JSON: return HTTP 406 for unsupported formats

[rails.git] / lib / diff_reader.rb

diff --git a/lib/diff_reader.rb b/lib/diff_reader.rb
index 94c41a6d57751be96c3497fb99ffefb7d85e4229..19e0b8afc6bb8f7033c385153fc13834a3b49189 100644 (file)
--- a/lib/diff_reader.rb
+++ b/lib/diff_reader.rb
@@ -8,8 +8,8 @@ class DiffReader
 
   # maps each element type to the model class which handles it
   MODELS = {
-    "node"     => Node,
-    "way"      => Way,
+    "node" => Node,
+    "way" => Way,
     "relation" => Relation
   }.freeze
 
@@ -33,8 +33,8 @@ class DiffReader
     # NOTE: XML::Reader#read returns false for EOF and raises an
     # exception if an error occurs.
     @reader.read
-  rescue LibXML::XML::Error => ex
-    raise OSM::APIBadXMLError.new("changeset", xml, ex.message)
+  rescue LibXML::XML::Error => e
+    raise OSM::APIBadXMLError.new("changeset", xml, e.message)
   end
 
   ##
@@ -60,9 +60,7 @@ class DiffReader
           attributes = {}
 
           if @reader.has_attributes?
-            while @reader.move_to_next_attribute == 1
-              attributes[@reader.name] = @reader.value
-            end
+            attributes[@reader.name] = @reader.value while @reader.move_to_next_attribute == 1
 
             @reader.move_to_element
           end
@@ -112,9 +110,7 @@ class DiffReader
   # such as save_ and delete_with_history.
   def check(model, xml, new)
     raise OSM::APIBadXMLError.new(model, xml) if new.nil?
-    unless new.changeset_id == @changeset.id
-      raise OSM::APIChangesetMismatchError.new(new.changeset_id, @changeset.id)
-    end
+    raise OSM::APIChangesetMismatchError.new(new.changeset_id, @changeset.id) unless new.changeset_id == @changeset.id
   end
 
   ##