private void ReadConfiguration(PlugInConfiguration configuration, HashSet <string> loadedAssemblies)
{
if (!this.knownPlugIns.ContainsKey(configuration.TypeId))
{
if (!string.IsNullOrEmpty(configuration.ExternalAssemblyName) &&
!loadedAssemblies.Contains(configuration.ExternalAssemblyName.ToLower()))
{
loadedAssemblies.Add(configuration.ExternalAssemblyName.ToLower());
try
{
var assembly = Assembly.LoadFile("plugins\\" + configuration.ExternalAssemblyName);
this.DiscoverAndRegisterPlugIns(assembly);
}
catch (Exception e)
{
Log.Error($"Error while loading external plugin assembly {configuration.ExternalAssemblyName} for plugin {configuration.TypeId}.", e);
return;
}
}
else if (!string.IsNullOrEmpty(configuration.CustomPlugInSource))
{
Assembly customPlugInAssembly = this.CompileCustomPlugInAssembly(configuration);
this.DiscoverAndRegisterPlugIns(customPlugInAssembly);
}
else
{
// nothing we can do
}
}
if (this.knownPlugIns.TryGetValue(configuration.TypeId, out Type plugInType))
{
if (!configuration.IsActive)
{
this.DeactivatePlugIn(plugInType);
}
}
else
{
Log.Warn($"Unknown plugin type for id {configuration.TypeId}");
}
}
/// <summary>
/// Gets the configuration.
/// </summary>
/// <typeparam name="T">The custom configuration type.</typeparam>
/// <param name="configuration">The configuration.</param>
/// <returns>
/// The custom configuration as <typeparamref name="T" />.
/// </returns>
public static T GetConfiguration <T>(this PlugInConfiguration configuration)
where T : class
{
if (string.IsNullOrWhiteSpace(configuration.CustomConfiguration))
{
return(default);
private Assembly CompileCustomPlugInAssembly(PlugInConfiguration configuration)
{
var syntaxTree = SyntaxFactory.ParseSyntaxTree(configuration.CustomPlugInSource);
return(syntaxTree.CompileAndLoad($"CustomPlugIn_{configuration.TypeId}"));
}
/// <summary>
/// Initializes a new instance of the <see cref="PlugInConfigurationChangedEventArgs"/> class.
/// </summary>
/// <param name="plugInType">Type of the plug in.</param>
/// <param name="configuration">The changed configuration.</param>
public PlugInConfigurationChangedEventArgs(Type plugInType, PlugInConfiguration configuration)
: base(plugInType)
{
this.Configuration = configuration;
}
