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-rw-r--r--actionpack/lib/action_dispatch/http/response.rb10
1 files changed, 6 insertions, 4 deletions
diff --git a/actionpack/lib/action_dispatch/http/response.rb b/actionpack/lib/action_dispatch/http/response.rb
index e8173e2a99..516a2af69a 100644
--- a/actionpack/lib/action_dispatch/http/response.rb
+++ b/actionpack/lib/action_dispatch/http/response.rb
@@ -39,7 +39,7 @@ module ActionDispatch # :nodoc:
super(header)
end
- def []=(k,v)
+ def []=(k, v)
if @response.sending? || @response.sent?
raise ActionDispatch::IllegalStateError, "header already sent"
end
@@ -227,7 +227,9 @@ module ActionDispatch # :nodoc:
return unless content_type
new_header_info = parse_content_type(content_type.to_s)
prev_header_info = parsed_content_type_header
- set_content_type new_header_info.mime_type, new_header_info.charset || prev_header_info.charset || self.class.default_charset
+ charset = new_header_info.charset || prev_header_info.charset
+ charset ||= self.class.default_charset unless prev_header_info.mime_type
+ set_content_type new_header_info.mime_type, charset
end
# Sets the HTTP response's content MIME type. For example, in the controller
@@ -249,7 +251,7 @@ module ActionDispatch # :nodoc:
end
end
- # Sets the HTTP character set. In case of nil parameter
+ # Sets the HTTP character set. In case of +nil+ parameter
# it sets the charset to utf-8.
#
# response.charset = 'utf-16' # => 'utf-16'
@@ -408,7 +410,7 @@ module ActionDispatch # :nodoc:
def parse_content_type(content_type)
if content_type
type, charset = content_type.split(/;\s*charset=/)
- type = nil if type.empty?
+ type = nil if type && type.empty?
ContentTypeHeader.new(type, charset)
else
NullContentTypeHeader