Mega Code Archive
Remove a file or similar files if wildcard is included
<![CDATA[
#region License and Copyright
/* -------------------------------------------------------------------------
* Dotnet Commons IO
*
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, write to the
*
* Free Software Foundation, Inc.,
* 59 Temple Place,
* Suite 330,
* Boston,
* MA 02111-1307
* USA
*
* -------------------------------------------------------------------------
*/
#endregion
using System;
using System.Collections;
using System.Globalization;
using System.IO;
namespace Dotnet.Commons.IO
{
///
/// <summary>
/// This class provides basic facilities for manipulating files and file paths.
///
/// <h3>File-related methods</h3>
/// There are methods to
/// <list type="bullet">
/// <item>copy a file to another file,</item>
/// <item>compare the content of 2 files,</item>
/// <item>delete files using the wildcard character,</item>
/// <item>etc</item>
/// </list>
/// </summary>
///
public sealed class FileUtils
{
private static bool hasWildCards(string file)
{
return file.IndexOf("*") > -1;
}
/// ---------------------------------------------------------------
/// <summary>
/// Get all the files that matches a wildcard pattern, eg. (*.tmp)
/// </summary>
/// <param name="pathPattern">Wildcard pattern to search, eg. (Profile*.doc)</param>
/// <returns>an array of FileInfo objects that results from the wildcard pattern file search</returns>
/// ---------------------------------------------------------------
public static FileInfo[] GetFilesMatchWildCard(string pathPattern)
{
FileInfo[] files = new FileInfo[0];
if (hasWildCards(pathPattern))
{
string dir = Path.GetDirectoryName(pathPattern);
DirectoryInfo info = new DirectoryInfo(dir);
string pattern = Path.GetFileName(pathPattern);
if (info.Exists)
files = info.GetFiles(pattern);
}
else
{
files = new FileInfo[] { new FileInfo(pathPattern.Trim()) };
}
return files;
}
/// ---------------------------------------------------------------
/// <summary>
/// Remove a file or similar files if wildcard is included.
/// </summary>
/// <param name="path">path of the file(s) to delete</param>
/// ---------------------------------------------------------------
public static void Remove(string path)
{
bool hasWildCard = FileUtils.hasWildCards(path);
if (hasWildCard)
{
FileInfo[] filesToRemove = GetFilesMatchWildCard(path);
foreach (FileInfo file in filesToRemove)
{
// delete each file
file.Delete();
}
return;
}
FileInfo fi = new FileInfo(path);
if (fi.Exists) fi.Delete();
}
/// ---------------------------------------------------------------
/// <summary>
/// Remove a file or Directory recursively
/// </summary>
/// <param name="path"></param>
/// ---------------------------------------------------------------
public static void RemoveAll(string path)
{
if (IsDirectory(path))
{
Directory.Delete(path, true);
}
else
{
if (FileUtils.hasWildCards(path))
Remove(path);
else
File.Delete(path);
}
}
/// ---------------------------------------------------------------
/// <summary>
/// Determine if a path is the path of a directory.
/// </summary>
/// <param name="path"></param>
/// <returns>true if path is a valid directory, false otherwise</returns>
/// ---------------------------------------------------------------
public static bool IsDirectory(string path)
{
return Directory.Exists(path);
}
}
}
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