How to Get File Name through Path in Java

How to Get File Name through Path in Java

 file path in java eclipse, file path in java example, file path in java windows, Get File Name through Path in Java, Java  

Structure of the Problem Requirements 

This Java Program will get file path from user and and extract the file name from it. The user just browse the system and enter the file path and will get the name of required file.

Source Code 

package button;

import java.awt.Component;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;

import javax.swing.Box;
import javax.swing.BoxLayout;
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.JTextField;
import javax.swing.UIManager;

public class BrowseFile {
 static JFrame frame;
 static JButton butt;
 static JTextField  textPanel;
 static String path =null;
 public static void main(String[] args) {
  try {
            UIManager.setLookAndFeel( UIManager.getSystemLookAndFeelClassName());
            UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
        }
        catch (Exception e) {
        }
  Start();
 }
 private static void Start() {
    
  JPanel youLabelPanel = new JPanel(new FlowLayout(FlowLayout.LEFT, 0, 0));
  youLabelPanel.add(new JLabel("Path:"));
  
  JPanel myLabelPanel = new JPanel(new FlowLayout(FlowLayout.LEFT, 0, 0));
  final JLabel myLabel = new JLabel();
  myLabelPanel.add(myLabel);
       
     JPanel sPanel= new JPanel();//new FlowLayout(FlowLayout.LEFT, 0, 0)
     sPanel.setLayout(new BoxLayout(sPanel, BoxLayout.LINE_AXIS));
     textPanel = new JTextField();
     textPanel.setPreferredSize(new Dimension(350,30));
       butt = new JButton("Browse");
       butt.addActionListener(new ActionListener()
       {
          public void actionPerformed(ActionEvent e)
          {
           path = browseAssociatedTask();
           textPanel.setText(path);
          
           //**************************************************************
              //                       get file name
              //**************************************************************
              int index = path.lastIndexOf("\\");
              String fileName = path.substring(index + 1);
              //**************************************************************
              //**************************************************************
     myLabel.setText("File name :"+fileName);

        frame.pack();
          }
      });
       sPanel.add(textPanel);
       sPanel.add(butt);

       JPanel mainPanel = new JPanel();
       mainPanel.setLayout(new BoxLayout(mainPanel, BoxLayout.PAGE_AXIS));
       mainPanel.add(Box.createVerticalStrut(10));
       mainPanel.add(youLabelPanel);
       mainPanel.add(sPanel);
       mainPanel.add(myLabelPanel);
       
       frame = new JFrame("Browse File Path");
       frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
       frame.add(mainPanel);
       frame.pack();
       frame.setLocationRelativeTo(null);
       frame.setVisible(true);
 }
 private static String browseAssociatedTask() {
  String AbsolutePath = null;
        JFileChooser fc ;
        fc = new JFileChooser();
        int returnVal = fc.showSaveDialog(frame);
        if (returnVal == JFileChooser.APPROVE_OPTION) {
           File file = fc.getSelectedFile();
           AbsolutePath = file.getAbsolutePath();
        }else{
            Component frame = null;
            JOptionPane.showMessageDialog(frame,"Error in FileChooser APPROVE_OPTION",
            "Error",JOptionPane.ERROR_MESSAGE);
        }
        return AbsolutePath;
 }
}

Output of the Program