registerhandler.java

该系统是一个基于p2p的即时聊天系统

/*
 * @(#) RegisterHandler.java
 * Copyright 2004 HWStudio. All rights reserved.
 */
package hws.item.smart.utility.admin;
//导入核心Java类库
import java.io.IOException;
import java.io.StringReader;
//导入自定义Java类库
import hws.item.smart.panel.function.admin.FilePanel;
import hws.item.smart.panel.function.admin.UserPanel;
import hws.item.smart.panel.function.admin.FriendPanel;
import hws.item.smart.panel.function.admin.GettingPanel;
import hws.item.smart.panel.function.admin.SettingPanel;
import hws.item.smart.panel.function.admin.RegisterPanel;
//导入第三方Java类库
import org.jdom.Element;
import org.jdom.Document;
import org.jdom.JDOMException;
import org.jdom.input.SAXBuilder;
import org.jdom.output.XMLOutputter;
/**
 * 注册处理器
 *
 * @version 0.1 2005-08-25
 * @author Hwerz
 */
public class RegisterHandler extends Object {
    /*------------------------------------------------------------------------*
     *                                公共方法                                *
     *------------------------------------------------------------------------*/
    /**
     * 用户注册
     *
     * @param requestMsg 用户注册的请求信息
     * @return 用户注册的响应信息
     */
    public String register(String requestMsg) {
        String id = XMLAccessor.genUserID();
        try {
            SAXBuilder builder = new SAXBuilder();
            StringReader reader = new StringReader(requestMsg);
            Document document = builder.build(reader);
            Element request = document.getRootElement();
            Element user = (Element) request.getChild("User").clone();
            Element basic = user.getChild("Basic");
            basic.getChild("ID").setText(id);
            XMLAccessor.addUser(user, true);
            RegisterPanel.getInstance().register(id,
                basic.getChild("Nickname").getText(),
                basic.getChild("Password").getText());
            FilePanel.getInstance().refresh();
            UserPanel.getInstance().refresh();
            FriendPanel.getInstance().refresh();
            GettingPanel.getInstance().refresh();
            SettingPanel.getInstance().refresh();
        } catch (JDOMException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        XMLOutputter outputter = new XMLOutputter();
        Element response = new Element("Response");
        Element element = new Element("ID");
        element.setText(id);
        response.addContent(element);
        return outputter.outputString(new Document(response));
    }
}