useraccountsetui.java

自己编写的邮件管理系统程序源代码,方便管理自己的邮件

package mail.ui;

import java.awt.Color;
import java.awt.Rectangle;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;

import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPasswordField;
import javax.swing.JTextField;

public class UserAccountSetUI extends JFrame implements ActionListener
{
    JLabel labAccount = new JLabel();

    JTextField tfAccount = new JTextField();

    JLabel labPsw = new JLabel();

    JLabel labPsw2 = new JLabel();

    JTextField tfSMTP = new JTextField();

    JLabel labSMTP = new JLabel();

    JTextField tfPOP3 = new JTextField();

    JLabel labPOP3 = new JLabel();

    JButton bEnter = new JButton();

    JButton bCancel = new JButton();

    JPasswordField tfPsw = new JPasswordField();

    JPasswordField tfPsw2 = new JPasswordField();

    /**
     * 邮件客户端
     */
    private MailClientUI mailClient;

    public UserAccountSetUI(MailClientUI mailClient)
    {
        initUI();
        this.mailClient = mailClient;
    }

    private void initUI()
    {

        this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        JFrame.setDefaultLookAndFeelDecorated(true);

        labAccount.setBorder(BorderFactory.createLineBorder(Color.black));
        labAccount.setText("  您的邮箱帐号");
        labAccount.setBounds(new Rectangle(51, 40, 86, 34));
        this.getContentPane().setBackground(Color.lightGray);
        this.getContentPane().setLayout(null);
        tfAccount.setBorder(BorderFactory.createLineBorder(Color.black));
        tfAccount.setBounds(new Rectangle(153, 40, 232, 34));
        labPsw.setBorder(BorderFactory.createLineBorder(Color.black));
        labPsw.setText("      邮箱密码");
        labPsw.setBounds(new Rectangle(51, 93, 86, 34));
        labPsw2.setBounds(new Rectangle(51, 146, 86, 34));
        labPsw2.setText(" 邮箱密码确认");
        labPsw2.setBorder(BorderFactory.createLineBorder(Color.black));
        tfSMTP.setBounds(new Rectangle(153, 198, 232, 34));
        tfSMTP.setBorder(BorderFactory.createLineBorder(Color.black));
        labSMTP.setBounds(new Rectangle(51, 198, 86, 34));
        labSMTP.setText("  SMTP服务器");
        labSMTP.setBorder(BorderFactory.createLineBorder(Color.black));
        tfPOP3.setBounds(new Rectangle(153, 251, 232, 34));
        tfPOP3.setBorder(BorderFactory.createLineBorder(Color.black));
        labPOP3.setBounds(new Rectangle(51, 251, 86, 34));
        labPOP3.setText("  POP3服务器");
        labPOP3.setBorder(BorderFactory.createLineBorder(Color.black));
        bEnter.setBackground(Color.white);
        bEnter.setBorder(BorderFactory.createLineBorder(Color.black));
        bEnter.setText("确定");
        bEnter.setBounds(new Rectangle(82, 301, 113, 38));
        bCancel.setBackground(Color.white);
        bCancel.setBorder(BorderFactory.createLineBorder(Color.black));
        bCancel.setText("取消");
        bCancel.setBounds(new Rectangle(214, 301, 113, 38));
        tfPsw.setBorder(BorderFactory.createLineBorder(Color.black));
        tfPsw.setBounds(new Rectangle(153, 93, 232, 34));
        tfPsw2.setBounds(new Rectangle(153, 146, 232, 34));
        tfPsw2.setBorder(BorderFactory.createLineBorder(Color.black));
        this.getContentPane().add(labAccount, null);
        this.getContentPane().add(labPsw, null);
        this.getContentPane().add(tfAccount, null);
        this.getContentPane().add(labPsw2, null);
        this.getContentPane().add(labSMTP, null);
        this.getContentPane().add(tfSMTP, null);
        this.getContentPane().add(labPOP3, null);
        this.getContentPane().add(tfPOP3, null);
        this.getContentPane().add(bEnter, null);
        this.getContentPane().add(bCancel, null);
        this.getContentPane().add(tfPsw, null);
        this.getContentPane().add(tfPsw2, null);

        this.bCancel.addActionListener(this);
        this.bEnter.addActionListener(this);

        this.setSize(450, 400);
        this.setLocation(100, 50);
        this.setTitle("设置邮箱帐户窗口");
    }

    public static void main(String[] args)
    {
        new UserAccountSetUI(new MailClientUI()).setVisible(true);
    }

    public void actionPerformed(ActionEvent e)
    {
        if (e.getSource().equals(this.bEnter))
        {
            saveSetting();
        } else if (e.getSource().equals(this.bCancel))
        {
            cancel();
        }
    }

