DeleteEncypted.java
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package cryptor;
import javax.swing.*;
import javax.swing.filechooser.FileView;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.security.GeneralSecurityException;
import java.text.SimpleDateFormat;
import java.util.Date;
class DeleteEncypted extends Frame {
String fileIn;
String fileName;
String userId;
String userPW;
DeleteEncypted(String title, String ID, String PW){
//Frame(String title)을 호출한다.
super(title);
userId = ID;
userPW = PW;
//Label의 text정렬을 오른쪽으로
String folderDir = ".\\" + userId + "\\Encrypted";
final File dirToLock = new File(folderDir);
if(!dirToLock.exists())
{
JOptionPane.showMessageDialog(null,"No files have been encrypted!");
return;
}
JFileChooser jfc = new JFileChooser(dirToLock);
jfc.setFileView(new FileView() {
@Override
public Boolean isTraversable(File f) {
return dirToLock.equals(f);
}
});
jfc.showOpenDialog(null);
fileIn = jfc.getSelectedFile().getAbsolutePath();
File file = new File(fileIn);
if(file.exists())
{
String fileName = file.getName();
String passwd2 = userId + ' ' + userPW;
char[] password2 = passwd2.toCharArray();
String dir = ".\\" + userId + "\\logs\\" + fileName + ".txt";
String dir2 = ".\\" + userId + "\\logs\\" + fileName + ".log";
try {
Cryptor.decrypt(dir2, dir, password2);
} catch (IOException ioException) {
ioException.printStackTrace();
} catch (GeneralSecurityException generalSecurityException) {
generalSecurityException.printStackTrace();
}
FileOutputStream fos = null;
try {
fos = new FileOutputStream(dir,true);
} catch (FileNotFoundException fileNotFoundException) {
fileNotFoundException.printStackTrace();
}
SimpleDateFormat format1 = new SimpleDateFormat( "yyyy-MM-dd HH:mm");
Date time = new Date();
String time1 = format1.format(time);
String toWrite = "DEL\t" + time1 + '\t' + "Finished using File" + '\n';
byte[] b = toWrite.getBytes();
try {
fos.write(b);
} catch (IOException ioException) {
ioException.printStackTrace();
}
try {
fos.flush();
} catch (IOException ioException) {
ioException.printStackTrace();
}
try {
fos.close();
} catch (IOException ioException) {
ioException.printStackTrace();
}
try {
Cryptor.encrypt(dir, dir2, password2);
} catch (IOException ioException) {
ioException.printStackTrace();
} catch (GeneralSecurityException generalSecurityException) {
generalSecurityException.printStackTrace();
}
File temp = new File(dir);
temp.delete();
file.delete();
}
}
public static void main(String args[]){
DeleteEncypted f = new DeleteEncypted("Login", "user1", "12345678");
}
class EventHandler implements ActionListener{
public void actionPerformed(ActionEvent e){
dispose();
}
}
}