import java.awt.EventQueue;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.io.File;

import java.io.FileFilter;

import javax.swing.JButton;

import javax.swing.JFileChooser;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JOptionPane;

import javax.swing.JPanel;

import javax.swing.JScrollPane;

import javax.swing.JSeparator;

import javax.swing.JSpinner;

import javax.swing.JTable;

import javax.swing.JTextField;

import javax.swing.border.EmptyBorder;

import javax.swing.table.DefaultTableModel;

import java.awt.GridBagLayout;

import java.awt.GridBagConstraints;

import java.awt.Insets;

/**

 * 获取文件列表的过滤器

 *

 * @author 李钟尉

 */

public class RenameFiles extends JFrame {

    /**

     *

     */

    private static final long serialVersionUID = 4534371106024773867L;

    private final class ExtNameFileFilter implements FileFilter {

        private String extName;

        public ExtNameFileFilter(String extName) {

            this.extName = extName;// 保存文件扩展名

        }

        @Override

        public boolean accept(File pathname) {

            // 过滤文件扩展名

            if (pathname.getName().toUpperCase()

                    .endsWith(extName.toUpperCase()))

                return true;

            return false;

        }

    }

    private JPanel contentPane;

    private JTextField forderField;

    private JTextField templetField;

    private File dir;

    private JTable table;

    private JTextField extNameField;

    private JSpinner startSpinner;

    /**

     * Launch the application.

     */

    public static void main(String[] args) {

        EventQueue.invokeLater(new Runnable() {

            public void run() {

                try {

                    RenameFiles frame = new RenameFiles();

                    frame.setVisible(true);

                } catch (Exception e) {

                    e.printStackTrace();

                }

            }

        });

    }

    /**

     * Create the frame.

     */

    public RenameFiles() {

        setResizable(false);

        setTitle("文件批量重命名");

        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        setBounds(100, 100, 383, 409);

        contentPane = new JPanel();

        contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));

        setContentPane(contentPane);

        GridBagLayout gbl_contentPane = new GridBagLayout();

        gbl_contentPane.columnWidths = new int[] { 72, 54, 60, 87, 91, 0 };

        gbl_contentPane.rowHeights = new int[] { 25, 25, 10, 25, 24, 25, 2,

                216, 0 };

        gbl_contentPane.columnWeights = new double[] { 0.0, 0.0, 0.0, 0.0, 0.0,

                Double.MIN_VALUE };

        gbl_contentPane.rowWeights = new double[] { 0.0, 0.0, 0.0, 0.0, 0.0,

                0.0, 0.0, 0.0, Double.MIN_VALUE };

        contentPane.setLayout(gbl_contentPane);

        JLabel label = new JLabel();

        label.setText("文件批量重命名模块：");

        GridBagConstraints gbc_label = new GridBagConstraints();

        gbc_label.fill = GridBagConstraints.VERTICAL;

        gbc_label.insets = new Insets(0, 0, 5, 5);

        gbc_label.gridwidth = 3;

        gbc_label.gridx = 1;

        gbc_label.gridy = 0;

        contentPane.add(label, gbc_label);

        JLabel label_1 = new JLabel();

        label_1.setText("文件路径：");

        GridBagConstraints gbc_label_1 = new GridBagConstraints();

        gbc_label_1.anchor = GridBagConstraints.EAST;

        gbc_label_1.fill = GridBagConstraints.VERTICAL;

        gbc_label_1.insets = new Insets(0, 0, 5, 5);

        gbc_label_1.gridx = 0;

        gbc_label_1.gridy = 1;

        contentPane.add(label_1, gbc_label_1);

        forderField = new JTextField();

        forderField.setText("");

        GridBagConstraints gbc_forderField = new GridBagConstraints();

        gbc_forderField.fill = GridBagConstraints.HORIZONTAL;

        gbc_forderField.insets = new Insets(0, 0, 5, 5);

        gbc_forderField.gridwidth = 3;

        gbc_forderField.gridx = 1;

        gbc_forderField.gridy = 1;

        contentPane.add(forderField, gbc_forderField);

