dictionary.java

用java 实现屏幕取词技术

/*
 * Dictionary.java
 *
 * Created on 2007-7-4, 18:45:51
 *
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package dyno.swing.beans;

import java.io.IOException;
import java.io.InputStream;
import java.util.HashMap;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;

/**
 *
 * @author William Chen
 */
public class Dictionary extends HashMap<String, String> {

    private static Dictionary instance;
    static {
        loadDict();
    }

    private static void loadDict() {
        try {
            instance = new dyno.swing.beans.Dictionary();
            InputStream input = Dictionary.class.getResourceAsStream("dictionary.xml");
            Document root = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(input);
            Element rootElement = root.getDocumentElement();
            NodeList list = rootElement.getElementsByTagName("word");
            if (list != null) {
                for (int i = 0; i < list.getLength(); i++) {
                    Element wordElement = (org.w3c.dom.Element) list.item(i);
                    String english = wordElement.getAttribute("english");
                    String chinese = wordElement.getAttribute("chinese");
                    instance.put(english, chinese);
                }
            }
        } catch (ParserConfigurationException ex) {
            Logger.getLogger("global").log(Level.SEVERE, null, ex);
        } catch (SAXException ex) {
            Logger.getLogger("global").log(Level.SEVERE, null, ex);
        } catch (IOException ex) {
            Logger.getLogger("global").log(Level.SEVERE, null, ex);
        }
    }

    public static Dictionary getInstance() {
        return instance;
    }
}