javamailframe.java

使用JavaMail开发的具有发送、接收邮件的应用

/*
 * JavaMailFrame.java
 *
 * Created on 2008年7月30日, 上午11:17
 */
package hjx.recvmail;

import com.sun.mail.pop3.POP3Folder;
import hjx.sendmail.WaitingWindow;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.PrintStream;
import java.io.UnsupportedEncodingException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.Properties;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.mail.Address;
import javax.mail.FetchProfile;
import javax.mail.Folder;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Multipart;
import javax.mail.Part;
import javax.mail.Session;
import javax.mail.Store;
import javax.mail.UIDFolder;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeUtility;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.table.DefaultTableModel;

/**
 *
 * @author  hujx
 */
public class JavaMailFrame extends javax.swing.JFrame {

    MailAccount account;
    POP3Folder folder;
    ArrayList<InMessage> inMsgs = new ArrayList<InMessage>();
    ArrayList<String> UIDs = new ArrayList<String>();
    ImageIcon attachIco = new ImageIcon(getClass().getResource("/img/attachment.gif"));
    WaitingWindow waitDlg;

    /** Creates new form JavaMailFrame */
    public JavaMailFrame(MailAccount account) {
        this.account = account;
        initComponents();
        
        try {
            ObjectInputStream in = new ObjectInputStream(new FileInputStream(new File(account.host + account.userName + ".dat")));
            UIDs = (ArrayList<String>)in.readObject();
            inMsgs = (ArrayList<InMessage>) in.readObject();
            in.close();
            
            for (InMessage inMsg :inMsgs) {
                ImageIcon ico = null;
                if (inMsg.attaches != null && inMsg.attaches.size() > 0)
                    ico = attachIco;
                ((DefaultTableModel) jTable1.getModel()).addRow(new Object[]{inMsg.send, inMsg.subject, inMsg.sentDate, inMsg.size, inMsg, ico});
            }

        } catch (Exception ex) {
            Logger.getLogger(JavaMailFrame.class.getName()).log(Level.SEVERE, null, ex);
        }
        
        this.jTable1.getColumnModel().removeColumn(jTable1.getColumn("message"));
        this.setExtendedState(JFrame.MAXIMIZED_BOTH);
    }

    /** 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.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        jToolBar1 = new javax.swing.JToolBar();
        btnRecv = new javax.swing.JButton();
        jScrollPane1 = new javax.swing.JScrollPane();
        jTable1 = new javax.swing.JTable();

        setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);

        jToolBar1.setRollover(true);

        btnRecv.setText("收取");
        btnRecv.setFocusable(false);
        btnRecv.setHorizontalTextPosition(javax.swing.SwingConstants.CENTER);
        btnRecv.setVerticalTextPosition(javax.swing.SwingConstants.BOTTOM);
        btnRecv.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnRecvActionPerformed(evt);
            }
        });
        jToolBar1.add(btnRecv);

        getContentPane().add(jToolBar1, java.awt.BorderLayout.NORTH);

        jTable1.setModel(new javax.swing.table.DefaultTableModel(
            new Object [][] {

            },
            new String [] {
                "发件人", "主题", "日期", "大小", "message", "附件"
            }
        ) {
            boolean[] canEdit = new boolean [] {
                false, false, false, false, false, false
            };

            public boolean isCellEditable(int rowIndex, int columnIndex) {
                return canEdit [columnIndex];
            }

            public Class getColumnClass(int columnIndex) {
                if (columnIndex < 5)
                return Object.class;
                else
                return ImageIcon.class;
            }
        });
        jTable1.addMouseListener(new java.awt.event.MouseAdapter() {
            public void mouseClicked(java.awt.event.MouseEvent evt) {
                jTable1MouseClicked(evt);
            }
        });
        jScrollPane1.setViewportView(jTable1);

        getContentPane().add(jScrollPane1, java.awt.BorderLayout.CENTER);

        pack();
    }// </editor-fold>//GEN-END:initComponents

private void btnRecvActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnRecvActionPerformed
// TODO add your handling code here:
    if (waitDlg == null) {
        waitDlg = new WaitingWindow(this);
    }
    
    Thread recThread = new Thread(new Runnable() {

        public void run() {
            JavaMailFrame.this.setEnabled(false);
            
            try {
                
                // Create empty properties
                Properties props = new Properties();
                // Get session
                Session session = Session.getInstance(props, null);
                // Get the store
                session.setDebug(true);
                
                Store store = session.getStore("pop3");
                store.connect(account.host, account.userName, account.passWord);
                // Get folder
                folder = (POP3Folder) store.getFolder("INBOX");
                folder.open(Folder.READ_ONLY);

                FetchProfile profile = new FetchProfile(); 
                profile.add(UIDFolder.FetchProfileItem.UID); 
//                profile.add(FetchProfile.Item.ENVELOPE);  //取回头部

                // Get directory
                Message message[] = folder.getMessages();
                folder.fetch(message, profile); //执行UIDL
                for (int i = 0, n = message.length; i < n; i++) {
                    if (!UIDs.contains(folder.getUID(message[i])))  
                        addToTable((MimeMessage)message[i]);
                }

                folder.close(false);
                store.close();
                
                JavaMailFrame.this.setEnabled(true);
                waitDlg.setVisible(false);
            } catch (Exception ex) {
                JavaMailFrame.this.setEnabled(true);
                waitDlg.setVisible(false);
                JOptionPane.showMessageDialog(JavaMailFrame.this, "连接失败！");
                ex.printStackTrace();
            } finally {
                    ObjectOutputStream out = null;
                    try {
                        out = new ObjectOutputStream(new FileOutputStream(new File(account.host + account.userName + ".dat")));
                        out.writeObject(UIDs);
                        out.writeObject(inMsgs);
                        out.close();
                    } catch (Exception ex) {
                        Logger.getLogger(JavaMailFrame.class.getName()).log(Level.SEVERE, null, ex);
                    } finally {
                        try {
                            out.close();
                        } catch (IOException ex) {
                            Logger.getLogger(JavaMailFrame.class.getName()).log(Level.SEVERE, null, ex);
                        }
                    }
            }
            
        }
    });
    recThread.start();
    waitDlg.setVisible(true);
}//GEN-LAST:event_btnRecvActionPerformed

private void jTable1MouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_jTable1MouseClicked
// TODO add your handling code here:
    if (evt.getClickCount() == 2) {  // Double click
        MessageDialog1 msgDlg = new MessageDialog1(this, true);
        msgDlg.showMessage((InMessage)jTable1.getModel().getValueAt(jTable1.getSelectedRow(), 4));