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require 'sinatra/base'
# Error handling
# Errors are logged as error and formated according to acccept-header
# Non OpenTox::Errors (defined in error.rb) are handled as internal error (500), stacktrace is logged
# IMPT: set sinatra settings :show_exceptions + :raise_errors to false in config.ru, otherwise Rack::Showexceptions takes over
module OpenTox
class Service < Sinatra::Base
set :raise_errors, false
set :show_exceptions, false
error do
#TODO: add actor to error report
#actor = "#{request.env['rack.url_scheme']}://#{request.env['HTTP_HOST']}#{request.env['REQUEST_URI']}"
error = request.env['sinatra.error']
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/n3"
end
if error.respond_to? :report
code = error.report.http_code
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_ntriples
end
else
content_type "text/plain"
body = error.message
body += "\n#{error.backtrace}"
end
halt code, body
end
end
end
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