I have to link an excel file with a application software which I am developing.The excel file will contain questionnaire for surveys.I have this code which is only able to open a Jpanel to select the file.After I select the file nothing is happening.I wanted to be able to generate a template based on the questions that are in the excel file (like extracting the questions from the excel file and creating a template from it) and which I have to upload on the web later.could you please help me with this?
import java.io.*;
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import javax.swing.filechooser.*;
public class SelectFile extends JFrame{
public static void main(String[]args){
JFrame frame = new JFrame();
frame.setLayout(null);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setTitle("Select File for Linking");
frame.setSize(400, 100);
Container container = frame.getContentPane();
container.setLayout(new GridBagLayout());
final JTextField text=new JTextField(20);
JButton b=new JButton("Select File");
text.setBounds(20,20,120,20);
b.setBounds(150,20,80,20);
// b.setText("<html><font color='blue'><u>Select File</u></font></html>");
b.setHorizontalAlignment(SwingConstants.LEFT);
//b.setBorderPainted(false);
//b.setOpaque(false);
// b.setBackground(Color.lightGray);
b.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e){
JFileChooser fc = new JFileChooser();
fc.addChoosableFileFilter(new OnlyExt());
int returnval = fc.showOpenDialog(null);
if (returnval == JFileChooser.APPROVE_OPTION) {
File file = fc.getSelectedFile();
text.setText(file.getPath());
}
}
});
container.add(text);
container.add(b);
frame.setVisible(true);
}
}
class OnlyExt extends javax.swing.filechooser.FileFilter{
public boolean accept(File file) {
if (file.isDirectory()) return false;
String name = file.getName().toLowerCase();
return (name.endsWith(".xls"));
}
public String getDescription() { return "Excel ( *.xls)"; }
}
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