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Contents
require 'yaml'
require 'multi_json'
module RubySkynet
module Zookeeper
module Json
# Deserialize from JSON entries in Zookeeper
module Deserializer
def self.deserialize(value)
return value if value.nil? || (value == '')
if value.strip.start_with?('{') || value.strip.start_with?('[{')
symbolize(MultiJson.load(value))
else
symbolize_string(value)
end
end
# Returns the supplied value symbolized
def self.symbolize(v)
if v.is_a?(Hash)
symbolize_hash(v)
elsif v.is_a?(Array)
symbolize_array(v)
elsif v.is_a?(String)
symbolize_string(v)
else
v
end
end
# Returns a new hash updated with keys and values that are strings
# starting with ':' are turned into symbols
def self.symbolize_hash(hash)
h = hash.dup
hash.each_pair do |k, v|
# Convert values in the hash
h[k] = symbolize(v)
# Convert key to a symbol if it is a symbol string
h[k[1..-1].to_sym] = h.delete(k) if k.is_a?(String) && k.start_with?(':')
end
h
end
# Returns a new Array with any symbols strings returned as symbols
def self.symbolize_array(a)
a.collect {|v| symbolize(v)}
end
# Returns a new string with the string parsed and symbol string converted to a symbol
def self.symbolize_string(s)
# JSON Parser cannot parse non-hash/array values
value = YAML.load(s)
# Now check for symbols which are strings starting with ':'
value.is_a?(String) && value.start_with?(':') ? value[1..-1].to_sym : value
rescue Exception
s
end
end
end
end
end
Version data entries
16 entries across 16 versions & 1 rubygems