modifikationer på java applet
Jeg vil gerne have følgende java applet til at1. Gemme filen som PHPSESSID.orig_ext
2. Kun at kunne tilvælge een fil at uploade.
3. Efter een succesfuld upload, skal upload knappen disables og først enables ved refresh.
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import java.awt.*;
import java.awt.event.*;
import java.io.*;
import javax.swing.*;
import javax.swing.text.*;
import org.apache.commons.net.ftp.*;
import org.apache.commons.net.io.*;
public class FtpUploadApplet extends JApplet implements ActionListener, MouseListener {
private JTextArea files;
private JButton select;
private JButton upload;
private JProgressBar progress;
private String dirname;
private String[] filenames;
public boolean[] selected;
public void init() {
getContentPane().setLayout(new BorderLayout());
files = new JTextArea();
files.addMouseListener(this);
files.setFont(new Font("Courier", Font.PLAIN, files.getFont().getSize()));
getContentPane().add(new JScrollPane(files), BorderLayout.CENTER);
select = new JButton("Select dir");
select.addActionListener(this);
upload = new JButton("Upload");
upload.addActionListener(this);
JPanel btns = new JPanel();
btns.setLayout(new GridLayout(1, 2));
btns.add(select);
btns.add(upload);
getContentPane().add(btns, BorderLayout.SOUTH);
progress = new JProgressBar();
progress.setStringPainted(true);
getContentPane().add(progress, BorderLayout.NORTH);
}
private void update() {
StringBuffer sb = new StringBuffer("");
for(int i = 0; i < filenames.length; i++) {
sb.append(selected[i] ? "*" : " ");
sb.append(filenames[i]);
sb.append("\r\n");
}
files.setText(sb.toString());
}
public void actionPerformed(ActionEvent ev) {
if(ev.getSource() == select) {
JFileChooser chooser = new JFileChooser(System.getProperty("user.home"));
chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
if(chooser.showOpenDialog(this) == JFileChooser.APPROVE_OPTION) {
File dir = chooser.getSelectedFile();
dirname = dir.getAbsolutePath();
filenames = dir.list();
selected = new boolean[filenames.length];
update();
}
}
if(ev.getSource() == upload) {
for(int i = 0; i < filenames.length; i++) {
if(selected[i]) {
upload(dirname, filenames[i]);
}
}
}
}
public void mouseClicked(MouseEvent ev) {
try {
int pos = files.getCaretPosition();
int ix = files.getLineOfOffset(pos);
selected[ix] = !selected[ix];
update();
files.setCaretPosition(pos);
} catch (BadLocationException ex) {
ex.printStackTrace();
}
}
public void mousePressed(MouseEvent e) {
}
public void mouseReleased(MouseEvent e) {
}
public void mouseEntered(MouseEvent e) {
}
public void mouseExited(MouseEvent e) {
}
private void upload(String dirname, String filename) {
Thread t = new UploadThread(dirname + File.separator + filename, filename, this);
t.start();
}
public void setMax(final long max) {
EventQueue.invokeLater(new Runnable() {
public void run() {
progress.setMaximum((int)(max/1024));
}
});
}
public void setCur(final long cur) {
EventQueue.invokeLater(new Runnable() {
public void run() {
progress.setValue((int)(cur/1024));
}
});
}
}
class UploadThread extends Thread implements CopyStreamListener{
private static final String FTP_SERVER = "arne";
private static final String FTP_USER = "arne";
private static final String FTP_PASSWORD = "hemmeligt";
private static final String FTP_SERVERDIR = "FTPTEST";
private String localfnm;
private String remotefnm;
private FtpUploadApplet applet;
public UploadThread(String localfnm, String remotefnm, FtpUploadApplet applet) {
this.localfnm = localfnm;
this.remotefnm = remotefnm;
this.applet = applet;
}
public void run() {
try {
FTPClient client = new FTPClient();
client.connect(FTP_SERVER);
client.login(FTP_USER, FTP_PASSWORD);
client.changeWorkingDirectory(FTP_SERVERDIR);
client.setFileType(FTPClient.BINARY_FILE_TYPE);
File f = new File(localfnm);
InputStream is = new FileInputStream(f);
OutputStream os = client.storeFileStream(remotefnm);
applet.setMax(f.length());
applet.setCur(0);
Util.copyStream(is, os, 100000, f.length(), this);
is.close();
os.close();
client.disconnect();
JOptionPane.showMessageDialog(null, localfnm + " uploaded");
} catch (Exception e) {
JOptionPane.showMessageDialog(null, localfnm + " not uploaded" + ": " + e);
}
}
@Override
public void bytesTransferred(CopyStreamEvent event) {
}
@Override
public void bytesTransferred(long totalBytesTransferred, int bytesTransferred, long streamSize) {
applet.setCur(totalBytesTransferred);
}
}
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