public void 修改檔案日期()
{
using var fileSystem = new MemoryFileSystem();
Console.WriteLine("建立資料夾");
fileSystem.CreateDirectory("dir1/dir2/dir3/");
fileSystem.PrintTo(Console.Out);
var content = "This is test string";
var contentBytes = Encoding.UTF8.GetBytes($"{content}");
Console.WriteLine("dir2 底下建立檔案");
fileSystem.CreateFile("dir1/dir2/2.txt", contentBytes);
var entry = fileSystem.GetEntry("dir1/dir2/2.txt");
Console.WriteLine("檔案修改前的日期");
Console.WriteLine($"LastAccess:{entry.LastAccess}");
Console.WriteLine($"LastModified:{entry.LastModified}");
var type = entry.GetType();
var now = new DateTimeOffset(DateTime.UtcNow.AddDays(-30));
var lastAccessPropertyInfo = type.GetProperty("LastAccess");
var lastModifiedPropertyInfo = type.GetProperty("LastModified");
lastAccessPropertyInfo.SetValue(entry, now);
lastModifiedPropertyInfo.SetValue(entry, now);
Console.WriteLine("檔案修改後的日期");
Console.WriteLine($"LastAccess:{entry.LastAccess}");
Console.WriteLine($"LastModified:{entry.LastModified}");
}
public static void Main(string[] args)
{
{
#region Snippet_1
IFileSystem filesystem = new MemoryFileSystem();
#endregion Snippet_1
}
{
#region Snippet_1b
IFileSystem filesystem = new MemoryFileSystem(blockSize: 4096);
#endregion Snippet_1b
}
{
IFileSystem filesystem = new MemoryFileSystem();
#region Snippet_2
foreach (var entry in filesystem.Browse(""))
{
Console.WriteLine(entry.Path);
}
#endregion Snippet_2
}
{
IFileSystem filesystem = new MemoryFileSystem();
filesystem.CreateFile("file.txt");
#region Snippet_3a
using (Stream s = filesystem.Open("file.txt", FileMode.Open, FileAccess.Read, FileShare.Read))
{
Console.WriteLine(s.Length);
}
#endregion Snippet_3a
}
{
IFileSystem filesystem = new MemoryFileSystem();
filesystem.CreateFile("file.txt");
#region Snippet_3b
using (Stream s = filesystem.Open("file.txt", FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.ReadWrite))
{
s.WriteByte(32);
}
#endregion Snippet_3b
}
{
IFileSystem filesystem = new MemoryFileSystem();
#region Snippet_4
IObserver <IEvent> observer = new Observer();
using (IDisposable handle = filesystem.Observe("**", observer))
{
}
#endregion Snippet_4
}
{
IFileSystem filesystem = new MemoryFileSystem();
#region Snippet_5
filesystem.CreateDirectory("dir/");
#endregion Snippet_5
}
{
IFileSystem filesystem = new MemoryFileSystem();
#region Snippet_5a
filesystem.CreateDirectory("dir1/dir2/dir3/");
filesystem.PrintTo(Console.Out);
#endregion Snippet_5a
}
{
IFileSystem filesystem = new MemoryFileSystem();
#region Snippet_5b
filesystem.CreateDirectory("/tmp/dir/");
#endregion Snippet_5b
filesystem.PrintTo(Console.Out);
}
{
IFileSystem filesystem = new MemoryFileSystem();
#region Snippet_5c
filesystem.CreateDirectory("/tmp/dir/");
#endregion Snippet_5c
filesystem.PrintTo(Console.Out);
}
{
IFileSystem filesystem = new MemoryFileSystem();
#region Snippet_5d
filesystem.CreateDirectory("file://");
#endregion Snippet_5d
filesystem.PrintTo(Console.Out);
}
{
IFileSystem filesystem = new MemoryFileSystem();
filesystem.CreateDirectory("dir/");
#region Snippet_6
filesystem.Delete("dir/", recurse: true);
#endregion Snippet_6
}
{
IFileSystem filesystem = new MemoryFileSystem();
filesystem.CreateDirectory("dir/");
#region Snippet_7
filesystem.CreateDirectory("dir/");
filesystem.Move("dir/", "new-name/");
#endregion Snippet_7
filesystem.Delete("new-name/");
}
{
#region Snippet_8a
IFileSystem filesystem = new MemoryFileSystem();
#endregion Snippet_8a
foreach (var entry in filesystem.Browse(""))
{
Console.WriteLine(entry.Path);
}
}
{
#region Snippet_8b
#endregion Snippet_8b
}
{
#region Snippet_10a
// Init
object obj = new ReaderWriterLockSlim();
IFileSystemDisposable filesystem = new FileSystem("").AddDisposable(obj);
// ... do work ...
