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Contents
module Locomotive::Steam
module Middlewares
# When rendering the page, the developer can stop it at anytime by
# raising an PageNotFoundException exception.
# Instead of the page, the 404 not found page will be rendered.
#
# This is particularly helpful with the dynamic routing feature
# to avoid duplicated page content (different urls, same HTTP 200 code but same blank page).
#
class PageNotFound < ThreadSafe
include Concerns::Helpers
include Concerns::Rendering
def _call
begin
self.next
rescue Locomotive::Steam::PageNotFoundException => e
# fetch the 404 error page...
env['steam.page'] = page_finder.find('404')
# ... and render it instead
render_page
end
end
private
def page_finder
services.page_finder
end
end
end
end
Version data entries
13 entries across 13 versions & 1 rubygems