* @Web Crawler *
*
* @author sharma
* @version 1.00 2010/7/16
*/
import java.io.BufferedInputStream;
import java.io.IOException;
import java.net.MalformedURLException;
import java.util.*;
import java.net.URLConnection;
import java.awt.BorderLayout;
import java.awt.Color;
import javax.swing.JFrame;
import javax.swing.JTabbedPane;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JButton;
import javax.swing.SwingConstants;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.Transparency;
import javax.swing.event.*;
import java.sql.*;
import java.util.*;
import java.net.URL;
import javax.imageio.ImageIO;
import java.lang.*;
import java.io.*;
import javax.swing.BoxLayout;
public class assign_3 extends JFrame {
String name="";
String str[] = new String[1000];
int k;
StringBuilder builder;
JLabel Send_lebel = new JLabel();
JTextField send_bit = new JTextField();
JLabel Rec_lebel = new JLabel();
JTextArea rec_bit = new JTextArea();
JTextField err = new JTextField();
JButton gen = new JButton();
JButton sen = new JButton();
JButton cal = new JButton();
int a[] = new int[100];
int b[] = new int[100];
WindowListener l;
public assign_3(){
setTitle("ASSIGNMENT #3");
setSize(600,453);
setLocation(220,100);
l = new WindowAdapter() {
public void windowClosing(WindowEvent e) {
setEnabled(true);
}
};
setUndecorated(true);
getRootPane().setWindowDecorationStyle(JRootPane.FRAME);
setVisible(true);
jbinit();
}
void jbinit(){
this.setResizable(false);
this.getContentPane().setLayout(null);
Send_lebel.setText("ADDRESS:");
Send_lebel.setBounds(new Rectangle(8, 18, 150, 42));
send_bit.setFont(new java.awt.Font("Dialog", 1, 12));
send_bit.setText("");
send_bit.setBounds(new Rectangle(18, 48, 156, 21));
Rec_lebel.setText("LINKS:");
Rec_lebel.setBounds(new Rectangle(350, 48, 132, 21));
rec_bit.setFont(new java.awt.Font("Dialog", 1, 12));
rec_bit.setText("");
rec_bit.setBounds(new Rectangle(345,88,226,311));
gen.setBounds(new Rectangle(48, 100, 88, 24));
gen.setFont(new java.awt.Font("Dialog", 1, 12));
gen.setBorder(BorderFactory.createRaisedBevelBorder());
gen.setMnemonic('G');
gen.setText("GO!");
gen.addActionListener(new gen_actionAdapter(this));
sen.setBounds(new Rectangle(208, 100, 88, 24));
sen.setFont(new java.awt.Font("Dialog", 1, 12));
sen.setBorder(BorderFactory.createRaisedBevelBorder());
sen.setMnemonic('S');
sen.setText("DOWNLOAD");
sen.addActionListener(new sen_actionAdapter(this));
this.getContentPane().add(Send_lebel, null);
this.getContentPane().add(Rec_lebel, null);
this.getContentPane().add(rec_bit, null);
this.getContentPane().add(send_bit, null);
this.getContentPane().add(gen,null);
this.getContentPane().add(sen,null);
}
public static void main(String[] args) {
assign_3 jmain = new assign_3();
jmain.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
// all button action
void gen_actionPerformed(ActionEvent e)
{
int head,tail,num;
boolean flag=true;
head = tail = num= 0;
Vector<String> vc = new Vector<String>();
Map m1 = new HashMap();
String pre ="";
name = send_bit.getText().toLowerCase();
vc.addElement(name);
System.out.println(name);
m1.put(name,true);
++tail;
while(flag)
{
if(head == tail){break;}
name = (String)vc.elementAt(head);
System.out.println(name);
++head;
try {
URL url = new URL("http://"+name);
URLConnection urlc = url.openConnection();
String st ="";
BufferedInputStream buffer = new BufferedInputStream(urlc.getInputStream());
builder = new StringBuilder();
int byteRead;
while ((byteRead = buffer.read()) != -1)
{
builder.append((char) byteRead);
st += (char)byteRead;
}
buffer.close();
System.out.println("URL VALID");
try {
++num;
BufferedWriter out = new BufferedWriter(new FileWriter("D:\\html\\"+num+".html"));
out.write(builder.toString());
out.close();
}
catch (IOException ep)
{
System.out.print("failed writing"+ep);
}
// finding URL in given Page
int r = 0;
int i,j,l,s;
for(i=0;i<1000;i++)
str[i] = "";
k = 0;
for(i=0;i<st.length();i++)
{
r = l = 0;
for(j=i;j<st.length();j++)
{
if(st.charAt(j) == 'w' && r == 0)
++l;
if(l == 3)
{
str[k]+="www.";
for(s=j+2;;s++)
{
if(st.charAt(s) == ' ' || st.charAt(s) == '<' || st.charAt(s) == '"')break;
str[k] += st.charAt(s);
}
k++;
break;
}
else if(st.charAt(j) != 'w'){ r= 1;break;}
}
}
for(i=0;i<k;i++)
{
if(m1.containsValue(str[i]) != true)
{
pre += str[i];
vc.addElement(str[i]);
m1.put(str[i],true);
++tail;
pre += "\n";
rec_bit.setText(str[i]+"\n");
}
}
// rec_bit.setText(pre);
}
catch (MalformedURLException ex) {
pre += "Sorry ! URL ERROR";
rec_bit.setText(pre);
}
catch (IOException ex) {
pre += "Sorry ! There Is no Site Like that";
rec_bit.setText(pre);
}
}
}
void sen_actionPerformed(ActionEvent e)
{
try {
BufferedWriter out = new BufferedWriter(new FileWriter(name+".html"));
out.write(builder.toString());
out.close();
}
catch (IOException ep)
{
System.out.print("failed writing");
}
}
}
// all button class
class gen_actionAdapter implements java.awt.event.ActionListener {
assign_3 adaptee;
gen_actionAdapter(assign_3 adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.gen_actionPerformed(e);
}
}
class sen_actionAdapter implements java.awt.event.ActionListener {
assign_3 adaptee;
sen_actionAdapter(assign_3 adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.sen_actionPerformed(e);
}
}
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