(2014-11-30 17:46:13)
[code]
/*
*@author William_Wilson
*@version 1.0
*Created May 12, 2007
*/
/*
*Import List
*/
import java.io.File;
import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.image.BufferedImage;
import java.awt.event.ActionListener;
import javax.swing.JPanel;
import javax.swing.JLabel;
import javax.swing.JButton;
import javax.swing.ImageIcon;
import javax.swing.JMenuItem;
import javax.swing.JTextArea;
import javax.imageio.ImageIO;
import javax.swing.JOptionPane;
import javax.swing.JFileChooser;
/*
*Steganography_Controller Class
*/
public class Steganography_Controller
{
//Program Variables
private Steganography_View view;
private Steganography model;
//Panel Displays
private JPanel decode_panel;
private JPanel encode_panel;
//Panel Variables
private JTextArea input;
private JButton encodeButton,decodeButton;
private JLabel image_input;
//Menu Variables
private JMenuItem encode;
private JMenuItem decode;
private JMenuItem exit;
//action event classes
private Encode enc;
private Decode dec;
private EncodeButton encButton;
private DecodeButton decButton;
//decode variable
private String stat_path = "";
private String stat_name = "";
/*
*Constructor to initialize view, model and environment variables
*@param aView A GUI class, to be saved as view
*@param aModel A model class, to be saved as model
*/
public Steganography_Controller(Steganography_View aView, Steganography aModel)
{
//program variables
view = aView;
model = aModel;
//assign View Variables
//2 views
encode_panel = view.getTextPanel();
decode_panel = view.getImagePanel();
//2 data options
input = view.getText();
image_input = view.getImageInput();
//2 buttons
encodeButton = view.getEButton();
decodeButton = view.getDButton();
//menu
encode = view.getEncode();
decode = view.getDecode();
exit = view.getExit();
//assign action events
enc = new Encode();
encode.addActionListener(enc);
dec = new Decode();
decode.addActionListener(dec);
exit.addActionListener(new Exit());
encButton = new EncodeButton();
encodeButton.addActionListener(encButton);
decButton = new DecodeButton();
decodeButton.addActionListener(decButton);
//encode view as default
encode_view();
}
/*
*Updates the single panel to display the Encode View.
*/
private void encode_view()
{
update();
view.setContentPane(encode_panel);
view.setVisible(true);
}
/*
*Updates the single panel to display the Decode View.
*/
private void decode_view()
{
update();
view.setContentPane(decode_panel);
view.setVisible(true);
}
/*
*Encode Class - handles the Encode menu item
*/
private class Encode implements ActionListener
{
/*
*handles the click event
*@param e The ActionEvent Object
*/
public void actionPerformed(ActionEvent e)
{
encode_view(); //show the encode view
}
}
/*
*Decode Class - handles the Decode menu item
*/
private class Decode implements ActionListener
{
/*
*handles the click event
*@param e The ActionEvent Object
*/
public void actionPerformed(ActionEvent e)
{
decode_view(); //show the decode view
//start path of displayed File Chooser
JFileChooser chooser = new JFileChooser("./");
chooser.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES);
chooser.setFileFilter(new Image_Filter());
int returnVal = chooser.showOpenDialog(view);
if (returnVal == JFileChooser.APPROVE_OPTION){
File directory = chooser.getSelectedFile();
try{
String image = directory.getPath();
stat_name = directory.getName();
stat_path = directory.getPath();
stat_path = stat_path.substring(0,stat_path.length()-stat_name.length()-1);
stat_name = stat_name.substring(0, stat_name.length()-4);
image_input.setIcon(new ImageIcon(ImageIO.read(new File(image))));
}
catch(Exception except) {
//msg if opening fails
JOptionPane.showMessageDialog(view, "The File cannot be opened!",
"Error!", JOptionPane.INFORMATION_MESSAGE);
}
}
}
}
/*
*Exit Class - handles the Exit menu item
*/
private class Exit implements ActionListener
{
/*
*handles the click event
*@param e The ActionEvent Object
*/
public void actionPerformed(ActionEvent e)
{
System.exit(0); //exit the program
}
}
/*
*Encode Button Class - handles the Encode Button item
*/
private class EncodeButton implements ActionListener
{
/*
*handles the click event
*@param e The ActionEvent Object
*/
public void actionPerformed(ActionEvent e)
{
//start path of displayed File Chooser
JFileChooser chooser = new JFileChooser("./");
chooser.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES);
chooser.setFileFilter(new Image_Filter());
int returnVal = chooser.showOpenDialog(view);
if (returnVal == JFileChooser.APPROVE_OPTION){
File directory = chooser.getSelectedFile();
try{
String text = input.getText();
String ext = Image_Filter.getExtension(directory);
String name = directory.getName();
String path = directory.getPath();
path = path.substring(0,path.length()-name.length()-1);
name = name.substring(0, name.length()-4);
String stegan = JOptionPane.showInputDialog(view,
"Enter output file name:", "File name",
JOptionPane.PLAIN_MESSAGE);
if(model.encode(path,name,ext,stegan,text))
{
JOptionPane.showMessageDialog(view, "The Image was encoded Successfully!",
"Success!", JOptionPane.INFORMATION_MESSAGE);
}
else
{
JOptionPane.showMessageDialog(view, "The Image could not be encoded!",
"Error!", JOptionPane.INFORMATION_MESSAGE);
}
//display the new image
decode_view();
image_input.setIcon(new ImageIcon(ImageIO.read(new File(path + "/" + stegan + ".png"))));
}
catch(Exception except) {
//msg if opening fails
JOptionPane.showMessageDialog(view, "The File cannot be opened!",
"Error!", JOptionPane.INFORMATION_MESSAGE);
}
}
}
}
/*
*Decode Button Class - handles the Decode Button item
*/
private class DecodeButton implements ActionListener
{
/*
*handles the click event
*@param e The ActionEvent Object
*/
public void actionPerformed(ActionEvent e)
{
String message = model.decode(stat_path, stat_name);
System.out.println(stat_path + ", " + stat_name);
if(message != "")
{
encode_view();
JOptionPane.showMessageDialog(view, "The Image was decoded Successfully!",
"Success!", JOptionPane.INFORMATION_MESSAGE);
input.setText(message);
}
else
{
JOptionPane.showMessageDialog(view, "The Image could not be decoded!",
"Error!", JOptionPane.INFORMATION_MESSAGE);
}
}
}
/*
*Updates the variables to an initial state
*/
public void update()
{
input.setText(""); //clear textarea
image_input.setIcon(null); //clear image
stat_path = ""; //clear path
stat_name = ""; //clear name
}
/*
*Main Method for testing
*/
public static void main(String args[])
{
new Steganography_Controller(
new Steganography_View("Steganography"),
new Steganography()
);
}
}
[/code]
(2014-11-25 10:27:54)
Siz hansı univeristetde oxuyursunuz? Bilmey isdiyirem ki, hansı univeristetde java keçiller.
(2014-11-25 02:54:26)
burda paylaşın, bəlkə kömək eləyə bildik.
p.s. yazı dilinizdə də xeyli sintaksis səhvləri var :)
Android 2.3-də Java JAR problemi
İnstagramdakı xüsusi bir hastagi necə çəkə bilərəm?
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