불친절한자수씨

http://code.google.com/intl/ko/apis/ajaxlanguage/documentation/reference.html 를 통해서 detect 함수의 파라미터를 확인하였으며, http://code.google.com/p/google-api-translate-java/source/browse/trunk/src/com/google/api/translate/Translate.java 에서 실제 소스를 확인하였습니다.


TranslateEx.java
[#M_TranslateEx.java 소스보기|접기|import java.io.BufferedReader; import java.io.InputStream; import java.io.InputStreamReader; import java.net.HttpURLConnection; import java.net.URL; import java.net.URLEncoder; import org.json.JSONObject; import com.google.api.translate.Translate; public class TranslateEx extends Translate { private static final String ENCODING = "UTF-8"; private static final String URL_STRING = "http://ajax.googleapis.com/ajax/services/language/detect?v=1.0"; private static final String TEXT_VAR = "&q="; /** * Google Translate 를 이용하여 파라미터로 받은 text 의 언어 종류를 탐지합니다. * * @param text * 텍스트 * @return 언어 종류 * @throws Exception */ public static String detect(String text) throws Exception { return retrievedetection(text); } /** * HTTP 요청을 하여 결과 JSON 을 파싱하여 언어 종류를 반환합니다. * * @param text * 텍스트 * @return 언어 종류 * @throws Exception */ private static String retrievedetection(String text) throws Exception { try { StringBuilder url = new StringBuilder(); url.append(URL_STRING); url.append(TEXT_VAR).append(URLEncoder.encode(text, ENCODING)); HttpURLConnection uc = (HttpURLConnection) new URL(url.toString()) .openConnection(); try { String result = toString(uc.getInputStream()); JSONObject json = new JSONObject(result); return ((JSONObject) json.get("responseData")) .getString("language"); } finally { // http://java.sun.com/j2se/1.5.0/docs/guide/net/http-keepalive.html uc.getInputStream().close(); if (uc.getErrorStream() != null) uc.getErrorStream().close(); } } catch (Exception ex) { throw new Exception( "[google-api-translate-java] Error retrieving translation.", ex); } } /** * Reads an InputStream and returns its contents as a String. Also effects * rate control. * * @param inputStream * The InputStream to read from. * @return The contents of the InputStream as a String. * @throws Exception */ private static String toString(InputStream inputStream) throws Exception { StringBuilder outputBuilder = new StringBuilder(); try { String string; if (inputStream != null) { BufferedReader reader = new BufferedReader( new InputStreamReader(inputStream, ENCODING)); while (null != (string = reader.readLine())) { outputBuilder.append(string).append('\n'); } } } catch (Exception ex) { throw new Exception( "[google-api-translate-java] Error reading translation stream.", ex); } return outputBuilder.toString(); } }