public void TestAppendText()
{
Assert.IsFalse(_gridFS.Exists("HelloWorld.txt"));
using (var writer = _gridFS.AppendText("HelloWorld.txt"))
{
Assert.IsFalse(writer.BaseStream.CanRead);
Assert.IsTrue(writer.BaseStream.CanSeek);
Assert.IsTrue(writer.BaseStream.CanWrite);
writer.Write("Hello");
}
Assert.IsTrue(_gridFS.Exists("HelloWorld.txt"));
using (var writer = _gridFS.AppendText("HelloWorld.txt"))
{
writer.Write(" World");
}
var memoryStream = new MemoryStream();
_gridFS.Download(memoryStream, "HelloWorld.txt");
var bytes = memoryStream.ToArray();
Assert.AreEqual(0xEF, bytes[0]); // the BOM
Assert.AreEqual(0xBB, bytes[1]);
Assert.AreEqual(0xBF, bytes[2]);
var text = Encoding.UTF8.GetString(bytes, 3, bytes.Length - 3);
Assert.AreEqual("Hello World", text);
}
public Tuple <byte[], byte[]> GetAssemblyBytes(string assemblyname)
{
string gridFileName = FormatGridFileName(assemblyname);
if (m_grid.Exists(Query.Matches("filename", new BsonRegularExpression(new Regex("^" + Regex.Escape(gridFileName + ".dll") + "$", RegexOptions.IgnoreCase)))))
{
gridFileName = gridFileName + ".dll";
}
else
{
if (m_grid.Exists(Query.Matches("filename", new BsonRegularExpression(new Regex("^" + Regex.Escape(gridFileName + ".exe") + "$", RegexOptions.IgnoreCase)))))
{
gridFileName = gridFileName + ".exe";
}
else
{
Console.WriteLine("Assembly not found {0}", assemblyname);
return(null);
}
}
byte[] asmBytes = ReadFile(gridFileName);
byte[] pdbBytes = null;
if (m_grid.Exists(Path.ChangeExtension(gridFileName, "pdb")))
{
pdbBytes = ReadFile(Path.ChangeExtension(gridFileName, "pdb"));
}
return(new Tuple <byte[], byte[]>(asmBytes, pdbBytes));
}
/// <summary>
/// 判断文件是否存在
/// </summary>
/// <param name="remoteFile"></param>
/// <returns></returns>
public bool Exist(string remoteFile)
{
_logger.DebugFormat("Exist, Id {0}.", remoteFile);
try
{
MongoGridFS fs = new MongoGridFS(_context.DataBase);
return(fs.Exists(remoteFile));
}
catch (Exception ex)
{
_logger.Error(ex.Message);
_logger.Error(ex.StackTrace);
throw;
}
}
/// <summary>
/// 获取元数据信息
/// </summary>
/// <param name="remoteFile"></param>
/// <returns></returns>
public MetaInfo GetMeta(string remoteFile)
{
_logger.DebugFormat("GetMeta By Id{0}.", remoteFile);
MongoGridFS fs = new MongoGridFS(_context.DataBase);
if (!fs.Exists(remoteFile))
{
return(null);
}
var info = fs.FindOne(remoteFile);
return(new MetaInfo
{
fileName = remoteFile,
MD5 = info.MD5,
MimeType = info.ContentType,
});
}
/// <summary>
/// deletes file
/// </summary>
/// <param name="filepath"></param>
public void Delete(string filepath)
{
if (string.IsNullOrWhiteSpace(filepath))
{
throw new ArgumentException("filepath cannot be null or empty");
}
//all filepaths are lowercase and all starts with folder separator
filepath = filepath.ToLowerInvariant();
if (!filepath.StartsWith(FOLDER_SEPARATOR))
{
filepath = FOLDER_SEPARATOR + filepath;
}
var sourceQuery = Query.EQ("filename", filepath);
if (gfs.Exists(sourceQuery))
{
gfs.Delete(sourceQuery);
}
}
private static void Main()
{
var exit = false;
_mongoClient = new MongoClient("mongodb://localhost");
_db = new MongoGridFS(_mongoClient.GetServer(), "Default",
new MongoGridFSSettings());
while (!exit)
{
Console.Write(GetPrepend());
var command = Console.ReadLine();
Debug.Assert(command != null, "command != null");
if (command.Length == 0)
{
continue;
}
//What the f**k?
//Handles quotation marks in incoming commands
var result = command.Split('"')
.Select((element, index) => index % 2 == 0
? element.Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries)
: new[] { element })
.SelectMany(element => element).ToList();
switch (result[0].ToLower())
{
case "exit":
exit = true;
break;
case "cd":
if (result.Count == 2)
{
if (result[1] == "..")
