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Contents
require_relative '../../../core/header_collection'
module Datadog
module Tracing
module Contrib
module Rack
# Classes and utilities for handling headers in Rack.
module Header
# An implementation of a header collection that looks up headers from a Rack environment.
class RequestHeaderCollection < Datadog::Core::HeaderCollection
# Creates a header collection from a rack environment.
def initialize(env)
super()
@env = env
end
# Gets the value of the header with the given name.
def get(header_name)
@env[Header.to_rack_header(header_name)]
end
# Tests whether a header with the given name exists in the environment.
def key?(header_name)
@env.key?(Header.to_rack_header(header_name))
end
end
def self.to_rack_header(name)
"HTTP_#{name.to_s.upcase.gsub(/[-\s]/, '_')}"
end
end
end
end
end
end
Version data entries
15 entries across 15 versions & 1 rubygems