Как задать для JButton действия которое будет выполнять код

public class AutoForm {
 
    public static String input_DOCX = "C:\\\\Users\\\\UserPC\\\\Desktop\\\\Myartifact\\\\bilous.docx";
 
    public static String input_XML = "C:\\Users\\UserPC\\Desktop\\Myartifact\\bilous.xml";
 
    public static String output_DOCX = "C:\\Users\\\\UserPC\\Desktop\\Myartifact\\output.docx";
 
    public static void main(String[] args) throws Exception {
        WordprocessingMLPackage wordMLPackage = Docx4J.load(new File(input_DOCX));
        FileInputStream xmlStream = new FileInputStream(new File(input_XML));
        Docx4J.bind(wordMLPackage, xmlStream, Docx4J.FLAG_BIND_INSERT_XML | Docx4J.FLAG_BIND_BIND_XML | Docx4J.FLAG_BIND_REMOVE_SDT);
        Docx4J.save(wordMLPackage, new File(output_DOCX), Docx4J.FLAG_NONE);
        System.out.println("Saved: " + output_DOCX);
    }
 
}

public static void main(String[] args) throws Exception {
        WordprocessingMLPackage wordMLPackage = Docx4J.load(new File(input_DOCX));
        FileInputStream xmlStream = new FileInputStream(new File(input_XML));
        Docx4J.bind(wordMLPackage, xmlStream, Docx4J.FLAG_BIND_INSERT_XML | Docx4J.FLAG_BIND_BIND_XML | Docx4J.FLAG_BIND_REMOVE_SDT);
        Docx4J.save(wordMLPackage, new File(output_DOCX), Docx4J.FLAG_NONE);
        System.out.println("Saved: " + output_DOCX);
    }

import java.awt.EventQueue;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
 
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JTextField;
 
 
import org.docx4j.Docx4J;
import org.docx4j.openpackaging.exceptions.Docx4JException;
import org.docx4j.openpackaging.packages.WordprocessingMLPackage;
 
import javax.swing.JButton;
import javax.swing.JLabel;
  
public class Gui {
  
  private JFrame frame;
  private JTextField input1;
  private JTextField input2;
  private JButton btnBrowserXml;
  private JButton btnRun;
  
  
  
  /**
   * Launch the application.
   */
  public static void main(String[] args) {
    EventQueue.invokeLater(new Runnable() {
      public void run() {
       try {
           Gui window = new Gui();
     window.frame.setVisible(true);
        } catch (Exception e) {
          e.printStackTrace();
        }
      }
    });
  }
  
  /**
   * Create the application.
   */
  public Gui() {
    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);
          
    input1 = new JTextField();
    input1.setBounds(10, 10, 414, 21);
    frame.getContentPane().add(input1);
    input1.setColumns(10);
          
    JButton btnBrowse = new JButton("Browse Docx");
    btnBrowse.setBounds(10, 41, 104, 23);
    frame.getContentPane().add(btnBrowse);
    
     
    input2 = new JTextField();
    input2.setBounds(11, 73, 413, 20);
    frame.getContentPane().add(input2);
    input2.setColumns(10);
     
    btnBrowserXml = new JButton("Browse Xml");
    btnBrowserXml.setBounds(10, 104, 104, 23);
    frame.getContentPane().add(btnBrowserXml);
    
    
    
   
    btnRun = new JButton("Process");
    btnRun.addActionListener(new ActionListener() {
    public void actionPerformed(ActionEvent e) {
          
        
        
              
          }});
               
 
                /*
                 * try { WordprocessingMLPackage wordMLPackage = Docx4J.load(new
                 * File(input1.getText())); } catch (Docx4JException e1) { // TODO
                 * Auto-generated catch block e1.printStackTrace(); } try { FileInputStream
                 * xmlStream = new FileInputStream(new File(input2.getText())); } catch
                 * (FileNotFoundException e1) { // TODO Auto-generated catch block
                 * e1.printStackTrace(); }
                 * 
                 * Docx4J.bind(wordMLPackage, xmlStream, Docx4J.FLAG_BIND_INSERT_XML |
                 * Docx4J.FLAG_BIND_BIND_XML | Docx4J.FLAG_BIND_REMOVE_SDT);
                 * Docx4J.save(wordMLPackage, new File(Result.setToolTipText("output.docx")),
                 * Docx4J.FLAG_NONE);
                 */
          
          
      
   
    btnRun.setBounds(168, 203, 89, 23);
    frame.getContentPane().add(btnRun);
    
    JLabel lblResult = new JLabel("Result");
    lblResult.setBounds(10, 137, 166, 35);
    frame.getContentPane().add(lblResult);
    
   
     
    
      
    // File Docx   
    btnBrowse.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        JFileChooser fileChooser = new JFileChooser();
  
        // For File
        fileChooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
  
        fileChooser.setAcceptAllFileFilterUsed(false);
  
        int rVal = fileChooser.showOpenDialog(null);
        if (rVal == JFileChooser.APPROVE_OPTION) {
          input1.setText(fileChooser.getSelectedFile().toString());
        }
      }
    });
     
    // File XML
    btnBrowserXml.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
          JFileChooser fileChooser = new JFileChooser();
    
          // For File
          fileChooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
    
          fileChooser.setAcceptAllFileFilterUsed(false);
    
          int rVal = fileChooser.showOpenDialog(null);
          if (rVal == JFileChooser.APPROVE_OPTION) {
              input2.setText(fileChooser.getSelectedFile().toString());
          }
        }
      });
  } 
}