/// <summary>
/// Connects to SharePoint and gets any columns on the target
/// </summary>
/// <param name="input"></param>
/// <param name="sharepointUrl"></param>
/// <param name="listName"></param>
private void CreateExternalMetaDataColumns(
IDTSInput input, string sharepointUrl, string listName, string viewName,
Dictionary<string, string> existingColumnData)
{
// No need to load if the Url is bad.
if ((sharepointUrl == null) || (sharepointUrl.Length == 0))
return;
// Need a list to continue
if ((listName == null) || (listName.Length == 0))
return;
input.ExternalMetadataColumnCollection.IsUsed = true;
// If the list has changed, then we do not want any of the exisiting column data to
// influence it (provides a way to actually reset the names if needed)
if (input.Description != listName)
{
existingColumnData.Clear();
input.Description = listName;
}
try
{
List<SharePointUtility.DataObject.ColumnData> accessibleColumns =
GetAccessibleSharePointColumns(sharepointUrl, listName, viewName);
foreach (var column in accessibleColumns)
{
// Setup the primary column details from the List
var dtsColumnMeta = input.ExternalMetadataColumnCollection.New();
if (existingColumnData.ContainsKey(column.Name))
dtsColumnMeta.Name = existingColumnData[column.Name];
else
dtsColumnMeta.Name = column.FriendlyName;
dtsColumnMeta.Description = column.DisplayName;
dtsColumnMeta.Length = 0;
dtsColumnMeta.Precision = 0;
dtsColumnMeta.Scale = 0;
if ("Boolean|AllDayEvent|Attachments|CrossProjectLink|Recurrence".Contains(column.SharePointType))
{
dtsColumnMeta.DataType = DataType.DT_BOOL;
}
else if (column.SharePointType == "DateTime")
{
dtsColumnMeta.DataType = DataType.DT_DBTIMESTAMP;
}
else if ("Number|Currency".Contains(column.SharePointType))
{
// Max = 100,000,000,000.00000
dtsColumnMeta.DataType = DataType.DT_R8;
}
else if ("Counter|Integer".Contains(column.SharePointType))
{
dtsColumnMeta.DataType = DataType.DT_I4;
}
else if ("Guid".Contains(column.SharePointType))
{
dtsColumnMeta.DataType = DataType.DT_GUID;
}
else
{
if (column.MaxLength == -1)
{
dtsColumnMeta.DataType = DataType.DT_NTEXT;
dtsColumnMeta.Length = 0;
}
else
{
dtsColumnMeta.DataType = DataType.DT_WSTR;
dtsColumnMeta.Length = column.MaxLength;
}
}
var fieldNameMeta = dtsColumnMeta.CustomPropertyCollection.New();
fieldNameMeta.Name = "Id";
fieldNameMeta.Description = "SharePoint ID";
fieldNameMeta.Value = column.Name;
// Map any columns found with the same name in the input
var foundCol =
(from col in input.InputColumnCollection.Cast<IDTSInputColumn>()
where col.Name == dtsColumnMeta.Name
select col).SingleOrDefault();
if (foundCol != null)
{
foundCol.ExternalMetadataColumnID = dtsColumnMeta.ID;
}
}
}
catch (SharePointUnhandledException)
{
// Exception happened, so clear the columns, which will invalidate this object.
input.ExternalMetadataColumnCollection.RemoveAll();
throw;
}
}
/// <summary>
/// Connects to SharePoint and gets any columns on the target
/// </summary>
/// <param name="input"></param>
/// <param name="sharepointUrl"></param>
/// <param name="listName"></param>
private void CreateExternalMetaDataColumns(
IDTSInput input, string sharepointUrl, string listName, string viewName,
Dictionary <string, string> existingColumnData)
{
// No need to load if the Url is bad.
if ((sharepointUrl == null) || (sharepointUrl.Length == 0))
{
return;
}
// Need a list to continue
if ((listName == null) || (listName.Length == 0))
{
return;
}
input.ExternalMetadataColumnCollection.IsUsed = true;
// If the list has changed, then we do not want any of the exisiting column data to
// influence it (provides a way to actually reset the names if needed)
if (input.Description != listName)
{
existingColumnData.Clear();
input.Description = listName;
}
try
{
List <SharePointUtility.DataObject.ColumnData> accessibleColumns =
GetAccessibleSharePointColumns(sharepointUrl, listName, viewName);
foreach (var column in accessibleColumns)
{
// Setup the primary column details from the List
var dtsColumnMeta = input.ExternalMetadataColumnCollection.New();
if (existingColumnData.ContainsKey(column.Name))
{
dtsColumnMeta.Name = existingColumnData[column.Name];
}
else
{
dtsColumnMeta.Name = column.FriendlyName;
}
dtsColumnMeta.Description = column.DisplayName;
dtsColumnMeta.Length = 0;
dtsColumnMeta.Precision = 0;
dtsColumnMeta.Scale = 0;
if ("Boolean|AllDayEvent|Attachments|CrossProjectLink|Recurrence".Contains(column.SharePointType))
{
dtsColumnMeta.DataType = DataType.DT_BOOL;
}
else if (column.SharePointType == "DateTime")
{
dtsColumnMeta.DataType = DataType.DT_DBTIMESTAMP;
}
else if ("Number|Currency".Contains(column.SharePointType))
{
// Max = 100,000,000,000.00000
dtsColumnMeta.DataType = DataType.DT_R8;
}
else if ("Counter|Integer".Contains(column.SharePointType))
{
dtsColumnMeta.DataType = DataType.DT_I4;
}
else if ("Guid".Contains(column.SharePointType))
{
dtsColumnMeta.DataType = DataType.DT_GUID;
}
else
{
if (column.MaxLength == -1)
{
dtsColumnMeta.DataType = DataType.DT_NTEXT;
dtsColumnMeta.Length = 0;
}
else
{
dtsColumnMeta.DataType = DataType.DT_WSTR;
dtsColumnMeta.Length = column.MaxLength;
}
}
var fieldNameMeta = dtsColumnMeta.CustomPropertyCollection.New();
fieldNameMeta.Name = "Id";
fieldNameMeta.Description = "SharePoint ID";
fieldNameMeta.Value = column.Name;
// Map any columns found with the same name in the input
var foundCol =
(from col in input.InputColumnCollection.Cast <IDTSInputColumn>()
where col.Name == dtsColumnMeta.Name
select col).SingleOrDefault();
if (foundCol != null)
{
foundCol.ExternalMetadataColumnID = dtsColumnMeta.ID;
}
}
}
catch (SharePointUnhandledException)
{
// Exception happened, so clear the columns, which will invalidate this object.
input.ExternalMetadataColumnCollection.RemoveAll();
throw;
}
}
