-using System;
+#region
+/* -----------------------------------------------------------------------
+ * <copyright file="FileInfoExtensions.cs" company="GRNet">
+ *
+ * Copyright 2011-2012 GRNET S.A. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ *
+ * THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and
+ * documentation are those of the authors and should not be
+ * interpreted as representing official policies, either expressed
+ * or implied, of GRNET S.A.
+ * </copyright>
+ * -----------------------------------------------------------------------
+ */
+#endregion
+using System;
using System.Collections.Generic;
using System.Diagnostics.Contracts;
using System.Linq;
path=path.ToLower() + "\\";
int pathLength = path.Length;
- var filePath = fileInfo.FullName;
+ var filePath = fileInfo.GetProperCapitalization();
if (!filePath.StartsWith(path,StringComparison.InvariantCultureIgnoreCase))
throw new ArgumentException(String.Format("The path {0} doesn't contain the file {1}",path,filePath));
}
+ public static string GetProperDirectoryCapitalization(string fileName)
+ {
+ Contract.Ensures(!String.IsNullOrWhiteSpace(Contract.Result<string>()));
+ Contract.EndContractBlock();
+
+ if (String.IsNullOrWhiteSpace(fileName))
+ return String.Empty;
+
+ var dirInfo = new DirectoryInfo(fileName);
+ return dirInfo.GetProperCapitalization();
+ }
+
+
+ public static string GetProperCapitalization(this DirectoryInfo dirInfo)
+ {
+ if (dirInfo == null)
+ throw new ArgumentNullException("dirInfo");
+ Contract.EndContractBlock();
+ Contract.Assume(!String.IsNullOrWhiteSpace(dirInfo.FullName));
+
+ var parentDirInfo = dirInfo.Parent;
+ if (null == parentDirInfo)
+ return dirInfo.Name;
+
+ try
+ {
+
+
+ if (dirInfo.Exists)
+ return Path.Combine(GetProperDirectoryCapitalization(parentDirInfo.FullName),
+ parentDirInfo.GetDirectories(dirInfo.Name)[0].Name);
+ else
+ {
+ return dirInfo.FullName;
+ }
+ }
+ catch (DirectoryNotFoundException)
+ {
+ //An exception can occur if a directory is deleted right after the Exists call
+ return dirInfo.FullName;
+ }
+ }
+
+
+ public static string GetProperFilePathCapitalization(string fileName)
+ {
+ Contract.Ensures(!String.IsNullOrWhiteSpace(Contract.Result<string>()));
+ Contract.EndContractBlock();
+ if (String.IsNullOrWhiteSpace(fileName))
+ return String.Empty;
+
+
+ var fileInfo = new FileInfo(fileName);
+ return fileInfo.GetProperCapitalization();
+ }
+
+ public static string GetProperCapitalization(this FileInfo fileInfo)
+ {
+ if (fileInfo == null)
+ throw new ArgumentNullException("fileInfo");
+ Contract.EndContractBlock();
+
+
+ var dirInfo = fileInfo.Directory;
+
+ //Directory will not be null for an absolute path
+ Contract.Assume(dirInfo != null);
+ try
+ {
+ //Exists returns a cached value that can be true even if a file was deleted since the
+ //FileInfo object was created.
+ fileInfo.Refresh();
+ if (fileInfo.Exists)
+ return Path.Combine(GetProperDirectoryCapitalization(dirInfo.FullName),
+ dirInfo.GetFiles(fileInfo.Name)[0].Name);
+ else
+ {
+ return fileInfo.FullName;
+ }
+ }
+ catch (FileNotFoundException)
+ {
+ //An exception can occur if a file is deleted right after the Exists call
+ return fileInfo.FullName;
+
+ }
+ }
+
+ public static string GetProperCapitalization(this FileSystemInfo info)
+ {
+ if (info is FileInfo)
+ return (info as FileInfo).GetProperCapitalization();
+ if (info is DirectoryInfo)
+ return (info as DirectoryInfo).GetProperCapitalization();
+ throw new NotSupportedException("Unexpected parameter type");
+ }
+
+ public static DirectoryInfo WithProperCapitalization(this DirectoryInfo dirInfo)
+ {
+ if (dirInfo==null)
+ throw new ArgumentNullException("dirInfo");
+ Contract.EndContractBlock();
+
+ var path = dirInfo.GetProperCapitalization();
+ return new DirectoryInfo(path);
+ }
+
+ public static FileInfo WithProperCapitalization(this FileInfo fileInfo)
+ {
+ if (fileInfo==null)
+ throw new ArgumentNullException("fileInfo");
+ Contract.EndContractBlock();
+
+ var path = fileInfo.GetProperCapitalization();
+ return new FileInfo(path);
+ }
+
+ public static FileSystemInfo WithProperCapitalization(this FileSystemInfo info)
+ {
+ if (info==null)
+ throw new ArgumentNullException("info");
+ Contract.EndContractBlock();
+
+ if (info is FileInfo)
+ return (info as FileInfo).WithProperCapitalization();
+ if (info is DirectoryInfo)
+ return (info as DirectoryInfo).WithProperCapitalization();
+
+ throw new NotSupportedException("Unexpected parameter type");
+ }
+
+ public static FileSystemInfo FromPath(string filePath)
+ {
+ if (String.IsNullOrWhiteSpace(filePath))
+ throw new ArgumentNullException("filePath");
+ Contract.EndContractBlock();
+
+ return Directory.Exists(filePath) ?
+ (FileSystemInfo) new DirectoryInfo(filePath)
+ : new FileInfo(filePath);
+ }
}
}