/// <summary>
/// Loads extensions from the configuration file
/// </summary>
/// <param name="id">Extension ID</param>
/// <param name="logger">Logger</param>
/// <exception cref="ExtensionException">Loading failure</exception>
private void LoadExtension(string id, IEventWriter logger)
{
if (Extensions.ContainsKey(id))
{
throw new ExtensionException(id, "Extension has been already loaded");
}
var extensionsConfig = ServiceDescriptor.ExtensionsConfiguration;
XmlElement configNode = (extensionsConfig != null) ? extensionsConfig.SelectSingleNode("extension[@id='" + id + "'][1]") as XmlElement : null;
if (configNode == null)
{
throw new ExtensionException(id, "Cannot get the configuration entry");
}
var descriptor = WinSWExtensionDescriptor.FromXml(configNode);
if (descriptor.Enabled)
{
IWinSWExtension extension = CreateExtensionInstance(descriptor.Id, descriptor.ClassName);
extension.Descriptor = descriptor;
extension.Configure(ServiceDescriptor, configNode, logger);
Extensions.Add(id, extension);
logger.LogEvent("Extension loaded: " + id, EventLogEntryType.Information);
}
else
{
logger.LogEvent("Extension is disabled: " + id, EventLogEntryType.Warning);
}
}
/// <summary>
/// Loads extensions from the configuration file
/// </summary>
/// <param name="id">Extension ID</param>
/// <param name="logger">Logger</param>
/// <exception cref="Exception">Loading failure</exception>
private void LoadExtension(string id)
{
if (Extensions.ContainsKey(id))
{
throw new ExtensionException(id, "Extension has been already loaded");
}
XmlNode? extensionsConfig = ServiceDescriptor.ExtensionsConfiguration;
XmlElement?configNode = extensionsConfig is null ? null : extensionsConfig.SelectSingleNode("extension[@id='" + id + "'][1]") as XmlElement;
if (configNode is null)
{
throw new ExtensionException(id, "Cannot get the configuration entry");
}
var descriptor = WinSWExtensionDescriptor.FromXml(configNode);
if (descriptor.Enabled)
{
IWinSWExtension extension = CreateExtensionInstance(descriptor.Id, descriptor.ClassName);
extension.Descriptor = descriptor;
try
{
extension.Configure(ServiceDescriptor, configNode);
}
catch (Exception ex)
{ // Consider any unexpected exception as fatal
Log.Fatal("Failed to configure the extension " + id, ex);
throw ex;
}
Extensions.Add(id, extension);
Log.Info("Extension loaded: " + id);
}
else
{
Log.Warn("Extension is disabled: " + id);
}
}
