public static bool CreateFileFromResource(string name, string filePath, string dllPath = null)
{
Assembly dll = dllPath == null?Assembly.GetCallingAssembly() : Assembly.LoadFrom(dllPath);
string[] names = dll.GetManifestResourceNames();
if (!names.Contains(name))
{
throw new ArgumentException(string.Format("{0}, expect: {1}", name, string.Join(";", names)));
}
var stream = dll.GetManifestResourceStream(name);
var file = new FileInfo(filePath);
if (file.Exists)
{
Guid checksum = CryptoManaged.MD5Hash(stream);
stream.Position = 0L;
using (var fileStream = file.OpenRead())
{
if (checksum == CryptoManaged.MD5Hash(fileStream))
{
return(false);
}
}
}
using (var fileStream = file.OpenWrite())
{
stream.FixedCopyTo(fileStream);
}
return(true);
}
public Assembly Inject(Guid checksum, object arg, Stream rawStream = null)
{
Contract.Requires(checksum != Guid.Empty);
if (rawStream != null)
{
var raw = new MemoryStream();
rawStream.FixedCopyTo(raw);
raw.Position = 0L;
Guid checksumNew = CryptoManaged.MD5Hash(raw);
if (checksum != checksumNew)
{
throw new InvalidOperationException("checksum");
}
return(this.Mapper.GetOrAdd(checksum, k => _Domain.Load(raw.ToArray())));
}
Assembly assembly;
if (!this.Mapper.TryGetValue(checksum, out assembly))
{
throw new InvalidOperationException("checksum");
}
var eType = typeof(IAppEntry);
var q = from t in assembly.GetTypes()
where t.IsSubclassOf(eType)
select t;
var entryType = q.FirstOrDefault();
if (entryType != null)
{
var creator = entryType.GetConstructor(Type.EmptyTypes);
if (creator != null)
{
var entry = (IAppEntry)creator.Invoke(null);
entry.DoEntry(arg);
}
}
return(assembly);
}
