#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
{
///
///
/// This class provides basic facilities for manipulating files and file paths.
///
/// File-related methods
/// There are methods to
///
/// - copy a file to another file,
/// - compare the content of 2 files,
/// - delete files using the wildcard character,
/// - etc
///
///
///
public sealed class FileUtils
{
/// ---------------------------------------------------------------
/// Tests if the specified file is newer than the reference
/// file.
///
///
/// the file of which the modification date must be compared
///
/// the file of which the modification date is used
/// like reference
///
/// true if the file exists and has been modified more recently
/// than the reference file.
///
/// ---------------------------------------------------------------
public static bool IsNewer(FileInfo newerFile, FileInfo referenceFile)
{
if (referenceFile == null)
throw new ArgumentNullException("referenceFile");
bool exists = referenceFile.Exists;
if (!referenceFile.Exists)
exists = Directory.Exists(referenceFile.FullName);
if (!exists)
throw new System.ArgumentException("The reference file '" + referenceFile + "' doesn't exist");
return IsNewer(newerFile, referenceFile.LastWriteTime);
}
/// ---------------------------------------------------------------
///
/// Tests if the specified file is newer than the specified
/// time reference.
///
/// the file of which the modification date must be compared.
/// the time reference
/// true if the file exists and has been modified after
/// the given time reference.
/// ---------------------------------------------------------------
public static bool IsNewer(FileInfo file, DateTime timeCompare)
{
if (file == null)
throw new ArgumentException("No file specified");
bool exists = file.Exists;
if (!file.Exists)
exists = Directory.Exists(file.FullName);
if (!exists)
return false;
return (file.LastWriteTime > timeCompare);
}
}
}