local xml = require("LuaXml")
require("os")
local cjson = require "cjson"

local path = ngx.var.request:split(" ")[2]
local m = ngx.re.match(path,[=[/([^/]+)\.(json|xml)$]=]) -- match last word
local res = ngx.location.capture("/v1/word/".. m[1] .. ".json" )
local value=cjson.new().decode(res.body)

local response = xml.new("response")

response.word= xml.new("word")
response.sentiment = xml.new("sentiment")
response.timestamp = xml.new("timestamp")
table.insert(response.word, value.word)
table.insert(response.sentiment, value.sentiment)
table.insert(response.timestamp, os.date())

ngx.say('<?xml version="1.0" encoding="UTF-8"?>', xml.str(response,0))