groovy language detection

lang.groovy

// Language detection and translation thanks to the Google language APIs
// Script inspired by Glen Smith's article: 
// http://blogs.bytecode.com.au/glen/2009/07/30/getting-groovy-with-google-language-translation-apis.html

def text =  URLEncoder.encode("J'ai envie de manger des fraises", "UTF-8")

def detectUrl = "http://www.google.com/uds/GlangDetect?v=1.0&q=${text}".toURL()
def langGuessResponse = jsonToGroovyMap(detectUrl.text)
def lang = langGuessResponse.responseData.language

println "Lang is: ${lang}"

def targetLang = "en"

def translateUrl = "http://www.google.com/uds/Gtranslate?v=1.0&q=${text}&langpair=${lang}%7C${targetLang}".toURL()
def translationResponse = jsonToGroovyMap(translateUrl.text)
def translation = translationResponse.responseData.translatedText

println "Translation is: ${translation}"

/**
 * Converts a JSON string into a Groovy map.
 * The difference lies in the difference in map notation: {:} in JSON vs [:] in Groovy
 */
def jsonToGroovyMap(jsonString) {
    new GroovyShell().evaluate(jsonString.replaceAll(/}/, ']').replaceAll(/\{/, '['))
}​