionTypes.Int },
{ "DBTYPE_DATE", ConversionTypes.DateTime },
{ "DBTYPE_WVARCHAR", ConversionTypes.String },
{ "DBTYPE_WVARLONGCHAR", ConversionTypes.String },
};
ds._schemadict = new Dictionary <string, ConversionTypes> {
{ "_TABLE", ConversionTypes.Bool },
};
return(ds);
}