import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import java.net.*;
import java.io.*;
import java.util.*;
import java.util.regex.*;
public class BLink extends JFrame {
private JLabel TURL,LNA,LStatus,LRC;
private JButton Exit,Check;
private JTextField Input;
private JScrollPane Jsp,Jsp1,Jsp2;
private JTextArea List1,List2,List3;
public BLink()
{
super( "BLink" );
Container panel = getContentPane();
panel.setLayout(null);
TURL = new JLabel("URL: ");
TURL.setBounds(10,10,40,25);
panel.add(TURL);
Input = new JTextField();
Input.setBounds(45,10,165,25);
panel.add(Input);
Check = new JButton("Start");
Check.setBounds(230,10,80,25);
panel.add(Check);
LNA = new JLabel("Network Address");
LNA.setBounds(15,45,100,25);
panel.add(LNA);
LStatus = new JLabel("Status:");
LStatus.setBounds(390,45,100,25);
panel.add(LStatus);
LRC = new JLabel("Response Code:");
LRC.setBounds(520,45,100,25);
panel.add(LRC);
List1 = new JTextArea();
Jsp = new JScrollPane(List1);
Jsp.getHorizontalScrollBar();
Jsp.getVerticalScrollBar();
Jsp.setBounds(10,65,350,300);
List1.setEditable(false);
panel.add(Jsp);
List2 = new JTextArea();
Jsp1 = new JScrollPane(List2);
Jsp1.getHorizontalScrollBar();
Jsp1.getVerticalScrollBar();
Jsp1.setBounds(360,65,150,300);
List2.setEditable(false);
panel.add(Jsp1);
List3 = new JTextArea();
Jsp2 = new JScrollPane(List3);
Jsp2.getHorizontalScrollBar();
Jsp2.getVerticalScrollBar();
Jsp2.setBounds(510,65,100,300);
List3.setEditable(false);
panel.add(Jsp2);
Exit = new JButton("Exit");
Exit.setBounds(535,370,70,25);
panel.add(Exit);
ButtonHandler bhandler = new ButtonHandler();
Exit.addActionListener(bhandler);
Check.addActionListener(bhandler);
setResizable(false);
setSize(650,450);
setVisible(true);
}
public static void main( String args[] ){
BLink application = new BLink();
application.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE );
}
private class ButtonHandler implements ActionListener{
public void actionPerformed(ActionEvent event){
if(event.getSource() == Exit)
{
if (JOptionPane.showConfirmDialog(null, "Are You Sure Want To Exit","Confirm", JOptionPane.YES_NO_OPTION)== 0)
{
System.exit(0);
}
}
if(event.getSource() == Check)
{
List1.setText("");
List2.setText("");
List3.setText("");
String CurrentLine="";
String TotalString="";
InputStream urlStream;
try
{
try
{
String urlString = Input.getText();
URL url = new URL(urlString);
HttpURLConnection connection = (HttpURLConnection)url.openConnection();
connection.connect();
urlStream = connection.getInputStream();
BufferedReader reader = new BufferedReader(new InputStreamReader(urlStream,"gbk"));
while ((CurrentLine = reader.readLine()) != null)
{
TotalString += CurrentLine+" ";
}
}
catch (MalformedURLException ex)
{
String urlString = "http://" + Input.getText();
URL url = new URL(urlString);
HttpURLConnection connection = (HttpURLConnection)url.openConnection();
connection.connect();
urlStream = connection.getInputStream();
BufferedReader reader = new BufferedReader(new InputStreamReader(urlStream,"gbk"));
while ((CurrentLine = reader.readLine()) != null)
{
TotalString += CurrentLine+" ";
}
}
catch(UnknownHostException e)
{
JOptionPane.showMessageDialog(null, "Unknown Host");
}
String content = TotalString;
String sc = "SC.txt";
File scfile = new File(sc);
if(!scfile.exists())
{
List1.append("File does not exist");
System.exit(0);
}
else
{
