Java调用Google翻译API实现文本互译

Java调用Google的翻译实例2008-06-07 19:37今天在网上乱逛，一不小心发现这个Google翻译，用Java调用的实例，把它拷来看了一下，挺不错的！
原文是英语和法语的互相翻译，我改成中文和英语的，但是好像中文翻译英文时有点问题，翻译不了！其他的都可以用的。
下面是一个截图：

源代码：
package test;

/*
* TranslatorFrame.java
*
* Created on 03 February 2008, 19:47
*/

import com.google.api.translate.Language;
import com.google.api.translate.Translate;
import java.awt.event.KeyEvent;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
*
* @author rich
*/
public class TranslatorFrame extends javax.swing.JFrame {
    
    /** Creates new form TranslatorFrame */
    public TranslatorFrame() {
        initComponents();
        setLocationRelativeTo(null);
    }

    
    private void translate() {
        try {
            String languageFrom = null;
            String languageTo = null;
            if (chineseToEnglishMenuItem.isSelected()) {
                languageFrom = Language.CHINESE_SIMPLIFIED;
                languageTo = Language.ENGLISH;
            } else if (englishToChineseMenuItem.isSelected()) {
                languageFrom = Language.ENGLISH;
                languageTo = Language.CHINESE_SIMPLIFIED;
            }
            toTextArea.setText(Translate.translate(fromTextArea.getText().trim(), languageFrom, languageTo));
        } catch (Exception ex) {
            Logger.getLogger(TranslatorFrame.class.getName()).log(Level.SEVERE, null, ex);
        }
    }
    
    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    // <editor-fold defaultstate="collapsed" desc="Generated Code">
    private void initComponents() {

        buttonGroup1 = new javax.swing.ButtonGroup();
        jPanel2 = new javax.swing.JPanel();
        jScrollPane1 = new javax.swing.JScrollPane();
        fromTextArea = new javax.swing.JTextArea();