Merge pull request #100 from cheese-head/add-support-for-ec2-protocol

adding support for the ec2 protocol

lib/aws_codegen.ex

@@ -41,6 +41,13 @@ defmodule AWS.CodeGen do
   # Configuration map which determines what AWS API protocols have an
   # implementation for what language.
   @configuration %{
+    ec2: %{
+      module: AWS.CodeGen.PostService,
+      template: %{
+        elixir: "post.ex.eex",
+        erlang: "post.erl.eex"
+      }
+    },
     json: %{
       module: AWS.CodeGen.PostService,
       template: %{

lib/aws_codegen/post_service.ex

@@ -11,6 +11,17 @@ defmodule AWS.CodeGen.PostService do
   end
 
   @configuration %{
+    "ec2" => %{
+      content_type: "application/x-www-form-urlencoded",
+      elixir: %{
+        decode: "xml",
+        encode: "query"
+      },
+      erlang: %{
+        decode: "aws_util:decode_xml(Body)",
+        encode: "aws_util:encode_query(Input)"
+      }
+    },
     "query" => %{
       content_type: "application/x-www-form-urlencoded",
       elixir: %{

priv/post.erl.eex

@@ -34,8 +34,9 @@ request(Client, Action, Input, Options) ->
     RequestFun = fun() -> do_request(Client, Action, Input, Options) end,
     aws_request:request(RequestFun, Options).
 
-do_request(Client, Action, Input0, Options) ->
-    Client1 = Client#{service => <<"<%= context.signing_name %>">><%= if context.is_global do %>,
+<%= if context.protocol == "ec2" do %>do_request(Client, _Action, Input0, Options) ->
+<% else %>do_request(Client, Action, Input0, Options) ->
+<% end %>    Client1 = Client#{service => <<"<%= context.signing_name %>">><%= if context.is_global do %>,
                       region => <<"<%= context.credential_scope %>">><% end %>},
     Host = build_host(<<"<%= context.endpoint_prefix %>">>, Client1),
     URL = build_url(Host, Client1),