public static void Write(string path, FileMode mode, Action <FileStream> writeAction)
{
try
{
var lockobj = new object();
lock (lockDict)
{
if (!lockObjects.ContainsKey(path))
{
lockObjects.Add(path, lockobj);
}
else
{
lockobj = lockObjects[path];
}
}
lock (lockobj)
{
var dir = Path.GetDirectoryName(path);
var identities = new string[] { "Everyone", "Users" };
if (!Directory.Exists(dir))
{
Directory.CreateDirectory(dir);
SecurityControl.AddSecurityControllToFolder(identities, dir);
}
else
{
SecurityControl.AddSecurityControllToFolder(identities, dir);
}
using (FileStream fsWrite = new FileStream(path, mode, FileAccess.ReadWrite, FileShare.None))
{
writeAction(fsWrite);
}
}
}
catch (System.Security.SecurityException)
{
throw new System.Security.SecurityException("权限未配置或异常,请检查相关文件及文件夹权限!");
}
catch (System.UnauthorizedAccessException)
{
throw new System.UnauthorizedAccessException("只读文件未能写入,请检查相关文件及文件夹读写权限!");
}
}
public static T Read <T>(string path, FileMode mode, Func <FileStream, T> readAction)
{
try
{
var lockobj = new object();
var identities = new string[] { "Everyone", "Users" };
lock (lockDict)
{
if (!lockObjects.ContainsKey(path))
{
lockObjects.Add(path, lockobj);
}
else
{
lockobj = lockObjects[path];
}
}
lock (lockobj)
{
SecurityControl.AddSecurityControllToFile(identities, path);
using (FileStream fsRead = new FileStream(path, mode))
{
return(readAction(fsRead));
}
}
}
catch (System.Security.SecurityException)
{
throw new System.Security.SecurityException("权限未配置或异常,请检查相关文件及文件夹权限!");
}
catch (System.UnauthorizedAccessException)
{
throw new System.UnauthorizedAccessException("只读文件未能写入,请检查相关文件及文件夹读写权限!");
}
}
