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import java.awt.*;
import java.awt.event.*;
import java.applet.*;
import javax.swing.*;
import java.io.*;
import java.net.*;
import java.awt.datatransfer.*;
public class BadApplet extends JApplet {
JTabbedPane tabs = new JTabbedPane();
JPanel FileSystemTests = new JPanel();
JPanel NetworkTests = new JPanel();
JPanel EnvironmentTests = new JPanel();
JButton writeFileButton = new JButton("Write File");
JButton readFileButton = new JButton("Read File");
JButton connectSocketButton = new JButton("Connect Socket");
JButton frameButton = new JButton("Open Frame Without Warning Tag");
JButton readSystemPropButton = new JButton("Read System Property");
JButton printButton = new JButton("Print");
JButton clipBoardButton = new JButton("Read Clipboard");
JTextField writePath = new JTextField( "/amd/ns/root/home/sbarnes/test.txt" );
JTextField readPath = new JTextField("/amd/ns/root/home/sbarnes/test.txt");
JTextField url = new JTextField("URL");
JTextField port = new JTextField("port");
JTextField systemProp = new JTextField("os.name");
JTextField output = new JTextField();
//Construct the applet
public BadApplet() {
try {
//event handlers ******************************************************
writeFileButton.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(ActionEvent e) {
writeFileButton_actionPerformed(e);
}
});
readFileButton.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(ActionEvent e) {
readFileButton_actionPerformed(e);
}
});
connectSocketButton.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(ActionEvent e) {
connectSocketButton_actionPerformed(e);
}
});
frameButton.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(ActionEvent e) {
frameButton_actionPerformed(e);
}
});
readSystemPropButton.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(ActionEvent e) {
readSystemPropButton_actionPerformed(e);
}
});
printButton.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(ActionEvent e) {
printButton_actionPerformed(e);
}
});
clipBoardButton.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(ActionEvent e) {
clipBoard_actionPerformed(e);
}
});
//do layout ***********************************************************
getContentPane().setLayout( new BorderLayout() );
FileSystemTests.setLayout( new FlowLayout( FlowLayout.LEFT ) );
FileSystemTests.add( writeFileButton );
FileSystemTests.add( writePath );
FileSystemTests.add( readFileButton );
FileSystemTests.add( readPath );
NetworkTests.setLayout( new FlowLayout( FlowLayout.LEFT ) );
NetworkTests.add( connectSocketButton );
NetworkTests.add( url );
NetworkTests.add( port );
EnvironmentTests.setLayout( new FlowLayout( FlowLayout.LEFT ) );
EnvironmentTests.add( frameButton );
EnvironmentTests.add( readSystemPropButton );
EnvironmentTests.add( systemProp );
EnvironmentTests.add( printButton );
EnvironmentTests.add( clipBoardButton );
tabs.add( FileSystemTests, "File System" );
tabs.add( NetworkTests, "Network" );
tabs.add( EnvironmentTests, "Environment" );
this.getContentPane().add( tabs, BorderLayout.CENTER );
this.getContentPane().add( output, BorderLayout.SOUTH );
}
catch(Exception e) {
e.printStackTrace();
}
}
public void paint( Graphics g )
{
System.out.println( "graphics g = " + g );
System.out.println( "clip area = " + g.getClip() );
System.out.println( "bounds of the clip area = " + g.getClipBounds() );
super.paint( g );
}
//Initialize the applet
public void init() {}
void writeFileButton_actionPerformed(ActionEvent e) {
try{
PrintWriter writer = new PrintWriter(new FileOutputStream(writePath.getText()));
writer.println("Here is some text");
writer.close();
output.setText("Write was successful");
} catch (Exception ex){output.setText(ex.getMessage());}
}
void readSystemPropButton_actionPerformed(ActionEvent e) {
try{
output.setText(System.getProperty(systemProp.getText()));
} catch (Exception ex){output.setText("Error getting prop: " + ex.getMessage());}
}
void readFileButton_actionPerformed(ActionEvent e) {
try{
BufferedReader reader = new BufferedReader(new FileReader(readPath.getText()));
output.setText("Read was successful: " + reader.readLine());
} catch (Exception ex){output.setText(ex.getMessage());}
}
void connectSocketButton_actionPerformed(ActionEvent e) {
try{
Integer thePort = new Integer(port.getText());
Socket socket = new Socket(url.getText(), thePort.intValue());
socket.getOutputStream();
output.setText("Socket connection successful");
} catch (Exception ex){output.setText("Socket unsuccessfull: " + ex.getMessage());}
}
void frameButton_actionPerformed(ActionEvent e) {
JFrame frame = new JFrame("Does this Frame have a warning sign");
frame.setSize(200,200);
frame.show();
if (frame.getWarningString() == null)
output.setText("No warning string in frame");
else
output.setText(frame.getWarningString());
}
void clipBoard_actionPerformed(ActionEvent e) {
try {
Clipboard clip = Toolkit.getDefaultToolkit().getSystemClipboard();
Transferable trans = clip.getContents(null);
if (trans == null){
output.setText("Clipboard is empty");
return;
}
output.setText((String)trans.getTransferData(DataFlavor.stringFlavor));
}catch(Exception ex){ex.getMessage();}
}
void printButton_actionPerformed(ActionEvent e) {
try{
JFrame testFrame = new JFrame("test");
testFrame.getContentPane().add(this, BorderLayout.CENTER);
PrintJob printer = Toolkit.getDefaultToolkit().getPrintJob(testFrame, "Applet Print Test", null);
if (printer == null){
output.setText("PrintJob is null");
return;
}
Graphics g = printer.getGraphics();
g.drawString("This is the applet print test", 50, 50);
g.dispose();
printer.end();
}catch(Exception ex){ex.getMessage();}
}
//Main method
public static void main(String[] args) {
BadApplet applet = new BadApplet();
JFrame frame = new JFrame();
frame.setDefaultCloseOperation( WindowConstants.DISPOSE_ON_CLOSE );
frame.setTitle("Applet Frame");
frame.getContentPane().add(applet, BorderLayout.CENTER);
frame.setSize(400,320);
frame.setVisible(true);
applet.init();
applet.start();
}
}
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