Java client to invoke the Google Translate API

GoogleTranslate.java

package com.mycodefu;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.regex.Pattern;

public class GoogleTranslate {

    public static void main(String[] args) throws IOException {
        String translated = translate("yourapikeyhere", "en", "zh-CN", "hello");
        System.out.println(translated);
    }

    public static String translate(String apiKey, final String sourceLanguage, final String targetLanguage, final String textToTranslate) throws IOException {
        URL url;
        BufferedReader reader = null;
        StringBuilder stringBuilder;
        try {
            url = new URL("https://translation.googleapis.com/language/translate/v2?source=" + sourceLanguage + "&target=" + targetLanguage + "&format=text&q=" + textToTranslate + "&key=" + apiKey);
            HttpURLConnection connection = (HttpURLConnection) url.openConnection();
            connection.setRequestMethod("GET");
            connection.setReadTimeout(15 * 1000);
            connection.connect();

            reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
            stringBuilder = new StringBuilder();

            String line;
            while ((line = reader.readLine()) != null) {
                stringBuilder.append(line + "\n");
            }

            return Pattern.compile(".*\"translatedText\":\\s?\"(.*?)\".*", Pattern.DOTALL).matcher(stringBuilder.toString()).replaceFirst("$1");

        } catch (Exception e) {
            e.printStackTrace();
            throw e;
        } finally {
            if (reader != null) {
                try {
                    reader.close();
                } catch (IOException ioe) {
                    ioe.printStackTrace();
                }
            }
        }
    }

}