usermanagerpanel.java

用java写的ftp服务器程序

// $Id: UserManagerPanel.java 306698 2005-09-07 05:06:22Z rana_b $
/*
 * Copyright 2004 The Apache Software Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.ftpserver.gui;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import java.util.Iterator;
import java.util.Random;

import org.apache.ftpserver.ftplet.FtpException;
import org.apache.ftpserver.ftplet.User;
import org.apache.ftpserver.ftplet.UserManager;
import org.apache.ftpserver.interfaces.IFtpConfig;
import org.apache.ftpserver.usermanager.BaseUser;

import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JComboBox;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JPasswordField;
import javax.swing.JTextField;
import javax.swing.SwingConstants;

/**
 * User management panel.
 * 
 * @author <a href="mailto:[e-mail]">Rana Bhattacharyya</a>
 */
public 
class UserManagerPanel extends PluginPanel implements ActionListener {

    private static final long serialVersionUID = 2496923918460548623L;

    private final static Random PASS_GEN = new Random(System.currentTimeMillis()); 
    
    private final static Object[] BYTE_RATES = {
        "No limit",
        new Integer(1200),
        new Integer(2400),
        new Integer(4800),
        new Integer(9600),
        new Integer(14400),
        new Integer(28800),    
        new Integer(57600),
        new Integer(115200)    
    };                   
    
    private final static Object[] IDLE_SECONDS = {
        "No limit",
        new Integer(60),
        new Integer(300),
        new Integer(900),
        new Integer(1800),
        new Integer(3600)    
    };
    
    private IFtpConfig m_fconfig;                  
    
    private JComboBox m_userLst;
    private JTextField m_nameTxt;
    
    private JPasswordField m_passwordTxt;
    private JPasswordField m_retypePasswordTxt;
    private JCheckBox m_passwordChkBox;
    
    private JTextField m_directoryTxt;
    private JCheckBox m_enabledChkBox;
    private JCheckBox m_writeChkBox;
    private JComboBox m_idleLst;
    private JComboBox m_uploadLst;
    private JComboBox m_downloadLst;
    
    /**
     * Constructor - create all UI components.
     */
    public UserManagerPanel(PluginPanelContainer container) {
        super(container);
        initComponents();
    }
    
    /**
     * Initial all UI components.
     */
    private void initComponents() {
        
        setLayout(new BorderLayout());
        
        JPanel topPanel = new JPanel(new GridBagLayout()); 
        topPanel.setBorder(BorderFactory.createEtchedBorder());
        GridBagConstraints gc = new GridBagConstraints();
        gc.insets = new Insets(4, 0, 0, 5);
        add(topPanel, BorderLayout.CENTER);
        int yindex = -1;        

        // user list
        m_userLst = new JComboBox();
        m_userLst.addActionListener(this);
        m_userLst.setPreferredSize(new Dimension(120, 22));
        gc.gridx = 0;
        gc.gridy = ++yindex;
        gc.gridwidth = 3;
        gc.anchor = GridBagConstraints.CENTER;
        topPanel.add(m_userLst, gc);
        
        // user name
        JLabel nameLab = new JLabel("Name :: ");
        nameLab.setHorizontalAlignment(JLabel.RIGHT);
        nameLab.setForeground(Color.black);
        gc.gridx = 0;
        gc.gridy = ++yindex;
        gc.gridwidth = 1;
        gc.anchor = GridBagConstraints.EAST;
        topPanel.add(nameLab, gc);
         
        m_nameTxt = new JTextField();
        m_nameTxt.setColumns(12);
        gc.gridx = 1;
        gc.gridy = yindex;
        gc.gridwidth = 2;
        gc.anchor = GridBagConstraints.WEST;
        topPanel.add(m_nameTxt, gc);
        
        // password
        JLabel passwordLab = new JLabel("Password :: ");
        passwordLab.setHorizontalAlignment(JLabel.RIGHT);
        passwordLab.setForeground(Color.black);
        gc.gridx = 0;
        gc.gridy = ++yindex;
        gc.gridwidth = 1;
        gc.anchor = GridBagConstraints.EAST;
        topPanel.add(passwordLab, gc);        
        
        m_passwordTxt = new JPasswordField();
        m_passwordTxt.setColumns(12);
        gc.gridx = 1;
        gc.gridy = yindex;
        gc.gridwidth = 2;
        gc.anchor = GridBagConstraints.WEST;
        topPanel.add(m_passwordTxt, gc);

        JButton generatePassBtn = new JButton("Generate");
        generatePassBtn.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent evt) {
                generatePassword();
            }
         });
        generatePassBtn.setPreferredSize(new Dimension(90, 22));
        gc.gridx = 2;
        gc.gridy = yindex;
        gc.gridwidth = 1;
        gc.anchor = GridBagConstraints.WEST;
        topPanel.add(generatePassBtn, gc);
        
        // retype password
        JLabel retypePasswordLab = new JLabel("Retype Password :: ");
        retypePasswordLab.setHorizontalAlignment(JLabel.RIGHT);
        retypePasswordLab.setForeground(Color.black);
        gc.gridx = 0;
        gc.gridy = ++yindex;
        gc.gridwidth = 1;
        gc.anchor = GridBagConstraints.EAST;
        topPanel.add(retypePasswordLab, gc);
        
        m_retypePasswordTxt = new JPasswordField();
        m_retypePasswordTxt.setColumns(12);
        gc.gridx = 1;
        gc.gridy = yindex;
        gc.gridwidth = 2;
        gc.anchor = GridBagConstraints.WEST;
        topPanel.add(m_retypePasswordTxt, gc);
        
