/// <summary>
/// 根据程序集描述符装载一个程序集。
/// </summary>
/// <param name="assemblyLoader">程序集装载机。</param>
/// <param name="descriptor">程序集描述符。</param>
/// <returns>程序集。</returns>
/// <exception cref="ArgumentNullException"><paramref name="descriptor"/> 为null。</exception>
public static Assembly Load(this IAssemblyLoader assemblyLoader, AssemblyDescriptor descriptor)
{
if (assemblyLoader == null)
throw new ArgumentNullException("assemblyLoader");
if (descriptor == null)
throw new ArgumentNullException("descriptor");
return assemblyLoader.Load(descriptor.FullName);
}
/// <summary>
/// 装载程序集。
/// </summary>
/// <param name="descriptor">程序集描述符。</param>
/// <returns>程序集。</returns>
public Assembly LoadAssembly(AssemblyDescriptor descriptor)
{
var path = PrecompiledAssemblyPath(descriptor);
return !_appDataFolder.FileExists(path) ? null : _assemblyLoader.Load(descriptor);
}
/// <summary>
/// 删除程序集。
/// </summary>
/// <param name="descriptor">程序集描述符。</param>
public void DeleteAssembly(AssemblyDescriptor descriptor)
{
var path = PrecompiledAssemblyPath(descriptor);
if (!_appDataFolder.FileExists(path))
return;
Logger.Information("从程序集探测目录删除程序集 {0}", descriptor.ToString());
_appDataFolder.DeleteFile(path);
}
/// <summary>
/// 获取程序集的最后修改的Utc时间，如果不存在则返回null。
/// </summary>
/// <param name="descriptor">程序集描述符。</param>
/// <returns>Utc时间。</returns>
public DateTime? GetAssemblyDateTimeUtc(AssemblyDescriptor descriptor)
{
var path = PrecompiledAssemblyPath(descriptor);
return _appDataFolder.GetFileLastWriteTimeUtc(path);
}
/// <summary>
/// 获取程序集的虚拟路径。
/// </summary>
/// <param name="descriptor">程序集描述符。</param>
/// <returns>虚拟路径。</returns>
public string GetAssemblyVirtualPath(AssemblyDescriptor descriptor)
{
var path = PrecompiledAssemblyPath(descriptor);
return !_appDataFolder.FileExists(path) ? null : _appDataFolder.GetVirtualPath(path);
}
/// <summary>
/// 程序集是否存在。
/// </summary>
/// <param name="descriptor">程序集描述符。</param>
/// <returns>true为存在，false为不存在。</returns>
public bool AssemblyExists(AssemblyDescriptor descriptor)
{
var path = PrecompiledAssemblyPath(descriptor);
return _appDataFolder.FileExists(path);
}
private string PrecompiledAssemblyPath(AssemblyDescriptor descriptor)
{
return _appDataFolder.Combine(BasePath, descriptor.Name + ".dll");
}
/// <summary>
/// 存储程序集。
/// </summary>
/// <param name="moduleName">模块名称。</param>
public void StoreAssembly(string moduleName)
{
var descriptor = _extensionManager.GetExtension(moduleName);
if (descriptor == null)
return;
/* var paths = GetModuleAssemblyPaths(descriptor);
if (paths == null)
return;
foreach (var item in paths)
{
var assembly = item.Key;
var fileName = item.Value;
StoreAssembly(assembly, _applicationFolder.MapPath(fileName));
}*/
var path = GetModuleAssemblyPath(descriptor);
Logger.Information("为模块 \"{1}\" 存储程序集文件 \"{0}\"", path, moduleName);
var assemblyDescriptor = new AssemblyDescriptor(moduleName);
StoreAssembly(assemblyDescriptor, _applicationFolder.MapPath(path));
}
/// <summary>
/// 存储程序集。
/// </summary>
/// <param name="descriptor">程序集描述符。</param>
/// <param name="fileName">程序集文件名称。</param>
public void StoreAssembly(AssemblyDescriptor descriptor, string fileName)
{
var path = PrecompiledAssemblyPath(descriptor);
Logger.Information("存储程序集 {0} 到程序集探测目录", descriptor.ToString());
_appDataFolder.StoreFile(fileName, path);
}
public void StoreAndDeleteAssemblyTest()
{
var descriptor = new AssemblyDescriptor("Rabbit.Kernel.Tests");
if (AssemblyProbingFolder.AssemblyExists(descriptor))
AssemblyProbingFolder.DeleteAssembly(descriptor);
AssemblyProbingFolder.StoreAssembly(descriptor, Path.Combine(AppDomain.CurrentDomain.BaseDirectory, descriptor.Name + ".dll"));
Assert.IsTrue(AssemblyProbingFolder.AssemblyExists(descriptor));
AssemblyProbingFolder.DeleteAssembly(descriptor);
Assert.IsFalse(AssemblyProbingFolder.AssemblyExists(descriptor));
}