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248 lines
8.2 KiB
C#
248 lines
8.2 KiB
C#
using MediaBrowser.Model.Logging;
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using System;
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using System.Collections.Specialized;
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using System.IO;
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using System.Text;
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namespace MediaBrowser.Controller.IO
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{
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/// <summary>
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/// Class FileSystem
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/// </summary>
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public static class FileSystem
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{
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/// <summary>
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/// Gets the file system info.
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/// </summary>
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/// <param name="path">The path.</param>
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/// <returns>FileSystemInfo.</returns>
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public static FileSystemInfo GetFileSystemInfo(string path)
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{
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// Take a guess to try and avoid two file system hits, but we'll double-check by calling Exists
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if (Path.HasExtension(path))
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{
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var fileInfo = new FileInfo(path);
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if (fileInfo.Exists)
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{
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return fileInfo;
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}
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return new DirectoryInfo(path);
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}
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else
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{
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var fileInfo = new DirectoryInfo(path);
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if (fileInfo.Exists)
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{
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return fileInfo;
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}
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return new FileInfo(path);
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}
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}
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/// <summary>
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/// Gets the creation time UTC.
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/// </summary>
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/// <param name="info">The info.</param>
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/// <param name="logger">The logger.</param>
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/// <returns>DateTime.</returns>
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public static DateTime GetLastWriteTimeUtc(FileSystemInfo info, ILogger logger)
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{
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// This could throw an error on some file systems that have dates out of range
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try
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{
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return info.LastWriteTimeUtc;
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}
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catch (Exception ex)
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{
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logger.ErrorException("Error determining LastAccessTimeUtc for {0}", ex, info.FullName);
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return DateTime.MinValue;
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}
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}
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/// <summary>
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/// Gets the creation time UTC.
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/// </summary>
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/// <param name="info">The info.</param>
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/// <param name="logger">The logger.</param>
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/// <returns>DateTime.</returns>
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public static DateTime GetCreationTimeUtc(FileSystemInfo info, ILogger logger)
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{
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// This could throw an error on some file systems that have dates out of range
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try
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{
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return info.CreationTimeUtc;
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}
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catch (Exception ex)
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{
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logger.ErrorException("Error determining CreationTimeUtc for {0}", ex, info.FullName);
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return DateTime.MinValue;
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}
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}
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/// <summary>
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/// The space char
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/// </summary>
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private const char SpaceChar = ' ';
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/// <summary>
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/// The invalid file name chars
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/// </summary>
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private static readonly char[] InvalidFileNameChars = Path.GetInvalidFileNameChars();
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/// <summary>
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/// Takes a filename and removes invalid characters
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/// </summary>
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/// <param name="filename">The filename.</param>
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/// <returns>System.String.</returns>
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/// <exception cref="System.ArgumentNullException">filename</exception>
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public static string GetValidFilename(string filename)
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{
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if (string.IsNullOrEmpty(filename))
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{
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throw new ArgumentNullException("filename");
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}
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foreach (var c in InvalidFileNameChars)
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{
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filename = filename.Replace(c, SpaceChar);
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}
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return filename;
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}
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/// <summary>
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/// Resolves the shortcut.
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/// </summary>
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/// <param name="filename">The filename.</param>
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/// <returns>System.String.</returns>
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/// <exception cref="System.ArgumentNullException">filename</exception>
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public static string ResolveShortcut(string filename)
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{
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if (string.IsNullOrEmpty(filename))
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{
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throw new ArgumentNullException("filename");
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}
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var link = new ShellLink();
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((IPersistFile)link).Load(filename, NativeMethods.STGM_READ);
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// TODO: if I can get hold of the hwnd call resolve first. This handles moved and renamed files.
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// ((IShellLinkW)link).Resolve(hwnd, 0)
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var sb = new StringBuilder(NativeMethods.MAX_PATH);
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WIN32_FIND_DATA data;
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((IShellLinkW)link).GetPath(sb, sb.Capacity, out data, 0);
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return sb.ToString();
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}
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/// <summary>
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/// Creates a shortcut file pointing to a specified path
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/// </summary>
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/// <param name="shortcutPath">The shortcut path.</param>
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/// <param name="target">The target.</param>
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/// <exception cref="System.ArgumentNullException">shortcutPath</exception>
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public static void CreateShortcut(string shortcutPath, string target)
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{
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if (string.IsNullOrEmpty(shortcutPath))
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{
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throw new ArgumentNullException("shortcutPath");
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}
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if (string.IsNullOrEmpty(target))
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{
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throw new ArgumentNullException("target");
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}
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var link = new ShellLink();
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((IShellLinkW)link).SetPath(target);
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((IPersistFile)link).Save(shortcutPath, true);
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}
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/// <summary>
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/// Determines whether the specified filename is shortcut.
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/// </summary>
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/// <param name="filename">The filename.</param>
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/// <returns><c>true</c> if the specified filename is shortcut; otherwise, <c>false</c>.</returns>
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/// <exception cref="System.ArgumentNullException">filename</exception>
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public static bool IsShortcut(string filename)
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{
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if (string.IsNullOrEmpty(filename))
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{
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throw new ArgumentNullException("filename");
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}
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return string.Equals(Path.GetExtension(filename), ".lnk", StringComparison.OrdinalIgnoreCase);
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}
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/// <summary>
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/// Copies all.
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/// </summary>
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/// <param name="source">The source.</param>
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/// <param name="target">The target.</param>
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/// <exception cref="System.ArgumentNullException">source</exception>
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/// <exception cref="System.ArgumentException">The source and target directories are the same</exception>
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public static void CopyAll(string source, string target)
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{
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if (string.IsNullOrEmpty(source))
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{
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throw new ArgumentNullException("source");
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}
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if (string.IsNullOrEmpty(target))
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{
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throw new ArgumentNullException("target");
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}
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if (source.Equals(target, StringComparison.OrdinalIgnoreCase))
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{
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throw new ArgumentException("The source and target directories are the same");
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}
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// Check if the target directory exists, if not, create it.
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if (!Directory.Exists(target))
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{
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Directory.CreateDirectory(target);
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}
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foreach (var file in Directory.EnumerateFiles(source))
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{
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File.Copy(file, Path.Combine(target, Path.GetFileName(file)), true);
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}
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// Copy each subdirectory using recursion.
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foreach (var dir in Directory.EnumerateDirectories(source))
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{
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CopyAll(dir, Path.Combine(target, Path.GetFileName(dir)));
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}
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}
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/// <summary>
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/// Parses the ini file.
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/// </summary>
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/// <param name="path">The path.</param>
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/// <returns>NameValueCollection.</returns>
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public static NameValueCollection ParseIniFile(string path)
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{
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var values = new NameValueCollection();
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foreach (var line in File.ReadAllLines(path))
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{
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var data = line.Split('=');
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if (data.Length < 2) continue;
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var key = data[0];
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var value = data.Length == 2 ? data[1] : string.Join(string.Empty, data, 1, data.Length - 1);
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values[key] = value;
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}
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return values;
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}
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}
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}
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