public static void WriteQueueToXml(IDataQueue queue, Stream fw, string dbName, string tableName)
{
DataTable table = ConnTools.DataTableFromStructure(queue.GetRowFormat);
table.TableName = tableName;
List <string> fldnames = new List <string>();
foreach (IColumnStructure col in queue.GetRowFormat.Columns)
{
fldnames.Add(col.ColumnName);
}
XmlWriter xw = XmlTextWriter.Create(fw, new XmlWriterSettings {
Encoding = Encoding.UTF8, CheckCharacters = false
});
//XmlTextWriter xw = new XmlTextWriter(fw, Encoding.UTF8);
//xw.Settings = new XmlWriterSettings { CheckCharacters = false };
xw.WriteStartDocument();
xw.WriteStartElement(dbName);
// mono has bug in writing schema
if (!Core.IsMono)
{
table.WriteXmlSchema(xw);
}
List <string> ids = new List <string>();
foreach (IColumnStructure col in queue.GetRowFormat.Columns)
{
ids.Add(XmlTool.NormalizeIdentifier(col.ColumnName));
}
try
{
while (!queue.IsEof)
{
IBedRecord row = queue.GetRecord();
xw.WriteStartElement(tableName);
for (int i = 0; i < row.FieldCount; i++)
{
row.ReadValue(i);
var type = row.GetFieldType();
if (type == TypeStorage.Null)
{
continue;
}
xw.WriteElementString(ids[i], XmlTool.ObjectToString(row.GetValue(i)));
}
xw.WriteEndElement();
}
}
finally
{
queue.CloseReading();
}
xw.WriteEndElement();
xw.WriteEndDocument();
xw.Flush();
}