/// <summary>
/// 在指定的路径中查找服务提供者
/// </summary>
/// <param name="loaderPath">文件夹列表</param>
/// <returns>查找的结果</returns>
public static PluginList GetPlugins(params string[] loaderPath)
{
PluginList list = new PluginList();
Action<string> loader = s =>
{
PluginInfo[] slist = GetPluginsInAssembly(s);
if (slist != null) list.AddRange(slist);
};
Action<string> folderLoader = s =>
{
if (!System.IO.Path.IsPathRooted(s))
s = System.IO.Path.Combine(
System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetEntryAssembly().Location), s);
string[] files = System.IO.Directory.GetFiles(s, "*.exe");
Array.ForEach(files, loader);
files = System.IO.Directory.GetFiles(s, "*.dll");
Array.ForEach(files, loader);
};
folderLoader(System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetEntryAssembly().Location));
Array.ForEach(loaderPath, folderLoader);
return list;
}
public void DistributeEvent(String eventName, MyEventArgBase e)
{
if (Broadcast(eventName, e))
{
return;
}
// Not a broadcast; process event
PluginList pluginList = new PluginList();
lock (s_subscriberLock)
{
PluginList tmpList;
if (m_Subscribers.TryGetValue(eventName, out tmpList))
{
// Deep copy
pluginList.AddRange(tmpList);
}
}
foreach (IMyPlugin plugin in pluginList)
{
if ((plugin.EventPriority <= e.CeilingPriority) || (plugin.EventPriority >= e.FloorPriority))
{
// the source should not be involved.
if (!plugin.Equals(e.MyPlugin))
{
plugin.HandleEvent(eventName, e);
}
}
}
}
public PluginList GetPlugins()
{
var iPluginName = typeof(IPlugin).FullName;
var list = new PluginList();
string[] files;
try
{
files = Directory.GetFiles(PluginDirectoryPath, "*.dll")
.Concat(Directory.GetDirectories(PluginDirectoryPath)
.SelectMany(x => Directory.GetFiles(x, "*.dll")))
.ToArray();
}
catch
{
return new PluginList();
}
foreach (var path in files)
{
try
{
var assembly = Assembly.LoadFile(path);
list.AddRange(assembly.GetTypes()
.Where(x => x.IsClass && !x.IsAbstract && !x.IsNotPublic
&& x.GetInterface(iPluginName) != null)
.Select(x => new ExternalPlugin(
GetRelativeFileNameWithoutExtension(path),
(IPlugin)Activator.CreateInstance(x))));
}
catch
{
continue;
}
}
return list;
}