public static FileInfo Truncate(this FileInfo obj,
string value)
#endif
{
if (null == obj)
{
throw new ArgumentNullException("obj");
}
using (var stream = obj.Open(FileMode.Truncate, FileAccess.Write, FileShare.Read))
{
using (var writer = new StreamWriter(stream))
{
#if NET20
if (ObjectExtensionMethods.IsNotNull(value))
#else
if (value.IsNotNull())
#endif
{
writer.Write(value);
}
}
}
return(obj);
}
private static string[] ToStringArray(FileSystemInfo obj,
IEnumerable <object> paths)
{
if (null == obj)
{
throw new ArgumentNullException("obj");
}
var args = new List <string>
{
obj.FullName
};
#if NET20
if (ObjectExtensionMethods.IsNotNull(paths))
#else
if (paths.IsNotNull())
#endif
{
var range = paths
#if NET20
.Where(x => ObjectExtensionMethods.IsNotNull(x))
#else
.Where(x => x.IsNotNull())
#endif
.Select(path => path.ToString().RemoveIllegalFileCharacters());
args.AddRange(range);
}
return(args.ToArray());
}
private StreamWriter Item(FileInfo file,
string firstLine,
FileMode mode,
FileAccess access,
FileShare share)
{
if (Disposed)
{
throw new InvalidOperationException("This object has been disposed.");
}
if (!ContainsKey(file.FullName))
{
var exists = file.Exists;
var writer = new StreamWriter(file.Open(mode, access, share), Encoding.UTF8);
Add(file.FullName, writer);
#if NET20
if (ObjectExtensionMethods.IsNotNull(firstLine))
#else
if (firstLine.IsNotNull())
#endif
{
switch (mode)
{
case FileMode.Append:
if (!exists)
{
writer.WriteLine(firstLine);
}
break;
default:
writer.WriteLine(firstLine);
break;
}
}
}
return(this[file.FullName]);
}
protected virtual void Dispose(bool disposing)
{
if (!Disposed && disposing)
{
#if NET20
if (ObjectExtensionMethods.IsNotNull(Info))
#else
if (Info.IsNotNull())
#endif
{
Info.Refresh();
if (Info.Exists)
{
Info.Delete();
}
Info = null;
}
}
Disposed = true;
}