Esempio n. 1
0
        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);
        }
Esempio n. 2
0
        /// <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());
        }
Esempio n. 3
0
        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);
        }