diff options
Diffstat (limited to 'actionpack/lib')
-rw-r--r-- | actionpack/lib/action_dispatch/http/response.rb | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/actionpack/lib/action_dispatch/http/response.rb b/actionpack/lib/action_dispatch/http/response.rb index 85d9c3be00..f6f63f1f32 100644 --- a/actionpack/lib/action_dispatch/http/response.rb +++ b/actionpack/lib/action_dispatch/http/response.rb @@ -161,6 +161,26 @@ module ActionDispatch # :nodoc: def set_header(key, v); headers[key] = v; end def delete_header(key); headers.delete key; end + # Add a header that may have multiple values. + # + # Example: + # response.add_header 'Vary', 'Accept' + # response.add_header 'Vary', 'Accept-Encoding' + # response.add_header 'Vary', 'Cookie' + # + # assert_equal 'Accept,Accept-Encoding,Cookie', response.get_header 'Vary' + # + # http://www.w3.org/Protocols/rfc2616/rfc2616-sec4.html#sec4.2 + def add_header(key, v) + if v.nil? + get_header key + elsif have_header? key + set_header key, "#{get_header key},#{v}" + else + set_header key, v + end + end + def await_commit synchronize do @cv.wait_until { @committed } |