{
var sarray = _currentdirectory.Split('/').Where(x => x != "").ToArray();
var str = "/";
for (var i = 0; i < sarray.Length - 1; i++)
{
str += sarray[i] + "/";
}
_currentdirectory = str;
}
else
{
_currentdirectory += result[1] + "/";
}
}
else
{
Console.WriteLine(" Usage: cd <dir>");
}
break;
case "server":
_mongoClient = new MongoClient("mongodb://" + result[1]);
_db = new MongoGridFS(_mongoClient.GetServer(), "Default",
new MongoGridFSSettings());
break;
case "db":
_db = new MongoGridFS(_mongoClient.GetServer(), result[1],
new MongoGridFSSettings());
break;
case "ls":
if (_db != null)
{
var query = from file in _db.FindAll()
where file.Name.StartsWith(_currentdirectory)
select file;
foreach (var file in query)
{
Console.WriteLine(" " + file.Name);
}
}
break;
case "put":
if (result.Count == 2)
{
var file = new FileInfo(result[1]);
if (!file.Exists)
{
Console.WriteLine(" File doesn't exist!");
break;
}
Console.Write(" Uploading " + file.Name + "...");
Debug.Assert(_db != null, "_db != null");
_db.Upload(file.FullName, _currentdirectory + file.Name);
Console.WriteLine("Done!");
}
else if (result.Count == 3)
{
var file = new FileInfo(result[1]);
if (!file.Exists)
{
Console.WriteLine(" File doesn't exist!");
break;
}
Console.Write(" Uploading " + file.Name + "...");
Debug.Assert(_db != null, "_db != null");
_db.Upload(file.FullName, result[2]);
Console.WriteLine("Done!");
}
else
{
Console.WriteLine(" Usage: put <src> [dest]");
}
break;
case "get":
if (result.Count == 2)
{
Debug.Assert(_db != null, "_db != null");
if (!_db.Exists(result[1]))
{
Console.WriteLine(" File doesn't exist!");
break;
}
Console.Write(" Downloading " + result[1] + "...");
_db.Download(result[1], result[1]);
Console.WriteLine("Done!");
}
else if (result.Count == 3)
{
Debug.Assert(_db != null, "_db != null");
if (!_db.Exists(result[1]))
{
Console.WriteLine(" File doesn't exist!");
break;
}
Console.Write(" Downloading " + result[1] + "...");
_db.Download(result[2], result[1]);
Console.WriteLine("Done!");
}
else
{
Console.WriteLine(" Usage: get <src> [dest]");
}
break;
case "del":
if (result.Count == 2)
{
Debug.Assert(_db != null, "_db != null");
if (!_db.Exists(result[1]))
{
Console.WriteLine(" File doesn't exist!");
break;
}
_db.Delete(result[1]);
}
else
{
Console.WriteLine(" Usage: del <filename>");
}
break;
default:
Console.WriteLine(" Invalid Command");
break;
}
}
}
/// <summary>
/// 上传文件
/// </summary>
/// <remarks>Mongo允许同名文件，因为id才是主键</remarks>
/// <param name="strFileName"></param>
public static UploadResult UpLoadFile(String strFileName, UpLoadFileOption Option)
{
MongoDatabase mongoDB = SystemManager.GetCurrentDataBase();
MongoGridFS gfs = mongoDB.GetGridFS(new MongoGridFSSettings());
String RemoteName = String.Empty;
if (Option.FileNameOpt == enumGFSFileName.filename)
{
RemoteName = new FileInfo(strFileName).Name;
}
else
{
if (Option.DirectorySeparatorChar != Path.DirectorySeparatorChar)
{
RemoteName = strFileName.Replace(Path.DirectorySeparatorChar, Option.DirectorySeparatorChar);
}
else
{
RemoteName = strFileName;
}
}
try
{
OnActionDone(new ActionDoneEventArgs(RemoteName + " Uploading "));
if (!gfs.Exists(RemoteName))
{
gfs.Upload(strFileName, RemoteName);
return(UploadResult.Complete);
}
else
{
switch (Option.AlreadyOpt)
{
case enumGFSAlready.JustAddIt:
gfs.Upload(strFileName, RemoteName);
return(UploadResult.Complete);
case enumGFSAlready.RenameIt:
String ExtendName = new FileInfo(strFileName).Extension;
String MainName = RemoteName.Substring(0, RemoteName.Length - ExtendName.Length);
int i = 1;
while (gfs.Exists(MainName + i.ToString() + ExtendName))
{
i++;
}
gfs.Upload(strFileName, MainName + i.ToString() + ExtendName);
return(UploadResult.Complete);
case enumGFSAlready.SkipIt:
return(UploadResult.Skip);
case enumGFSAlready.OverwriteIt:
gfs.Delete(RemoteName);
gfs.Upload(strFileName, RemoteName);
return(UploadResult.Complete);
case enumGFSAlready.Stop:
return(UploadResult.Skip);
}
return(UploadResult.Skip);
}
}
catch (Exception ex)
{
SystemManager.ExceptionDeal(ex);
return(UploadResult.Exception);
}
}
public void AppendTextTest()
{
Assert.IsFalse(gridFS.Exists("HelloWorld.txt"));
using (var writer = gridFS.AppendText("HelloWorld.txt")) {
Assert.IsFalse(writer.BaseStream.CanRead);
Assert.IsTrue(writer.BaseStream.CanSeek);
Assert.IsTrue(writer.BaseStream.CanWrite);
writer.Write("동해물과");
}
Assert.IsTrue(gridFS.Exists("HelloWorld.txt"));
using (var writer = gridFS.AppendText("HelloWorld.txt")) {
writer.Write(" 백두산이");
}
var memoryStream = new MemoryStream();
gridFS.Download(memoryStream, "HelloWorld.txt");
var bytes = memoryStream.ToArray();
// 2-byte 문자열임을 나타내는 헤더값
StringTool.IsMultiByteString(bytes).Should().Be.True();
//Assert.AreEqual(0xEF, bytes[0]); // the BOM
//Assert.AreEqual(0xBB, bytes[1]);
//Assert.AreEqual(0xBF, bytes[2]);
// Header 값을 빼고, 한다.
// var text = Encoding.UTF8.GetString(bytes, 3, bytes.Length - 3);
var text = memoryStream.ToText(Encoding.UTF8);
Assert.AreEqual("동해물과 백두산이", text);
}