public bool TryLoad(ModuleDescriptor descriptor, out ModuleAccess access)
{
//对于 Full Framework :
//ModuleDescriptor.Path ：（嵌入的模块配置文件）资源名称。
//ModuleDescriptor.Root ：程序集文件名。
access = null;
if (File.Exists(descriptor.LibraryPath))
{
string resourceName = descriptor.ModuleManifest;
Assembly assembly = null;
try
{
assembly = _assemblyReader.ReadFile(descriptor.LibraryPath);
access = new ModuleAccess();
access.Descriptor = descriptor;
access.Assembly = assembly;
access.Location = descriptor.LibraryPath;
access.ExportedTypes = this.LoadTypes(descriptor.Name, assembly);
return(true);
}
catch (BadImageFormatException)
{ }
}
return(false);
}
/// <summary>
/// 参见 <see cref="EmbededFilesFinder.FindAvailableModules"/> 方法。
/// </summary>
public IEnumerable <ModuleDescriptor> FindAvailableModules()
{
ConcurrentDictionary <String, ModuleDescriptor> modules =
new ConcurrentDictionary <string, ModuleDescriptor>();
IEnumerable <string> folders = this.GetFolders().Where(f => Directory.Exists(f));
Parallel.ForEach(folders, (f) =>
{
var files = Directory.EnumerateFiles(f, "*.dll", SearchOption.TopDirectoryOnly)
.Where(file =>
{
string name = Path.GetFileName(file);
return
(!name.StartsWith("system.", StringComparison.OrdinalIgnoreCase) &&
!name.StartsWith("microsoft.", StringComparison.OrdinalIgnoreCase) &&
!name.StartsWith("schubert.framework", StringComparison.OrdinalIgnoreCase));
}).ToArray();
foreach (var file in files)
{
Assembly assembly = null;
try
{
assembly = _reader.ReadFile(file);
}
catch (BadImageFormatException)
{
continue;
}
var resourceNames = assembly.GetManifestResourceNames();
foreach (string r in resourceNames)
{
string resourceFile = GetResourceFileName(assembly, r);
foreach (IModuleHarvester harverter in _moduleHarvesters)
{
if (harverter.CanHarvest(resourceFile))
{
_logger.WriteDebug($"尝试加载模块嵌入式清单文件 {file} , 资源路径：{r}。");
using (Stream stream = assembly.GetManifestResourceStream(r))
{
string content = stream.ReadToEnd(System.Text.Encoding.UTF8);
ModuleDescriptor desc = null;
if (harverter.TryHarvestModule(content, out desc))
{
desc.RootDirectory = f;
desc.LibraryPath = file;
desc.ModuleManifest = GetResourceFileName(assembly, r, desc.RootNamespce);
modules.GetOrAdd(desc.Name, desc);
}
}
}
}
}
}
});
return(modules.Values.ToArray());
}
public bool TryLoad(ModuleDescriptor descriptor, out ModuleAccess access)
{
access = null;
Assembly assembly = null;
string libraryPath = descriptor.LibraryPath;
if (File.Exists(libraryPath))
{
try
{
assembly = _assemblyReader.ReadFile(libraryPath);
}
catch (BadImageFormatException)
{
this._logger.WriteWarning($"{libraryPath} 不是有效的程序集文件。");
}
}
else
{
try
{
assembly = _assemblyReader.ReadByName(descriptor.LibraryPath);
}
catch (Exception ex)
{
ex.ThrowIfNecessary();
}
}
if (assembly != null)
{
access = new ModuleAccess();
access.Descriptor = descriptor;
access.Assembly = assembly;
access.Location = descriptor.LibraryPath;
access.ExportedTypes = this.LoadTypes(descriptor.ModuleManifest, assembly, descriptor.RootNamespce.IfNullOrWhiteSpace(assembly.GetName().Name));
return(true);
}
return(false);
}
