[tracker/tracker-0.10] tracker-store: Improve error reporting in restore

[Martyn James Russell <mr src gnome org>]

commit 35e700755785edde6773e05d202d5e666baaee6f
Author: Philip Van Hoof <philip codeminded be>
Date:   Thu Apr 28 18:48:05 2011 +0200

    tracker-store: Improve error reporting in restore

 src/tracker-store/tracker-backup.vala |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/src/tracker-store/tracker-backup.vala b/src/tracker-store/tracker-backup.vala
index f09ed6b..a98e725 100644
--- a/src/tracker-store/tracker-backup.vala
+++ b/src/tracker-store/tracker-backup.vala
@@ -77,6 +77,10 @@ public class Tracker.Backup : Object {
 
 			var journal = File.new_for_uri (journal_uri);
 
+			if (journal == null || journal.get_path() == null) {
+				throw new DataBackupError.INVALID_URI ("'" + journal_uri + "' is not a valid uri");
+			}
+
 			var notifier = (Status) (Tracker.DBus.get_object (typeof (Status)));
 			var busy_callback = notifier.get_callback ();