    /**
     * 保存设置
     */
    private void saveSetting()
    {
        if (checkSeting() == 1)
        {
            mailClient.setEmailName(this.tfAccount.getText().trim());  
            mailClient.setEmailPsw(new String(tfPsw.getPassword()));
            mailClient.setPop3Server(this.tfPOP3.getText().trim());
            mailClient.setSmtpServer(this.tfSMTP.getText().trim());
            save();
        }
    }

    private void save()
    {
        try
        {
            File nowdir = new File(".").getAbsoluteFile();
            String dirString = nowdir.toString();
            String subs = dirString.substring(0, dirString.length() - 1);
            File fileInfo = new File(subs + "info/");
            if (!fileInfo.exists())
                fileInfo.mkdir();

            File serverInfo = new File(fileInfo, "mail.ini");
            FileWriter fw = new FileWriter(serverInfo);
            writeOneLine(fw, mailClient.getEmailName());
            writeOneLine(fw, mailClient.getEmailPsw());
            writeOneLine(fw, mailClient.getSmtpServer());
            writeOneLine(fw, mailClient.getPop3Server());
            fw.close();
            JOptionPane.showMessageDialog(this, "您的设置信息已经被成功保存");
            this.setVisible(false);
            
            mailClient.getReceiveUI().setVisible(true);
        } catch (FileNotFoundException fnfe)
        {
            error("无法找到文件：" + fnfe.getMessage());
        } catch (IOException ioe)
        {
            error("打开文件过程中发生IO错误:" + ioe.getMessage());
        } catch (Exception e)
        {
            error("非预知错误:" + e.getMessage());
        }
    }

    private void writeOneLine(FileWriter fw, String line) throws IOException
    {
        fw.write(line+"\r\n");
    }

    /**
     * 检查设置
     */
    private int checkSeting()
    {
        if (this.tfAccount.getText().trim().equals(""))
        {
            error("错误设置提示：您必须输入email帐号");
            return 0;
        }
        if (this.tfAccount.getText().trim().indexOf("@") < 0)
        {
            error("错误设置提示：您必须输入正确的email帐号");
            return 0;
        }
        if (this.tfPsw.getPassword().length==0)
        {
            error("错误设置提示：您必须输入email密码");
            return 0;
        }
        String psw1=new String(tfPsw.getPassword());
        String psw2=new String(tfPsw2.getPassword());
        if (!psw1.equals(psw2))
        {
            error("错误设置提示：您两次输入的密码不一致");
            return 0;
        }
        if (this.tfSMTP.getText().trim().equals(""))
        {
            error("错误设置提示：您必须输入SMTP服务器（IP或服务器名）");
            return 0;
        }
        if (this.tfPOP3.getText().trim().equals(""))
        {
            error("错误设置提示：您必须输入POP3服务器（IP或服务器名）");
            return 0;
        }

        return 1;
    }

    /**
     * 取消设置
     */
    private void cancel()
    {
        this.setVisible(false);
        mailClient.getReceiveUI().setVisible(true);
    }
    public void setVisibleTrue()
    {
        this.setVisible(true);

        if(mailClient.getEmailName()!=null) this.tfAccount.setText(mailClient.getEmailName());
        if(mailClient.getSmtpServer()!=null) this.tfSMTP.setText(mailClient.getSmtpServer());
        if(mailClient.getPop3Server()!=null) this.tfPOP3.setText(mailClient.getPop3Server());
    }

    /**
     * 显示错误信息
     * 
     * @param errorInfo
     */
    private synchronized void error(String errorInfo)
    {
        if (mailClient != null)
            mailClient.errorLog(errorInfo);
        JOptionPane.showMessageDialog(this, errorInfo);
    }
}