// Dispose both
filesystem.Dispose();
#endregion Snippet_10a
}
{
#region Snippet_10b
IFileSystemDisposable filesystem = new FileSystem("")
.AddDisposeAction(f => Console.WriteLine("Disposed"));
#endregion Snippet_10b
}
{
#region Snippet_10c
MemoryFileSystem filesystem = new MemoryFileSystem();
filesystem.CreateDirectory("/tmp/dir/");
// Postpone dispose
IDisposable belateDisposeHandle = filesystem.BelateDispose();
// Start concurrent work
Task.Run(() =>
{
// Do work
Thread.Sleep(1000);
filesystem.GetEntry("");
// Release belate handle. Disposes here or below, depending which thread runs last.
belateDisposeHandle.Dispose();
});
// Start dispose, but postpone it until belatehandle is disposed in another thread.
filesystem.Dispose();
#endregion Snippet_10c
}
{
// <Snippet_20a>
IFileSystem ms = new MemoryFileSystem(blockSize: 1024, maxSpace: 1L << 34);
// </Snippet_20a>
}
{
// <Snippet_20b>
IFileSystem ms = new MemoryFileSystem(blockSize: 1024, maxSpace: 1L << 34);
ms.CreateFile("file", new byte[1 << 30]);
ms.PrintTo(Console.Out, format: PrintTree.Format.AllWithName);
// </Snippet_20b>
}
{
try
{
// <Snippet_20c>
IFileSystem ms = new MemoryFileSystem(blockSize: 1024, maxSpace: 2048);
ms.CreateFile("file1", new byte[1024]);
ms.CreateFile("file2", new byte[1024]);
// throws FileSystemExceptionOutOfDiskSpace
ms.CreateFile("file3", new byte[1024]);
// </Snippet_20c>
}
catch (FileSystemExceptionOutOfDiskSpace) { }
}
{
try
{
// <Snippet_20d>
IBlockPool pool = new BlockPool(blockSize: 1024, maxBlockCount: 3, maxRecycleQueue: 3);
IFileSystem ms1 = new MemoryFileSystem(pool);
IFileSystem ms2 = new MemoryFileSystem(pool);
// Reserve 2048 from shared pool
ms1.CreateFile("file1", new byte[2048]);
// Not enough for another 3072, throws FileSystemExceptionOutOfDiskSpace
ms2.CreateFile("file2", new byte[2048]);
// </Snippet_20d>
}
catch (FileSystemExceptionOutOfDiskSpace) { }
}
{
try
{
// <Snippet_20e>
IBlockPool pool = new BlockPool(blockSize: 1024, maxBlockCount: 3, maxRecycleQueue: 3);
IFileSystem ms = new MemoryFileSystem(pool);
Stream s = ms.Open("file", FileMode.Create, FileAccess.ReadWrite, FileShare.ReadWrite);
s.Write(new byte[3072], 0, 3072);
ms.Delete("file");
Console.WriteLine(pool.BytesAvailable); // Prints 0
s.Dispose();
Console.WriteLine(pool.BytesAvailable); // Prints 3072
// </Snippet_20e>
}
catch (FileSystemExceptionOutOfDiskSpace) { }
}
}