viewpanel.java

该系统是一个基于p2p的即时聊天系统

/*
 * @(#) ViewPanel.java
 * Copyright 2004 HWStudio. All rights reserved.
 */
package hws.item.smart.panel.function.chat;
//导入核心Java类库
import java.io.IOException;
import java.io.StringReader;
import java.awt.Insets;
import java.awt.FlowLayout;
import java.awt.GridBagLayout;
import java.awt.GridBagConstraints;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.net.MalformedURLException;
import java.util.List;
import java.util.Vector;
import javax.swing.JPanel;
import javax.swing.JLabel;
import javax.swing.JButton;
import javax.swing.JTextField;
import javax.swing.JOptionPane;
import javax.swing.JPasswordField;
import javax.swing.event.ChangeEvent;
import javax.swing.event.DocumentEvent;
import javax.swing.event.DocumentListener;
//导入自定义Java类库
import hws.item.smart.Smart;
import hws.item.smart.misc.ImageShop;
import hws.item.smart.misc.SBChanger;
import hws.item.smart.misc.XMLConfig;
import hws.item.smart.misc.BorderShop;
import hws.item.smart.misc.StringShop;
import hws.item.smart.panel.function.chat.misc.OptionalInfoPanel1;
import hws.item.smart.action.chat.view.ResetInfoAction;
import hws.item.smart.action.chat.view.UpdateInfoAction;
import hws.item.smart.utility.chat.UserInfo;
import hws.item.smart.utility.chat.BasicInfo;
//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;
import org.apache.xmlrpc.XmlRpc;
import org.apache.xmlrpc.XmlRpcClient;
import org.apache.xmlrpc.XmlRpcRequest;
import org.apache.xmlrpc.XmlRpcException;
/**
 * 查看信息面板
 *
 * @version 0.1 2005-08-23
 * @author Hwerz
 */
public class ViewPanel extends JPanel {
    /*------------------------------------------------------------------------*
     *                                属性定义                                *
     *------------------------------------------------------------------------*/
    /**
     * 该类自身的一个静态引用
     */
    private static ViewPanel panel;
    /**
     * 基本信息面板
     */
    private BasicInfoPanel basicInfoPanel;
    /**
     * 可选信息面板
     */
    private OptionalInfoPanel2 optionalInfoPanel;
    /*------------------------------------------------------------------------*
     *                                构造函数                                *
     *------------------------------------------------------------------------*/
    /**
     * 构造函数为私有，这样在整个运行过程中该类就只能有一个实例
     */
    private ViewPanel() {
        super(new GridBagLayout());
        //工具栏面板
        GridBagConstraints constraints = new GridBagConstraints(
            //gridx, gridy
            0, 0,
            //gridwidth, gridheight
            1, 1,
            //weightx, weighty
            1.0, 0.0,
            //anchor
            GridBagConstraints.NORTH,
            //fill
            GridBagConstraints.HORIZONTAL,
            //insets
            new Insets(5, 0, 0, 0),
            //ipadx, ipady
            0, 0);
        add(new Toolbar(), constraints);
        //基本信息面板
        basicInfoPanel = new BasicInfoPanel();
        basicInfoPanel.setBorder(BorderShop.BASIC_INFO_BORDER);
        constraints.gridy = 1;
        constraints.insets = new Insets(0, 10, 0, 10);
        add(basicInfoPanel, constraints);
        //可选信息面板
        optionalInfoPanel = new OptionalInfoPanel2();
        optionalInfoPanel.setBorder(BorderShop.OPTIONAL_INFO_BORDER);
        constraints.gridy = 2;
        constraints.weighty = 1.0;
        constraints.fill = GridBagConstraints.BOTH;
        constraints.insets = new Insets(10, 10, 3, 10);
        add(optionalInfoPanel, constraints);
    }
    /*------------------------------------------------------------------------*
     *                                公共方法                                *
     *------------------------------------------------------------------------*/
    /**
     * 对该类提供的一个全局访问点，用来实例化该对象
     *
     * @return 该类唯一的一个实例
     */
    public static ViewPanel getInstance() {
        if (panel == null) {
            panel = new ViewPanel();
        }
        return panel;
    }
    /**
     * 返回当前登录用户的ID
     *
     * @return 当前登录用户的ID
     */
    public String getUserID() {
        return basicInfoPanel.getID();
    }
    /**
     * 返回当前登录用户的昵称
     *
     * @return 当前登录用户的昵称
     */
    public String getUserNickname() {
        return basicInfoPanel.getNickname();
    }
    /**
     * 更新
     */
    public void update() {
        if (getUserID().length() > 0) {
            try {
                XmlRpc.setDriver("org.apache.xerces.parsers.SAXParser");
                XmlRpcClient client = new XmlRpcClient(genURL());
                String response = client.execute(genRequest()).toString();
                SAXBuilder builder = new SAXBuilder();
                StringReader reader = new StringReader(response);
                Document document = builder.build(reader);
