public static DataStoreConfig Load(string filename)
{
if (!File.Exists(filename))
{
Error?.Invoke($"File {filename} does not exist!");
return(null);
}
try
{
XDocument doc = XDocument.Load(filename, LoadOptions.None);
DataStoreConfig dsConfig = DataStoreConfig.Deserialize(doc);
if (dsConfig != null)
{
Info?.Invoke($"File '{filename}' loaded!");
return(dsConfig);
}
Error?.Invoke($"Load error @ '{filename}'!");
return(null);
} catch (Exception ex)
{
Error?.Invoke($"Load exceptions @ '{filename}'!");
Error?.Invoke(ex.Message);
Error?.Invoke(ex.StackTrace);
return(null);
}
}
public static DataStoreConfig Deserialize(XDocument doc)
{
#region --- Calling Contract... ---
if (doc == null)
{
Error?.Invoke("Document is null!");
return(null);
}
//
XElement dsCfgElem = doc.Element(DsCfgElemNm);
if (dsCfgElem == null)
{
Error?.Invoke($"Document does not contains a <{DsCfgElemNm}> element!");
return(null);
}
#endregion
//
DataStoreConfig cfg = new DataStoreConfig();
// Default StagePathDir
cfg.DefaultStgDirVal = (dsCfgElem.Element(StgDirElemNm)?.Value);
if (string.IsNullOrWhiteSpace(cfg.DefaultStgDirVal))
{
Error?.Invoke($"Document does not contains a <{StgDirElemNm}> element!");
}
// List of DataStores...
XElement dsCollElem = dsCfgElem.Element(DsCollElemNm);
if (dsCollElem == null)
{
Error?.Invoke($"There is no DataStore configuration: <{DsCollElemNm}> element!");
return(cfg);
}
//
IEnumerable <XElement> dsElemList = dsCollElem.Elements(DsElemNm);
foreach (XElement dsElem in dsElemList)
{
DataStore ds = new DataStore();
ds.Name = (dsElem.Attribute(NmAttrNm)?.Value);
ds.Active = GetBooleanAttribute((dsElem.Attribute(ActvAttrNm)?.Value), false);
ds.LoadDefaultDatabaseOnly = GetBooleanAttribute((dsElem.Attribute(LddoAttrNm)?.Value), false);
ds.LoadSystemObjects = GetBooleanAttribute((dsElem.Attribute(LsoAttrNm)?.Value), false);
ds.LoadWithFields = GetBooleanAttribute((dsElem.Attribute(WfAttrNm)?.Value), false);
ds.StagePathDir = (dsElem.Element(StgDirElemNm)?.Value);
if (ds.StagePathDir == null)
{
ds.StagePathDir = cfg.DefaultStgDirVal;
}
//
XElement csElem = dsElem.Element(CsElemNm);
if (csElem == null)
{
cfg.DataStoreList.Add(ds);
continue;
}
ds.ProviderName = (csElem.Attribute(PnAttrNm)?.Value);
ds.ConnectionString = (csElem.Element(ConnStrElemNm)?.Value);
cfg.DataStoreList.Add(ds);
}
if (cfg.DataStoreList.Count == 0)
{
Warn?.Invoke($"There is no DataStore configuration: <{DsElemNm}> element!");
}
//
return(cfg);
}