Ihv writtten a prog of file searching and the result is to be displayed in table
Im geting exception of stringindexoutofbound: String index out of range: -1
at java.lang.string.substring(unknown source)
if i changed the path E:/ to e:/programs (program is some folder)
then prog run correctly
but i want to search the whole drive. plz help me out................
here's the code-
import java.io.*;
import java.util.*;
import java.text.SimpleDateFormat;
import javax.swing.*;
import javax.swing.table.*;
public class search2
{
static String z,l,w;
static String y;
static File f;
static JFrame frame;
static JPanel panel;
static DefaultTableModel model;
static JTable table;
public static void InsertRows()
{
frame = new JFrame("Inserting rows in the table!");
panel = new JPanel();
String data[][] = {};
String col[] = {"Name","Folder","Date Modified"};
model = new DefaultTableModel(data,col);
table = new JTable(model);
panel.add(table);
frame.add(panel);
frame.setSize(300,300);
frame.setVisible(true);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
public static void visit(File f2)
{
if(f2.isDirectory())
{
String x[] = f2.list();
for(int i=0;i<x.length;i++)
{
File f3 = new File(f2,x[i]);
l = f3.getName();
if(l.equals(y))
{
String p = f3.getParent();
File f4 = new File(p);
String u = f4.getName();
long timestamp = f3.lastModified();
Date d = new Date(timestamp);
SimpleDateFormat sdf = new SimpleDateFormat( "EE yyyy/MM/dd hh:mm:ss aa zz" );
String display = sdf.format(d);
model.insertRow(table.getRowCount(),new Object[]{l,u,display});
}
if(f3.isDirectory())
{
visit(new File(f2,x[i]));
}
else
{
String a = f3.toString();
int index = f3.getName().lastIndexOf('.');
String w = f3.getName().substring(0, index);
if(w.equals(y))
{
String p = f3.getParent();
File f4 = new File(p);
String u = f4.getName();
long timestamp = f3.lastModified();
Date d = new Date(timestamp);
SimpleDateFormat sdf = new SimpleDateFormat( "EE yyyy/MM/dd hh:mm:ss aa zz" );
String display = sdf.format(d); model.insertRow(table.getRowCount(),new Object[]{x[i],u,display});
}
}
}
}
}
public static void main(String ar[])throws Exception
{
System.out.println("enter file to be searched");
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
y = br.readLine();
f = new File(y);
File f1 = new File("E:/");
InsertRows();
visit(f1);
}
}im getting this error at line
1. at search2.visit()
String w = f3.getName().substring(0, index);
2. at search2.visit()
visit(new File(f2,x));
3. at search2.main()
visit(f1);