BufferedWriter out = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(scfile),"UTF8"));
out.write(content);
out.close();
}
String page = loadPage("SC.txt");
Pattern pattern = Pattern.compile("<a(?:(?!href).)++href\\s*+=\\s*+[\"'](https?://[^/]+)", Pattern.CASE_INSENSITIVE);
Matcher matcher = pattern.matcher(page);
while (matcher.find()) {
try
{
String urlString2 = matcher.group(1);
URL url2 = new URL(urlString2);
HttpURLConnection connection2 = (HttpURLConnection)url2.openConnection();
connection2.connect();
int response = connection2.getResponseCode();
String msg = connection2.getResponseMessage();
List1.append(urlString2 + "\n");
List2.append(msg + "\n");
List3.append(response + "\n");
InputStream is = connection2.getInputStream();
byte[] buffer = new byte [256];
while (is.read (buffer) != -1) {}
is.close();
}
catch (MalformedURLException ex){}
catch (IOException e){}
}
}
catch (IOException e)
{
e.printStackTrace();
}
}
}
}
private static String loadPage(String name) {
StringBuffer output = new StringBuffer();
try {
FileReader file = new FileReader(name);
BufferedReader buff = new BufferedReader(file);
boolean eof = false;
while (!eof) {
String line = buff.readLine();
if (line == null)
eof = true;
else
output.append(line + "\n");
}
buff.close();
} catch (IOException e) {
System.out.println("Error -- " + e.toString());
}
return output.toString();
}
}
2. import java.awt.*;
import java.awt.Graphics;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.colorchooser.*;
import javax.swing.event.*;
public class Editor extends JApplet{
private SwingUtilities Utility;
private JLabel Title;
private JTextArea EnterArea;
private JScrollPane SPEnterArea;
private JComboBox FontSize1,FontSize2,FontSize3;
private JButton Clear, TextColourButton, BackgroundColourButton;
private JMenuBar menubar;
private JMenu menu1, menu2;
private JMenuItem menu1item1, menu1item2, menu2item1;
private String Fo[] = {"Times New Roman","Arial", "Kristen ITC"};
private String FStyle[] = {"PLAIN","BOLD","ITALIC"};
private String Size[] = {"10","12","14","16","18","20"};
private String Fon = "Times New Roman";
private int FontStyle = Font.PLAIN;
private int Fonts = 14;
public void init()
{
try
{
Utility.invokeAndWait(new Runnable() {
public void run() {
layouts();
}
});
}
catch (Exception e)
{
System.err.println("createGUI didn't successfully complete");
}
}//End of Init()
public void layouts()
{
Container appletpanel = getContentPane();
appletpanel.setLayout(null);
menubar = new JMenuBar();
menu1 = new JMenu();
menu2 = new JMenu();
menu1item1 = new JMenuItem();
menu1item2 = new JMenuItem();
menu2item1 = new JMenuItem();
menu1.setText("File");
menu1item1.setText("Open");
menu1item1.addActionListener(new ActionListener()
{
public void actionPerformed(ActionEvent evt)
{
menu1item1ActionPerformed(evt);
}
}
);
menu1.add(menu1item1);
menu1item2.setText("Save");
menu1item2.addActionListener(new ActionListener()
{
public void actionPerformed(ActionEvent evt)
{
menu1item2ActionPerformed(evt);
}
}
);
menu1.add(menu1item2);
menu2.setText("Help");
menu2item1.setText("About");
menu2item1.addActionListener(new ActionListener()
{
public void actionPerformed(ActionEvent evt)
{
menu2item1ActionPerformed(evt);
}
}
);
menu2.add(menu2item1);
menubar.add(menu1);
menubar.add(menu2);
menubar.setBounds(1,1,640,20);
appletpanel.add(menubar);
Title = new JLabel("Text Editor");
Title.setBounds(1,20,100,25);
