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Contents
module NewRelic
module CollectionHelper
DEFAULT_TRUNCATION_SIZE=256
DEFAULT_ARRAY_TRUNCATION_SIZE=1024
# Transform parameter hash into a hash whose values are strictly
# strings
def normalize_params(params)
case params
when Symbol, FalseClass, TrueClass, nil
params
when Numeric
truncate(params.to_s)
when String
truncate(params)
when Hash
new_params = {}
params.each do | key, value |
new_params[truncate(normalize_params(key),32)] = normalize_params(value)
end
new_params
when Array
params.first(DEFAULT_ARRAY_TRUNCATION_SIZE).map{|item| normalize_params(item)}
else
truncate(flatten(params))
end
end
# Return an array of strings (backtrace), cleaned up for readability
# Return nil if there is no backtrace
def strip_nr_from_backtrace(backtrace)
if backtrace
# this is for 1.9.1, where strings no longer have Enumerable
backtrace = backtrace.split("\n") if String === backtrace
backtrace = backtrace.reject {|line| line =~ /new_?relic/ }
# rename methods back to their original state
backtrace = backtrace.collect {|line| line.to_s.gsub(/_without_(newrelic|trace)/, "")}
end
backtrace
end
private
# Convert any kind of object to a short string.
def flatten(object)
s = 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
9 entries across 9 versions & 2 rubygems