private void PlatformWriteFile(string path, string contents)
{
if (FileExists(path))
{
NSFileHandle handle = NSFileHandle.OpenUpdateUrl(NSUrl.CreateFileUrl(new[] { path }), out NSError error);
if (error != null)
{
throw new NSErrorException(error);
}
else
{
handle.SeekToEndOfFile();
handle.WriteData(NSData.FromString(contents));
handle.CloseFile();
}
}
else
{
CreateFile(path, NSData.FromString(contents));
}
}
public void WriteFile()
{
try
{
// Gets the direct path to the file
NSString folderPath = dataPath.AppendPathComponent(new NSString("testfile.txt"));
// The text who should be written
NSString someText = new NSString("Test");
// The data
NSData data = someText.Encode(NSStringEncoding.UTF8);
// Handle the data and writes it to the specific path
NSFileHandle nsfh = NSFileHandle.OpenWrite(folderPath);
// Writes the data
nsfh.WriteData(data);
}
catch (Exception ex)
{
// Failed write data into a file
}
}
public void WriteFile(string path, string userIdentity, string contents)
{
if (!string.IsNullOrEmpty(path) || !string.IsNullOrEmpty(contents))
{
if (!NSFileManager.DefaultManager.FileExists(path))
{
var dict = new NSMutableDictionary();
UIApplication.SharedApplication.InvokeOnMainThread(() =>
{
NSFileManager.DefaultManager.CreateFile(path, NSData.FromString(contents), dict);
});
_fileProtectionManagerService.ProtectFile(path, userIdentity);
_fileProtectionManagerService.EncryptFile(path, userIdentity);
}
else
{
NSFileHandle fileHandle = null;
NSError error = null;
Exception exception = null;
try
{
UIApplication.SharedApplication.InvokeOnMainThread(() =>
{
_fileProtectionManagerService.DecryptFile(path);
fileHandle = NSFileHandle.OpenUpdateUrl(NSUrl.CreateFileUrl(new[] { path }), out error);
fileHandle.SeekToEndOfFile();
fileHandle.WriteData(NSData.FromString(contents));
_fileProtectionManagerService.ProtectFile(path, userIdentity);
_fileProtectionManagerService.EncryptFile(path, userIdentity);
});
}
catch (Exception ex)
{
exception = ex;
}
finally
{
if (fileHandle != null)
{
UIApplication.SharedApplication.InvokeOnMainThread(() =>
{
fileHandle.CloseFile();
});
}
}
if (error != null)
{
_loggingService.LogError(typeof(FileSystemService), new Exception(error.DebugDescription), error.Description);
throw new NSErrorException(error);
}
else if (exception != null)
{
_loggingService.LogError(typeof(FileSystemService), exception, exception.Message);
throw exception;
}
}
}
}
