[banshee] [InternetArchive] Handle missing file location attr

[Gabriel Burt <gburt src gnome org>]

commit 58ff5c16b1c95c23c561ae7e9552a340eaf2f86b
Author: Gabriel Burt <gabriel burt gmail com>
Date:   Tue Jun 15 12:32:15 2010 -0700

    [InternetArchive] Handle missing file location attr
    
    Usually each file entry in an item's JSON has a location attribute, but
    apparently not all of them do (bgo#621687).  If it's missing, fall back
    to the file's hashtable key.

 .../InternetArchive/Details.cs                     |    5 +++--
 .../InternetArchive/DetailsFile.cs                 |   18 ++++++++++++++++--
 2 files changed, 19 insertions(+), 4 deletions(-)
---
diff --git a/src/Extensions/Banshee.InternetArchive/InternetArchive/Details.cs b/src/Extensions/Banshee.InternetArchive/InternetArchive/Details.cs
index e021b7f..6332a49 100644
--- a/src/Extensions/Banshee.InternetArchive/InternetArchive/Details.cs
+++ b/src/Extensions/Banshee.InternetArchive/InternetArchive/Details.cs
@@ -157,8 +157,9 @@ namespace InternetArchive
             get {
                 string location_root = String.Format ("http://{0}{1}";, details.Get<string> ("server"), details.Get<string> ("dir"));
                 var files = details["files"] as JsonObject;
-                foreach (JsonObject file in files.Values) {
-                    yield return new DetailsFile (file, location_root);
+                foreach (string key in files.Keys) {
+                    var file = files[key] as JsonObject;
+                    yield return new DetailsFile (file, location_root, key);
                 }
             }
         }
diff --git a/src/Extensions/Banshee.InternetArchive/InternetArchive/DetailsFile.cs b/src/Extensions/Banshee.InternetArchive/InternetArchive/DetailsFile.cs
index ae842ba..f604392 100644
--- a/src/Extensions/Banshee.InternetArchive/InternetArchive/DetailsFile.cs
+++ b/src/Extensions/Banshee.InternetArchive/InternetArchive/DetailsFile.cs
@@ -40,15 +40,29 @@ namespace InternetArchive
     {
         JsonObject file;
         string location_root;
+        string object_key;
 
-        public DetailsFile (JsonObject file, string location_root)
+        public DetailsFile (JsonObject file, string location_root, string objectKey)
         {
             this.file = file;
             this.location_root = location_root;
+            this.object_key = objectKey;
         }
 
+        private string location;
         public string Location {
-            get { return location_root + file.Get<string> ("location"); }
+            get {
+                if (location == null) {
+                    string loc = file.Get<string> ("location");
+                    if (String.IsNullOrEmpty (loc)) {
+                        loc = object_key ?? "";
+                    }
+
+                    location = location_root + loc;
+                }
+
+                return location;
+            }
         }
 
         public long Size {