property NSString : a reference to current application’s NSString
property NSURLQueryItem : a reference to current application’s NSURLQueryItem
property NSURLConnection : a reference to current application’s NSURLConnection
property NSJSONSerialization : a reference to current application’s NSJSONSerialization
property NSURLComponents : a reference to current application’s NSURLComponents
property NSMutableDictionary : a reference to current application’s NSMutableDictionary
property NSMutableURLRequest : a reference to current application’s NSMutableURLRequest
property NSUTF8StringEncoding : a reference to current application’s NSUTF8StringEncoding

set aSentense to "a birthday cake with lit candles"
set bSentense to retTranslatedString("en", "ja", aSentense) of me
–> "キャンドルライト付きの誕生日ケーキ"–Japanese

set cSentense to retTranslatedString("en", "de", aSentense) of me
–> "eine Geburtstagstorte mit brennenden Kerzen"–Deutsch

on retTranslatedString(fromLang, toLang, aSentense)
　　set myAPIKey to retAPIKey() of me
　　set aRec to {|key|:myAPIKey, source:fromLang, |format|:"text", target:toLang, q:aSentense}
　　set aURL to "https://www.googleapis.com/language/translate/v2"
　　set bURL to retURLwithParams(aURL, aRec) of me
　　set aRes to callRestPOSTAPIAndParseResults(bURL) of me
　　
　　set aRESCode to responseCode of aRes
　　if aRESCode is not equal to 200 then return ""
　　set aRESHeader to responseHeader of aRes
　　set aRESTres to (translatedText of (first item of translations of |data| of json of aRes)) as string
　　return aRESTres
end retTranslatedString

–POST methodのREST APIを呼ぶ
on callRestPOSTAPIAndParseResults(aURL)
　　set aRequest to NSMutableURLRequest’s requestWithURL:(current application’s |NSURL|’s URLWithString:aURL)
　　aRequest’s setHTTPMethod:"POST"
　　aRequest’s setValue:"application/x-www-form-urlencoded" forHTTPHeaderField:"Content-Type"
　　
　　set aRes to NSURLConnection’s sendSynchronousRequest:aRequest returningResponse:(reference) |error|:(missing value)
　　set resList to aRes as list
　　
　　set bRes to contents of (first item of resList)
　　set resStr to NSString’s alloc()’s initWithData:bRes encoding:(NSUTF8StringEncoding)
　　
　　set jsonString to NSString’s stringWithString:resStr
　　set jsonData to jsonString’s dataUsingEncoding:(NSUTF8StringEncoding)
　　set aJsonDict to NSJSONSerialization’s JSONObjectWithData:jsonData options:0 |error|:(missing value)
　　
　　–Get Response Code & Header
　　set dRes to contents of second item of resList
　　if dRes is not equal to missing value then
　　　　set resCode to (dRes’s statusCode()) as number
　　　　set resHeaders to (dRes’s allHeaderFields()) as record
　　else
　　　　set resCode to 0
　　　　set resHeaders to {}
　　end if
　　
　　return {json:aJsonDict, responseCode:resCode, responseHeader:resHeaders}
end callRestPOSTAPIAndParseResults

on retURLwithParams(aBaseURL, aRec)
　　set aDic to NSMutableDictionary’s dictionaryWithDictionary:aRec
　　
　　set aKeyList to (aDic’s allKeys()) as list
　　set aValList to (aDic’s allValues()) as list
　　set aLen to length of aKeyList
　　
　　set qList to {}
　　repeat with i from 1 to aLen
　　　　set aName to contents of item i of aKeyList
　　　　set aVal to contents of item i of aValList
　　　　set the end of qList to (NSURLQueryItem’s queryItemWithName:aName value:aVal)
　　end repeat
　　
　　set aComp to NSURLComponents’s alloc()’s initWithString:aBaseURL
　　aComp’s setQueryItems:qList
　　set aURL to (aComp’s |URL|()’s absoluteString()) –as text
　　
　　return aURL
end retURLwithParams

on retAPIKey()
　　return "XXxxXxXXXxXxX-XxXXxXXXxxxxXXXXxXxXXxXXX"
end retAPIKey