/// <summary>
/// Set the user-defined options (or replace the default settings with the user-defined values)
/// </summary>
/// <param name="options"></param>
public virtual void SetOptions(ConverterOptionList options)
{
if (options == null || options.Count == 0)
{
return;
}
#region Cast the value element into its underlying type
var pis = new List <PropertyInfo>(this.Options.GetType().GetProperties());
foreach (ConverterOption item in options)
{
var mypis = pis.FindAll(pi => pi.Name == item.Key);
if (mypis.Count != 1)
{
throw new ArgumentException(string.Format("Expected one property to match key of '{0}'; but, found {2}", item.Key, item.Value, mypis.Count));
}
Type t = mypis[0].PropertyType.UnderlyingSystemType;
if (item.Value.GetType() != t)
{
item.Value = Convert.ChangeType(item.Value, t);
}
}
#endregion
DynamicCode.SetProperty(this.Options, options.ToHashTable());
}
public static void Export(DataSet ds, string filename, ConverterOptionList options)
{
try
{
IFileConverter converter = GetConverter(filename, options);
converter.Export(ds, filename);
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
DebuggerTool.AddData(ex, "filename", filename);
DebuggerTool.AddData(ex, "options", options);
throw;
}
}
public static DataSet Import(string filename, ConverterOptionList options)
{
try
{
IFileConverter converter = GetConverter(filename, options);
return(converter.Import(filename));
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
DebuggerTool.AddData(ex, "filename", filename);
DebuggerTool.AddData(ex, "options", options);
throw;
}
}
/// <summary>
/// Get the converter engine for filename
/// </summary>
/// <param name="filename"></param>
/// <param name="options"></param>
/// <returns></returns>
private static IFileConverter GetConverter(string filename, ConverterOptionList options)
{
try
{
// return the extension name (w/o the dot)
string ext = Path.GetExtension(filename).Substring(1);
if (string.IsNullOrEmpty(ext))
{
throw new ArgumentException("File does not have an extension: " + filename);
}
var type = converters.GetType(ext);
if (type == null)
{
throw new ArgumentException("Extension not supported: " + ext);
}
var importOptionsType = converters.GetImportOptionsType(ext);
var converterBase = Activator.CreateInstance(type);
if (converterBase == null)
{
throw new ApplicationException("Cannot create a new instance of this type: " + type.FullName);
}
var converter = (IFileConverter)converterBase;
if (converter == null)
{
throw new ApplicationException("This converter does not implement IFileConverter: " + type.FullName);
}
converter.SetOptions(options);
return(converter);
}
catch (Exception ex)
{
Debug.WriteLine(ex);
throw;
}
}
