Created
September 27, 2012 11:33
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Rails: Default format using header-based content negotiation
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class FoosController < ApplicationController | |
respond_to :atom, :api_v1 | |
before_filter :set_default_format | |
def index | |
@foos = Foo.all | |
respond_to do |format| | |
format.xml { render :xml => @foos.to_xml } | |
format.api_v1 { render :json => @foos.to_json } | |
end | |
end | |
protected | |
# why do I need to do this? If I set :defaults => { :format => :xml } | |
# on my route then I only ever get that as the format even if | |
# the client sends an Accept header | |
def set_default_format | |
request.format = :xml if params[:format].nil? && request.headers["HTTP_ACCEPT"].nil? | |
end | |
end |
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Mime::Type.register "application/vnd.foos.api.v1+json", :api_v1 |
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MyApp::Application.routes.draw do | |
get 'foos', :to => 'foos#index', :as 'foos' | |
end |
@urbanautomaton Thanks, at least I'm not going mental. Re: the "file extension" thing, is it 1998 all over again or something?
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But hey, don't worry about the Accept header, it's a vestigial bit of nonsense that will soon be ignored completely in favour of that well-known part of the HTTP spec, "file extension": https://twitter.com/steveklabnik/status/243115995370233856