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Contents
# encoding: utf-8
# This file is distributed under New Relic's license terms.
# See https://github.com/newrelic/rpm/blob/master/LICENSE for complete details.
module NewRelic
module CollectionHelper
DEFAULT_TRUNCATION_SIZE=16 * 1024
DEFAULT_ARRAY_TRUNCATION_SIZE=128
# Transform parameter hash into a hash whose values are strictly
# strings
def normalize_params(params)
case params
when Hash
# optimize for empty hash since that is often what this is called with.
return params if params.empty?
new_params = {}
params.each do | key, value |
new_params[truncate(normalize_params(key),64)] = normalize_params(value)
end
new_params
when Symbol, FalseClass, TrueClass, nil
params
when Numeric
truncate(params.to_s)
when String
truncate(params)
when Array
params.first(DEFAULT_ARRAY_TRUNCATION_SIZE).map{|item| normalize_params(item)}
else
truncate(flatten(params))
end
end
private
# Convert any kind of object to a short string.
def flatten(object)
case object
when nil then ''
when object.instance_of?(String) then object
when String then String.new(object) # convert string subclasses to strings
else "#<#{object.class.to_s}>"
end
end
def truncate(string, len=DEFAULT_TRUNCATION_SIZE)
case string
when Symbol then string
when nil then ""
when String
real_string = flatten(string)
if real_string.size > len
real_string = real_string.slice(0...len)
real_string << "..."
end
real_string
else
truncate(flatten(string), len)
end
end
end
end
Version data entries
29 entries across 29 versions & 1 rubygems