public async Task <Stream> OpenFile(string fileName, FileModeEnum fileMode = FileModeEnum.Create)
{
fileName = FormatPathName(fileName);
Stream stream = null;
switch (fileMode)
{
case FileModeEnum.Create:
stream = await localFolder.OpenStreamForWriteAsync(fileName, CreationCollisionOption.ReplaceExisting);
break;
case FileModeEnum.Open:
stream = await localFolder.OpenStreamForReadAsync(fileName);
break;
case FileModeEnum.Append:
stream = await localFolder.OpenStreamForWriteAsync(fileName, CreationCollisionOption.OpenIfExists);
stream.Seek(0, SeekOrigin.End);
break;
}
return(stream);
}
public Task <Stream> OpenFile(string fileName, FileModeEnum fileMode = FileModeEnum.Create)
{
return(Task.Run <Stream>(delegate
{
string fullPath = Path.Combine(appExternalStorage, fileName);
var parent = Directory.GetParent(fullPath);
if (!parent.Exists)
{
parent.Create();
}
switch (fileMode)
{
case FileModeEnum.Append:
return new FileStream(fullPath, FileMode.Append);
case FileModeEnum.Create:
return new FileStream(fullPath, FileMode.Create);
case FileModeEnum.Open:
return new FileStream(fullPath, FileMode.Open);
default:
throw new InvalidProgramException("Unknown fileMode.");
}
}));
}
private static async Task Write(string fileName, string message, FileModeEnum fileMode)
{
using (var stream = await GlobalAccess.DirectoryService.OpenFile(fileName, fileMode))
{
var bytes = Encoding.UTF8.GetBytes("\r\n" + DateTime.Now.ToLocalTime() + ",info:" + message);
await stream.WriteAsync(bytes, 0, bytes.Length);
}
}
public static int Main()
{
FileModeEnum ac = new FileModeEnum();
TestLibrary.TestFramework.BeginTestCase("FileModeEnum");
if (ac.RunTests())
{
TestLibrary.TestFramework.EndTestCase();
TestLibrary.TestFramework.LogInformation("PASS");
return 100;
}
else
{
TestLibrary.TestFramework.EndTestCase();
TestLibrary.TestFramework.LogInformation("FAIL");
return 0;
}
}
public static int Main()
{
FileModeEnum ac = new FileModeEnum();
TestLibrary.TestFramework.BeginTestCase("FileModeEnum");
if (ac.RunTests())
{
TestLibrary.TestFramework.EndTestCase();
TestLibrary.TestFramework.LogInformation("PASS");
return(100);
}
else
{
TestLibrary.TestFramework.EndTestCase();
TestLibrary.TestFramework.LogInformation("FAIL");
return(0);
}
}
public async Task <Stream> OpenFile(string fileName, FileModeEnum fileMode = FileModeEnum.Create)
{
string fullFileName = Path.Combine(GetAppRootPath(), fileName);
return(await Task.Run <Stream>(() =>
{
switch (fileMode)
{
case FileModeEnum.Create:
return File.Open(fullFileName, FileMode.Create);
case FileModeEnum.Open:
return File.Open(fullFileName, FileMode.Open);
default:
return File.Open(fullFileName, FileMode.Append);
}
}));
}
public Task <Stream> OpenFile1(string fileName, FileModeEnum fileMode = FileModeEnum.Create)
{
return(Task.Run <Stream>(delegate
{
string fullPath = fileName.Replace("file://", "");
switch (fileMode)
{
case FileModeEnum.Append:
return new FileStream(fullPath, FileMode.Append);
case FileModeEnum.Create:
return new FileStream(fullPath, FileMode.Create);
case FileModeEnum.Open:
return new FileStream(fullPath, FileMode.Open);
default:
throw new InvalidProgramException("Unknown fileMode.");
}
}));
}
public async Task <Stream> OpenFile(string fileName, FileModeEnum fileMode = FileModeEnum.Create)
{
FileMode curOsFileMode;
switch (fileMode)
{
case FileModeEnum.Append:
curOsFileMode = FileMode.Append;
break;
case FileModeEnum.Open:
curOsFileMode = FileMode.Open;
break;
default:
curOsFileMode = FileMode.OpenOrCreate;
break;
}
string fullFilePath = GetAppRootPath() + fileName;
string pureFileName = fileName;
if (fileName.LastIndexOf("/") != -1)
{
pureFileName = fileName.Substring(fileName.LastIndexOf("/"));
}
if (File.Exists(fullFilePath))
{
return(File.Open(fullFilePath, curOsFileMode, FileAccess.Read, FileShare.Read));
}
else
{
await CreateDirectory(fullFilePath.Replace(pureFileName, ""));
return(File.Create(fullFilePath));
}
}