        JButton button = new JButton();

        button.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e) {

                do_button_actionPerformed(e);

            }

        });

        button.setText("浏览");

        GridBagConstraints gbc_button = new GridBagConstraints();

        gbc_button.anchor = GridBagConstraints.NORTHWEST;

        gbc_button.insets = new Insets(0, 0, 5, 0);

        gbc_button.gridx = 4;

        gbc_button.gridy = 1;

        contentPane.add(button, gbc_button);

        JSeparator separator_1 = new JSeparator();

        GridBagConstraints gbc_separator_1 = new GridBagConstraints();

        gbc_separator_1.fill = GridBagConstraints.BOTH;

        gbc_separator_1.insets = new Insets(0, 0, 5, 0);

        gbc_separator_1.gridwidth = 5;

        gbc_separator_1.gridx = 0;

        gbc_separator_1.gridy = 2;

        contentPane.add(separator_1, gbc_separator_1);

        JLabel label_5 = new JLabel();

        label_5.setText("使用#可以指定数字计数所占的位置，使用*可以插入原文件名：");

        GridBagConstraints gbc_label_5 = new GridBagConstraints();

        gbc_label_5.fill = GridBagConstraints.VERTICAL;

        gbc_label_5.insets = new Insets(0, 0, 5, 0);

        gbc_label_5.gridwidth = 5;

        gbc_label_5.gridx = 0;

        gbc_label_5.gridy = 3;

        contentPane.add(label_5, gbc_label_5);

        JLabel label_3 = new JLabel();

        label_3.setText("  模板：");

        GridBagConstraints gbc_label_3 = new GridBagConstraints();

        gbc_label_3.anchor = GridBagConstraints.EAST;

        gbc_label_3.fill = GridBagConstraints.VERTICAL;

        gbc_label_3.insets = new Insets(0, 0, 5, 5);

        gbc_label_3.gridx = 0;

        gbc_label_3.gridy = 4;

        contentPane.add(label_3, gbc_label_3);

        templetField = new JTextField();

        templetField.setText("catrestaurant###");

        GridBagConstraints gbc_templetField = new GridBagConstraints();

        gbc_templetField.anchor = GridBagConstraints.SOUTH;

        gbc_templetField.fill = GridBagConstraints.HORIZONTAL;

        gbc_templetField.insets = new Insets(0, 0, 5, 5);

        gbc_templetField.gridwidth = 3;

        gbc_templetField.gridx = 1;

        gbc_templetField.gridy = 4;

        contentPane.add(templetField, gbc_templetField);

        JLabel label_4 = new JLabel();

        label_4.setText("开始于：");

        GridBagConstraints gbc_label_4 = new GridBagConstraints();

        gbc_label_4.fill = GridBagConstraints.VERTICAL;

        gbc_label_4.insets = new Insets(0, 0, 5, 5);

        gbc_label_4.gridx = 0;

        gbc_label_4.gridy = 5;

        contentPane.add(label_4, gbc_label_4);

        startSpinner = new JSpinner();

        GridBagConstraints gbc_startSpinner = new GridBagConstraints();

        gbc_startSpinner.fill = GridBagConstraints.HORIZONTAL;

        gbc_startSpinner.insets = new Insets(0, 0, 5, 5);

        gbc_startSpinner.gridx = 1;

        gbc_startSpinner.gridy = 5;

        contentPane.add(startSpinner, gbc_startSpinner);

        JLabel label_2 = new JLabel();

        label_2.setText("  扩展名：");

        GridBagConstraints gbc_label_2 = new GridBagConstraints();

        gbc_label_2.fill = GridBagConstraints.HORIZONTAL;

        gbc_label_2.insets = new Insets(0, 0, 5, 5);

        gbc_label_2.gridx = 2;

        gbc_label_2.gridy = 5;

        contentPane.add(label_2, gbc_label_2);

        JButton startButton = new JButton();

        startButton.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e) {

                do_startButton_actionPerformed(e);

            }

        });

        extNameField = new JTextField();

        extNameField.setText("jpg");