                Element root = document.getRootElement();
                String result = root.getChild("Result").getText();
                if (result.equals(StringShop.UPDATE_SUCCESS) == true) {
                    JOptionPane.showMessageDialog(Smart.getInstance(),
                        "更新成功！", StringShop.HINT_TITLE,
                        JOptionPane.INFORMATION_MESSAGE);
                    ResetInfoAction.getInstance().setEnabled(false);
                    UpdateInfoAction.getInstance().setEnabled(false);
                } else {
                    JOptionPane.showMessageDialog(Smart.getInstance(),
                        "更新失败，请稍候再试！", StringShop.HINT_TITLE,
                        JOptionPane.INFORMATION_MESSAGE);
                }
            } catch (ClassNotFoundException e) {
                JOptionPane.showMessageDialog(Smart.getInstance(),
                    "系统找不到类库“org.apache.xerces.parsers.SAXParser”！",
                    StringShop.HINT_TITLE, JOptionPane.INFORMATION_MESSAGE);
            } catch (MalformedURLException e) {
                e.printStackTrace();
            } catch (XmlRpcException e) {
                e.printStackTrace();
            } catch (IOException e) {
                JOptionPane.showMessageDialog(Smart.getInstance(),
                    "更新服务已关闭，请稍候再试！", StringShop.HINT_TITLE,
                    JOptionPane.INFORMATION_MESSAGE);
            } catch (JDOMException e) {
                JOptionPane.showMessageDialog(Smart.getInstance(),
                    "更新失败，请稍候再试！", StringShop.HINT_TITLE,
                    JOptionPane.INFORMATION_MESSAGE);
            }
        }
    }
    /**
     * 重置
     */
    public void reset() {
        if (getUserID().length() > 0) {
            UserInfo userInfo = UserInfo.getRemoteUserInfo(getUserID());
            ViewPanel.getInstance().setValue(userInfo);
            ResetInfoAction.getInstance().setEnabled(false);
        }
    }
    /**
     * 设置显示用户的信息
     *
     * @param info 待设置的用户信息
     */
    public void setValue(UserInfo info) {
        if (info != null) {
            basicInfoPanel.setValue(info.getBasicInfo());
            optionalInfoPanel.setValue(info.getOptionalInfo());
        } else {
            basicInfoPanel.setValue(null);
            optionalInfoPanel.setValue(null);
        }
        ResetInfoAction.getInstance().setEnabled(false);
        UpdateInfoAction.getInstance().setEnabled(false);
    }
    /*------------------------------------------------------------------------*
     *                                私有方法                                *
     *------------------------------------------------------------------------*/
    /**
     * 生成请求URL
     *
     * @return 生成的请求URL
     */
    private String genURL() {
        StringBuffer url = new StringBuffer();
        url.append("http://");
        url.append(XMLConfig.getServicesIP());
        url.append(":");
        url.append(XMLConfig.getUpdatePort());
        url.append("/");
        return url.toString();
    }
    /**
     * 生成XML-RPC请求消息
     *
     * @return 生成的XML-RPC请求消息
     */
    private XmlRpcRequest genRequest() {
        //请求方法
        StringBuffer method = new StringBuffer();
        method.append(XMLConfig.getUpdateClass());
        method.append(".");
        method.append(XMLConfig.getUpdateMethod());
        //请求参数
        Vector params = new Vector();
        XMLOutputter outputter = new XMLOutputter();
        params.addElement(outputter.outputString(genDocument()));
        return new XmlRpcRequest(method.toString(), params);
    }
    /**
     * 生成XML文档
     *
     * @return 生成的XML文档
     */
    private Document genDocument() {
        Element request = new Element("Request");
        Element level1 = new Element("User");
        request.addContent(level1);
        Element level2 = new Element("Basic");
        level1.addContent(level2);
        Element level3 = new Element("ID");
        level3.setText(basicInfoPanel.getID());
        level2.addContent(level3);
        level3 = new Element("Nickname");
        level3.setText(basicInfoPanel.getNickname());
        level2.addContent(level3);
        level3 = new Element("Password");
        level3.setText(basicInfoPanel.getPassword());
        level2.addContent(level3);
        level2 = new Element("Optional");
        level1.addContent(level2);
        level3 = new Element("Name");
        level3.setText(optionalInfoPanel.getName());
        level2.addContent(level3);
        level3 = new Element("Gender");
        level3.setText(optionalInfoPanel.getGender());
        level2.addContent(level3);
        level3 = new Element("Birthday");
        level3.setText(optionalInfoPanel.getBirthday());
        level2.addContent(level3);
        level3 = new Element("Country");