        // set password
        JLabel setPasswordLab = new JLabel("Set Password :: ");
        setPasswordLab.setHorizontalAlignment(JLabel.RIGHT);
        setPasswordLab.setForeground(Color.black);
        gc.gridx = 0;
        gc.gridy = ++yindex;
        gc.gridwidth = 1;
        gc.anchor = GridBagConstraints.EAST;
        topPanel.add(setPasswordLab, gc);
        
        m_passwordChkBox = new JCheckBox();
        m_passwordChkBox.setHorizontalTextPosition(SwingConstants.LEFT);
        gc.gridx = 1;
        gc.gridy = yindex;
        gc.gridwidth = 2;
        gc.anchor = GridBagConstraints.WEST;
        topPanel.add(m_passwordChkBox, gc);

        // root directory
        JLabel directoryLab = new JLabel("Root Directory :: ");
        directoryLab.setHorizontalAlignment(JLabel.RIGHT);
        directoryLab.setForeground(Color.black);
        gc.gridx = 0;
        gc.gridy = ++yindex;
        gc.gridwidth = 1;
        gc.anchor = GridBagConstraints.EAST;
        topPanel.add(directoryLab, gc);
        
        m_directoryTxt = new JTextField("./res/home");
        m_directoryTxt.setColumns(12);
        gc.gridx = 1;
        gc.gridy = yindex;
        gc.gridwidth = 1;
        gc.anchor = GridBagConstraints.WEST;
        topPanel.add(m_directoryTxt, gc); 
        
        JButton directoryBtn = new JButton("Browse");
        directoryBtn.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent evt) {
                String dir = DirChooser.showDialog(UserManagerPanel.this, "Select User Home", null);
                if(dir != null) {
                    m_directoryTxt.setText(dir);
                }
            }
         });
        directoryBtn.setPreferredSize(new Dimension(90, 22));
        gc.gridx = 2;
        gc.gridy = yindex;
        gc.gridwidth = 1;
        gc.anchor = GridBagConstraints.WEST;
        topPanel.add(directoryBtn, gc);
        
        // enable/disable
        JLabel enabledLab = new JLabel("Enabled :: ");
        enabledLab.setHorizontalAlignment(JLabel.RIGHT);
        enabledLab.setForeground(Color.black);
        gc.gridx = 0;
        gc.gridy = ++yindex;
        gc.gridwidth = 1;
        gc.anchor = GridBagConstraints.EAST;
        topPanel.add(enabledLab, gc);

        m_enabledChkBox = new JCheckBox();
        gc.gridx = 1;
        gc.gridy = yindex;
        gc.gridwidth = 2;
        gc.anchor = GridBagConstraints.WEST;
        topPanel.add(m_enabledChkBox, gc);
        
        // write permission
        JLabel writePermLab = new JLabel("Write Permission :: ");
        writePermLab.setHorizontalAlignment(JLabel.RIGHT);
        writePermLab.setForeground(Color.black);
        gc.gridx = 0;
        gc.gridy = ++yindex;
        gc.gridwidth = 1;
        gc.anchor = GridBagConstraints.EAST;
        topPanel.add(writePermLab, gc);
        
        m_writeChkBox = new JCheckBox();
        gc.gridx = 1;
        gc.gridy = yindex;
        gc.gridwidth = 2;
        gc.anchor = GridBagConstraints.WEST;
        topPanel.add(m_writeChkBox, gc);
                
        // idle time
        JLabel idleLab = new JLabel("Max. Idle Time (seconds) :: ");
        idleLab.setHorizontalAlignment(JLabel.RIGHT);
        idleLab.setForeground(Color.black);
        gc.gridx = 0;
        gc.gridy = ++yindex;
        gc.gridwidth = 1;
        gc.anchor = GridBagConstraints.EAST;
        topPanel.add(idleLab, gc);
        
        m_idleLst = new JComboBox(IDLE_SECONDS);
        m_idleLst.setPreferredSize(new Dimension(130, 22));
        m_idleLst.setEditable(true);
        gc.gridx = 1;
        gc.gridy = yindex;
        gc.gridwidth = 2;
        gc.anchor = GridBagConstraints.WEST;
        topPanel.add(m_idleLst, gc);
        
        // user upload limit
        JLabel uploadLab = new JLabel("Max. Upload (bytes/sec) :: ");
        uploadLab.setHorizontalAlignment(JLabel.RIGHT);
        uploadLab.setForeground(Color.black);
        gc.gridx = 0;
        gc.gridy = ++yindex;
        gc.gridwidth = 1;
        gc.anchor = GridBagConstraints.EAST;
        topPanel.add(uploadLab, gc);
        
        m_uploadLst = new JComboBox(BYTE_RATES);
        m_uploadLst.setPreferredSize(new Dimension(130, 22));
        m_uploadLst.setEditable(true);
        gc.gridx = 1;
        gc.gridy = yindex;
        gc.gridwidth = 2;
        gc.anchor = GridBagConstraints.WEST;
        topPanel.add(m_uploadLst, gc);