/// <summary>
/// Loads the configuration from the specified file.
/// </summary>
public bool Load(string fileName, out string errMsg)
{
try
{
SetToDefault();
if (!File.Exists(fileName))
{
throw new FileNotFoundException(string.Format(CommonPhrases.NamedFileNotFound, fileName));
}
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.Load(fileName);
XmlElement rootElem = xmlDoc.DocumentElement;
if (rootElem.SelectSingleNode("GeneralOptions") is XmlNode generalOptionsNode)
{
GeneralOptions.LoadFromXml(generalOptionsNode);
}
if (rootElem.SelectSingleNode("ConnectionOptions") is XmlNode connectionOptionsNode)
{
ConnectionOptions.LoadFromXml(connectionOptionsNode);
}
if (rootElem.SelectSingleNode("Lines") is XmlNode linesNode)
{
foreach (XmlElement lineElem in linesNode.SelectNodes("Line"))
{
LineConfig lineConfig = new LineConfig();
lineConfig.LoadFromXml(lineElem);
Lines.Add(lineConfig);
}
}
FillDriverCodes();
errMsg = "";
return(true);
}
catch (Exception ex)
{
errMsg = CommonPhrases.LoadAppConfigError + ": " + ex.Message;
return(false);
}
}
/// <summary>
/// Saves the configuration to the specified file.
/// </summary>
public bool Save(string fileName, out string errMsg)
{
try
{
XmlDocument xmlDoc = new XmlDocument();
XmlDeclaration xmlDecl = xmlDoc.CreateXmlDeclaration("1.0", "utf-8", null);
xmlDoc.AppendChild(xmlDecl);
XmlElement rootElem = xmlDoc.CreateElement("ScadaServerConfig");
xmlDoc.AppendChild(rootElem);
GeneralOptions.SaveToXml(rootElem.AppendElem("GeneralOptions"));
XmlElement connectionsElem = rootElem.AppendElem("Connections");
foreach (ConnectionOptions connectionOptions in Connections.Values)
{
connectionOptions.SaveToXml(connectionsElem.AppendElem("Connection"));
}
XmlElement dataSourcesElem = rootElem.AppendElem("DataSources");
foreach (DataSourceConfig dataSourceConfig in DataSources)
{
dataSourceConfig.SaveToXml(dataSourcesElem.AppendElem("DataSource"));
}
XmlElement linesElem = rootElem.AppendElem("Lines");
foreach (LineConfig lineConfig in Lines)
{
lineConfig.SaveToXml(linesElem.AppendElem("Line"));
}
xmlDoc.Save(fileName);
errMsg = "";
return(true);
}
catch (Exception ex)
{
errMsg = CommonPhrases.SaveAppConfigError + ": " + ex.Message;
return(false);
}
}
/// <summary>
/// Loads the configuration from the specified reader.
/// </summary>
protected override void Load(TextReader reader)
{
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.Load(reader);
XmlElement rootElem = xmlDoc.DocumentElement;
if (rootElem.SelectSingleNode("GeneralOptions") is XmlNode generalOptionsNode)
{
GeneralOptions.LoadFromXml(generalOptionsNode);
}
if (rootElem.SelectSingleNode("ConnectionOptions") is XmlNode connectionOptionsNode)
{
ConnectionOptions.LoadFromXml(connectionOptionsNode);
}
if (rootElem.SelectSingleNode("DataSources") is XmlNode dataSourcesNode)
{
foreach (XmlElement dataSourceElem in dataSourcesNode.SelectNodes("DataSource"))
{
DataSourceConfig dataSourceConfig = new DataSourceConfig();
dataSourceConfig.LoadFromXml(dataSourceElem);
DataSources.Add(dataSourceConfig);
}
}
if (rootElem.SelectSingleNode("Lines") is XmlNode linesNode)
{
foreach (XmlElement lineElem in linesNode.SelectNodes("Line"))
{
LineConfig lineConfig = new LineConfig {
Parent = this
};
lineConfig.LoadFromXml(lineElem);
Lines.Add(lineConfig);
}
}
FillDriverCodes();
}