Title.setFont(new Font("Times New Roman", Font.BOLD, 20));
appletpanel.add(Title);
FontSize1 = new JComboBox(Fo);
FontSize1.setBounds(1,55,140,20);
FontSize1.setMaximumRowCount(3);
FontSize1.addItemListener(new ItemListener()
{
public void itemStateChanged(ItemEvent event)
{
if(FontSize1.getSelectedIndex() == 0)
{
Fon = "Times New Roman";
EnterArea.setFont(new Font(Fon, FontStyle , Fonts));
}
else if(FontSize1.getSelectedIndex() == 1)
{
Fon = "Arial";
EnterArea.setFont(new Font(Fon, FontStyle , Fonts));
}
else if(FontSize1.getSelectedIndex() == 2)
{
Fon = "Kristen ITC";
EnterArea.setFont(new Font(Fon, FontStyle , Fonts));
}
}
}
)
appletpanel.add(FontSize1);
FontSize2 = new JComboBox(FStyle);
FontSize2.setBounds(150,55,100,20);
FontSize2.setMaximumRowCount(3);
FontSize2.addItemListener(new ItemListener()
{
public void itemStateChanged(ItemEvent event)
{
if(FontSize2.getSelectedIndex() == 0)
{
FontStyle = Font.PLAIN;
EnterArea.setFont(new Font(Fon, FontStyle , Fonts));
}
else if(FontSize2.getSelectedIndex() == 1)
{
FontStyle = Font.BOLD;
EnterArea.setFont(new Font(Fon, FontStyle , Fonts));
}
else if(FontSize2.getSelectedIndex() == 2)
{
FontStyle = Font.ITALIC;
EnterArea.setFont(new Font(Fon, FontStyle , Fonts));
}
}
}
);
appletpanel.add(FontSize2);
FontSize3 = new JComboBox(Size);
FontSize3.setBounds(260,55,100,20);
FontSize3.setMaximumRowCount(6);
FontSize3.addItemListener(new ItemListener()
{
public void itemStateChanged(ItemEvent event)
{
if(FontSize3.getSelectedIndex() == 0)
{
Fonts = 10;
EnterArea.setFont(new Font(Fon, FontStyle , Fonts));
}
else if(FontSize3.getSelectedIndex() == 1)
{
Fonts = 12;
EnterArea.setFont(new Font(Fon, FontStyle , Fonts));
}
else if(FontSize3.getSelectedIndex() == 2)
{
Fonts = 14;
EnterArea.setFont(new Font(Fon, FontStyle , Fonts));
}
else if(FontSize3.getSelectedIndex() == 3)
{
Fonts = 16;
EnterArea.setFont(new Font(Fon, FontStyle , Fonts));
}
else if(FontSize3.getSelectedIndex() == 4)
{
Fonts = 18;
EnterArea.setFont(new Font(Fon, FontStyle , Fonts));
}
else if(FontSize3.getSelectedIndex() == 5)
{
Fonts = 20;
EnterArea.setFont(new Font(Fon, FontStyle , Fonts));
}
}
}
);
appletpanel.add(FontSize3);
EnterArea = new JTextArea();
SPEnterArea = new JScrollPane(EnterArea);
SPEnterArea.getHorizontalScrollBar();
SPEnterArea.getVerticalScrollBar();
SPEnterArea.setBounds(1,75,450,380);
EnterArea.setFont(new Font(Fon, FontStyle , Fonts));
EnterArea.setLineWrap(true);
EnterArea.setWrapStyleWord(true);
appletpanel.add(SPEnterArea);
Clear = new JButton("Clear");
Clear.setBounds(1,475,70,25);
appletpanel.add(Clear);
TextColourButton = new JButton("Font Color");
TextColourButton.setBounds(460,75,100,20);
appletpanel.add(TextColourButton);
BackgroundColourButton = new JButton("Background Color");
BackgroundColourButton.setBounds(460,115,100,20);
appletpanel.add(BackgroundColourButton);
ButtonHandler bhandler = new ButtonHandler();
Clear.addActionListener(bhandler);
TextColourButton.addActionListener(bhandler);
BackgroundColourButton.addActionListener(bhandler);
setSize(640,520);
setVisible(true);
}
private void menu1item1ActionPerformed(ActionEvent event)
{
}
private void menu1item2ActionPerformed(ActionEvent event)
{
}
private void menu2item1ActionPerformed(ActionEvent event)
{
JOptionPane.showMessageDialog(null, " Text Editor\nUEL computer school\n”);
}
}
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