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require 'sinatra/base'
require "sinatra/reloader"
module OpenTox
# Base class for OpenTox services
# Errors are formated according to acccept-header
# Non OpenTox::Errors (defined in error.rb) are handled as internal error (500), stacktrace is logged
class Service < Sinatra::Base
helpers Sinatra::UrlForHelper
# use OpenTox error handling
set :raise_errors, false
set :show_exceptions, false
set :static, false
configure :development do
register Sinatra::Reloader
end
error do
# TODO: set actor, calling OT::Error with uri parameter does not work
error = request.env['sinatra.error']
#error.report.actor = "#{request.env['rack.url_scheme']}://#{request.env['HTTP_HOST']}#{request.env['REQUEST_URI']}"
case request.env['HTTP_ACCEPT']
when 'application/rdf+xml'
content_type 'application/rdf+xml'
when /html/
content_type 'text/html'
when "text/n3"
content_type "text/n3"
else
content_type "text/turtle"
end
if error.respond_to? :report
case request.env['HTTP_ACCEPT']
when 'application/rdf+xml'
body = error.report.to_rdfxml
when /html/
body = error.report.to_yaml
when "text/n3"
body = error.report.to_ntriples
else
body = error.report.to_turtle
end
else
content_type "text/plain"
body = error.message
body += "\n#{error.backtrace}"
end
code = error.http_code if error.respond_to? :http_code
code ||= 500
halt code, error.report.to_turtle
end
end
end
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