Returns the accepted MIME type for the request.
# File lib/action_dispatch/http/mime_negotiation.rb, line 30 def accepts @env["action_dispatch.request.accepts"] ||= begin header = @env['HTTP_ACCEPT'].to_s.strip if header.empty? [content_mime_type] else Mime::Type.parse(header) end end end
The MIME type of the HTTP request, such as Mime::XML.
For backward compatibility, the post format is extracted from the X-Post-Data-Format HTTP header if present.
# File lib/action_dispatch/http/mime_negotiation.rb, line 15 def content_mime_type @env["action_dispatch.request.content_type"] ||= begin if @env['CONTENT_TYPE'] =~ /^([^,\;]*)/ Mime::Type.lookup($1.strip.downcase) else nil end end end
# File lib/action_dispatch/http/mime_negotiation.rb, line 25 def content_type content_mime_type && content_mime_type.to_s end
Returns the MIME type for the format used in the request.
GET /posts/5.xml | request.format => Mime::XML GET /posts/5.xhtml | request.format => Mime::HTML GET /posts/5 | request.format => Mime::HTML or MIME::JS, or request.accepts.first
# File lib/action_dispatch/http/mime_negotiation.rb, line 48 def format(view_path = []) formats.first end
Sets the format by string extension, which can be used to force custom formats that are not controlled by the extension.
class ApplicationController < ActionController::Base before_filter :adjust_format_for_iphone private def adjust_format_for_iphone request.format = :iphone if request.env["HTTP_USER_AGENT"][/iPhone/] end end
# File lib/action_dispatch/http/mime_negotiation.rb, line 76 def format=(extension) parameters[:format] = extension.to_s @env["action_dispatch.request.formats"] = [Mime::Type.lookup_by_extension(parameters[:format])] end
# File lib/action_dispatch/http/mime_negotiation.rb, line 52 def formats @env["action_dispatch.request.formats"] ||= if parameters[:format] Array(Mime[parameters[:format]]) elsif use_accept_header && valid_accept_header accepts elsif xhr? [Mime::JS] else [Mime::HTML] end end
Receives an array of mimes and return the first user sent mime that matches the order array.
# File lib/action_dispatch/http/mime_negotiation.rb, line 84 def negotiate_mime(order) formats.each do |priority| if priority == Mime::ALL return order.first elsif order.include?(priority) return priority end end order.include?(Mime::ALL) ? formats.first : nil end
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