        GridBagConstraints gbc_extNameField = new GridBagConstraints();

        gbc_extNameField.fill = GridBagConstraints.HORIZONTAL;

        gbc_extNameField.insets = new Insets(0, 0, 5, 5);

        gbc_extNameField.gridx = 3;

        gbc_extNameField.gridy = 5;

        contentPane.add(extNameField, gbc_extNameField);

        startButton.setText("开始");

        GridBagConstraints gbc_startButton = new GridBagConstraints();

        gbc_startButton.anchor = GridBagConstraints.NORTH;

        gbc_startButton.insets = new Insets(0, 0, 5, 0);

        gbc_startButton.gridx = 4;

        gbc_startButton.gridy = 5;

        contentPane.add(startButton, gbc_startButton);

        JSeparator separator_2 = new JSeparator();

        GridBagConstraints gbc_separator_2 = new GridBagConstraints();

        gbc_separator_2.anchor = GridBagConstraints.NORTH;

        gbc_separator_2.fill = GridBagConstraints.HORIZONTAL;

        gbc_separator_2.insets = new Insets(0, 0, 5, 0);

        gbc_separator_2.gridwidth = 5;

        gbc_separator_2.gridx = 0;

        gbc_separator_2.gridy = 6;

        contentPane.add(separator_2, gbc_separator_2);

        JScrollPane scrollPane = new JScrollPane();

        GridBagConstraints gbc_scrollPane = new GridBagConstraints();

        gbc_scrollPane.fill = GridBagConstraints.BOTH;

        gbc_scrollPane.gridwidth = 5;

        gbc_scrollPane.gridx = 0;

        gbc_scrollPane.gridy = 7;

        contentPane.add(scrollPane, gbc_scrollPane);

        table = new JTable();

        table.setModel(new DefaultTableModel(new Object[][] {}, new String[] {

                "旧文件名", "新文件名" }));

        scrollPane.setViewportView(table);

    }

    /**

     * 浏览按钮的事件处理方法

     *

     * @param e

     */

    protected void do_button_actionPerformed(ActionEvent e) {

        JFileChooser chooser = new JFileChooser();// 创建文件选择器

        // 设置只选择文件夹

        chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);

        int option = chooser.showOpenDialog(this);// 显示打开对话框

        if (option == JFileChooser.APPROVE_OPTION) {

            dir = chooser.getSelectedFile();// 获取选择的文件夹

        } else {

            dir = null;

        }

        forderField.setText(dir + "");// 显示文件夹信息

    }

    /**

     * 开始按钮的事件处理方法

     *

     * @param e

     */

    protected void do_startButton_actionPerformed(ActionEvent e) {

        String templet = templetField.getText();// 获取模板字符串

        if (templet.isEmpty()) {

            JOptionPane.showMessageDialog(this, "请确定重命名模板", "信息对话框",

                    JOptionPane.WARNING_MESSAGE);

            return;

        }

        // 获取表格数据模型

        DefaultTableModel model = (DefaultTableModel) table.getModel();

        model.setRowCount(0);// 清除表格数据

        int bi = (Integer) startSpinner.getValue();// 获取起始编号

        int index = templet.indexOf("#");// 获取第一个“#”的索引

        String code = templet.substring(index);// 获取模板中数字占位字符串

        // 把模板中数字占位字符串替换为指定格式

        templet = templet.replace(code, "%0" + code.length() + "d");

        String extName = extNameField.getText().toLowerCase();

        if (extName.indexOf(".") == -1)

            extName = "." + extName;

        // 获取文件中文件列表数组

        File[] files = dir.listFiles(new ExtNameFileFilter(extName));

        for (File file : files) {// 变量文件数组

            // 格式化每个文件名称

            String name = String.format(templet, bi++) + extName;

            // 把文件的旧名称与新名称添加到表格的数据模型

            model.addRow(new String[] { file.getName(), name });

            File parentFile = file.getParentFile();// 获取文件所在文件夹对象

            File newFile = new File(parentFile, name);

            file.renameTo(newFile);// 文件重命名

        }

    }

}