Java – Directory/File Browse Button using JFileChooser

The following Demo.java demonstrates the usage of JFileChooser.
Demo.java

import java.awt.EventQueue;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JTextField;
import javax.swing.JButton;

public class Demo {

  private JFrame frame;
  private JTextField txtPath;

  /**
   * Launch the application.
   */
  public static void main(String[] args) {
    EventQueue.invokeLater(new Runnable() {
      public void run() {
       try {
          Demo window = new Demo();
          window.frame.setVisible(true);
        } catch (Exception e) {
          e.printStackTrace();
        }
      }
    });
  }

  /**
   * Create the application.
   */
  public Demo() {
    initialize();
  }

  /**
   * Initialize the contents of the frame.
   */
  private void initialize() {
    frame = new JFrame();
    frame.setBounds(100, 100, 450, 300);
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.getContentPane().setLayout(null);
		
    txtPath = new JTextField();
    txtPath.setBounds(10, 10, 414, 21);
    frame.getContentPane().add(txtPath);
    txtPath.setColumns(10);
		
    JButton btnBrowse = new JButton("Browse");
    btnBrowse.setBounds(10, 41, 87, 23);
    frame.getContentPane().add(btnBrowse);
		
    btnBrowse.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        JFileChooser fileChooser = new JFileChooser();

        // For Directory
        fileChooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);

        // For File
        //fileChooser.setFileSelectionMode(JFileChooser.FILES_ONLY);

        fileChooser.setAcceptAllFileFilterUsed(false);

        int rVal = fileChooser.showOpenDialog(null);
        if (rVal == JFileChooser.APPROVE_OPTION) {
          txtPath.setText(fileChooser.getSelectedFile().toString());
        }
      }
    });
  }
}

 

Please note that if u can configure the FileSelectionMode to JFileChooser.FILES_ONLY if you want to browse file.

Done =)

Reference:

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