def self.parse_amqp_url(connection_string)
uri = URI.parse(connection_string)
raise ArgumentError.new("Connection URI must use amqp or amqps schema (example: amqp://bus.megacorp.internal:5766), learn more at http://bit.ly/ks8MXK") unless %w{amqp amqps}.include?(uri.scheme)
opts = {}
opts[:scheme] = uri.scheme
opts[:user] = URI.unescape(uri.user) if uri.user
opts[:pass] = URI.unescape(uri.password) if uri.password
opts[:host] = uri.host if uri.host
opts[:port] = uri.port || AMQ::Client::Settings::AMQP_PORTS[uri.scheme]
opts[:ssl] = uri.scheme == AMQ::Client::Settings::AMQPS
if uri.path =~ %r{^/(.*)}
raise ArgumentError.new("#{uri} has multiple-segment path; please percent-encode any slashes in the vhost name (e.g. /production => %2Fproduction). Learn more at http://bit.ly/amqp-gem-and-connection-uris") if $1.index('/')
opts[:vhost] = URI.unescape($1)
end
opts
end