[f-spot] Uri extensions methods

[Stephane Delcroix <sdelcroix src gnome org>]

commit db23918845eb70d84e550fcf06802bcaa1dbafcc
Author: Mike Gemünde <mike gemuende de>
Date:   Thu Jun 25 20:56:46 2009 +0200

    Uri extensions methods
    
    extensions methods to get the "folder" like part and the "filename" like part.

 src/Makefile.am            |    1 +
 src/Utils/UriExtensions.cs |   34 ++++++++++++++++++++++++++++++++++
 2 files changed, 35 insertions(+), 0 deletions(-)
---
diff --git a/src/Makefile.am b/src/Makefile.am
index 23993ef..4672412 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -59,6 +59,7 @@ UTILS_CSDISTFILES =				\
 	$(srcdir)/Utils/PixbufOrientation.cs	\
 	$(srcdir)/Utils/PixbufUtils.cs		\
 	$(srcdir)/Utils/Unix.cs			\
+	$(srcdir)/Utils/UriExtensions.cs			\
 	$(srcdir)/Utils/UriUtils.cs
 
 JOBSCHEDULER_CSDISTFILES =				\
diff --git a/src/Utils/UriExtensions.cs b/src/Utils/UriExtensions.cs
new file mode 100644
index 0000000..9991e63
--- /dev/null
+++ b/src/Utils/UriExtensions.cs
@@ -0,0 +1,34 @@
+/*
+ * FSpot.Utils.UriExtensions.cs
+ *
+ * Author(s)
+ * 	Mike Gemuende <mike gemuende de>
+ *
+ * This is free software. See COPYING for details.
+ */
+
+using System;
+
+namespace FSpot.Utils
+{
+	
+	public static class UriExtensions
+	{
+		public static Uri GetDirectoryUri (this Uri uri)
+		{
+			UriBuilder builder = new UriBuilder (uri);
+			builder.Path =
+				String.Format ("{0}/", System.IO.Path.GetDirectoryName (uri.AbsolutePath));
+			
+			return builder.Uri;
+		}
+		
+		public static string GetFilename (this Uri uri)
+		{
+			if ( ! uri.IsFile)
+				return null;
+			
+			return System.IO.Path.GetFileName (uri.AbsolutePath);
+		}
+	}
+}