/*
* This file is part of muCommander, http://www.mucommander.com
* Copyright (C) 2002-2016 Maxence Bernard
*
* muCommander is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* muCommander is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.mucommander.ui.dialog.server;
import com.mucommander.commons.file.Credentials;
import com.mucommander.commons.file.FileURL;
import com.mucommander.commons.file.protocol.FileProtocols;
import com.mucommander.commons.file.protocol.ftp.FTPFile;
import com.mucommander.text.Translator;
import com.mucommander.ui.dialog.DialogOwner;
import com.mucommander.ui.encoding.EncodingListener;
import com.mucommander.ui.encoding.EncodingSelectBox;
import com.mucommander.ui.main.MainFrame;
import javax.swing.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.net.MalformedURLException;
import java.text.ParseException;
/**
* This ServerPanel helps initiate FTP connections.
*
* @author Maxence Bernard
*/
public class FTPPanel extends ServerPanel implements ActionListener, EncodingListener {
private final static int STANDARD_PORT = FileURL.getRegisteredHandler(FileProtocols.FTP).getStandardPort();
private static Credentials ANONYMOUS_CREDENTIALS = FileURL.getRegisteredHandler(FileProtocols.FTP).getGuestCredentials();
private JTextField serverField;
private JTextField usernameField;
private JPasswordField passwordField;
private JTextField initialDirField;
private JSpinner portSpinner;
private JSpinner nbRetriesSpinner;
private JSpinner retryDelaySpinner;
private EncodingSelectBox encodingSelectBox;
private JCheckBox passiveCheckBox;
private JCheckBox anonymousCheckBox;
private static String lastServer = "";
private static String lastUsername = "";
private static String lastInitialDir = "/";
private static int lastPort = STANDARD_PORT;
private static String lastEncoding = FTPFile.DEFAULT_ENCODING;
// Not static so that it is not remembered (for security reasons)
private String lastPassword = "";
/** Passive mode is enabled by default because of firewall restrictions */
private static boolean passiveMode = true;
private static boolean anonymousUser;
FTPPanel(final ServerConnectDialog dialog, MainFrame mainFrame) {
super(dialog, mainFrame);
// Server field, initialized to last server entered
serverField = new JTextField(lastServer);
serverField.selectAll();
addTextFieldListeners(serverField, true);
addRow(Translator.get("server_connect_dialog.server"), serverField, 15);
// Username field, initialized to last username entered or 'anonymous' if anonymous user was previously selected
usernameField = new JTextField(anonymousUser?ANONYMOUS_CREDENTIALS.getLogin():lastUsername);
usernameField.selectAll();
usernameField.setEditable(!anonymousUser);
addTextFieldListeners(usernameField, false);
addRow(Translator.get("server_connect_dialog.username"), usernameField, 5);
// Password field, initialized to ""
passwordField = new JPasswordField();
addTextFieldListeners(passwordField, false);
addRow(Translator.get("password"), passwordField, 15);
// Initial directory field, initialized to "/"
initialDirField = new JTextField(lastInitialDir);
initialDirField.selectAll();
addTextFieldListeners(initialDirField, true);
addRow(Translator.get("server_connect_dialog.initial_dir"), initialDirField, 5);
// Port field, initialized to last port (default is 21)
portSpinner = createPortSpinner(lastPort);
addRow(Translator.get("server_connect_dialog.port"), portSpinner, 15);
// Encoding combo box
encodingSelectBox = new EncodingSelectBox(new DialogOwner(mainFrame), lastEncoding);
encodingSelectBox.addEncodingListener(this);
addRow(Translator.get("encoding"), encodingSelectBox, 15);
// Connection retries when server busy
nbRetriesSpinner = createIntSpinner(FTPFile.DEFAULT_NB_CONNECTION_RETRIES, 0, Integer.MAX_VALUE, 1);
addRow(Translator.get("ftp_connect.nb_connection_retries"), nbRetriesSpinner, 5);
// Delay between two retries
retryDelaySpinner = createIntSpinner(FTPFile.DEFAULT_CONNECTION_RETRY_DELAY, 0, Integer.MAX_VALUE, 1);
addRow(Translator.get("ftp_connect.retry_delay"), retryDelaySpinner, 15);
// Anonymous user checkbox
anonymousCheckBox = new JCheckBox(Translator.get("ftp_connect.anonymous_user"), anonymousUser);
anonymousCheckBox.addActionListener(this);
addRow("", anonymousCheckBox, 5);
// Passive mode checkbox
passiveCheckBox = new JCheckBox(Translator.get("ftp_connect.passive_mode"), passiveMode);
passiveCheckBox.addActionListener(this);
addRow("", passiveCheckBox, 0);
}
private void updateValues() {
lastServer = serverField.getText();
if(!anonymousUser) {
lastUsername = usernameField.getText();
lastPassword = new String(passwordField.getPassword());
}
lastInitialDir = initialDirField.getText();
lastPort = (Integer) portSpinner.getValue();
}
////////////////////////////////
// ServerPanel implementation //
////////////////////////////////
@Override
FileURL getServerURL() throws MalformedURLException {
updateValues();
if(!lastInitialDir.startsWith("/"))
lastInitialDir = "/"+lastInitialDir;
FileURL url = FileURL.getFileURL(FileProtocols.FTP+"://"+lastServer+lastInitialDir);
if(anonymousUser)
url.setCredentials(new Credentials(ANONYMOUS_CREDENTIALS.getLogin(), new String(passwordField.getPassword())));
else
url.setCredentials(new Credentials(lastUsername, lastPassword));
// Set port
url.setPort(lastPort);
// Set passiveMode property to true (default) or false
url.setProperty(FTPFile.PASSIVE_MODE_PROPERTY_NAME, ""+passiveMode);
// Set FTP encoding property
url.setProperty(FTPFile.ENCODING_PROPERTY_NAME, encodingSelectBox.getSelectedEncoding());
// Set connection retry properties
url.setProperty(FTPFile.NB_CONNECTION_RETRIES_PROPERTY_NAME, ""+nbRetriesSpinner.getValue());
url.setProperty(FTPFile.CONNECTION_RETRY_DELAY_PROPERTY_NAME, ""+retryDelaySpinner.getValue());
return url;
}
@Override
boolean usesCredentials() {
return true;
}
@Override
public void dialogValidated() {
// Commits the current spinner value in case it was being edited and 'enter' was pressed
// (the spinner value would otherwise not be committed)
try { portSpinner.commitEdit(); }
catch(ParseException e) { }
updateValues();
}
////////////////////////////
// ActionListener methods //
////////////////////////////
public void actionPerformed(ActionEvent e) {
Object source = e.getSource();
if(source == passiveCheckBox) {
passiveMode = passiveCheckBox.isSelected();
}
else if (source == anonymousCheckBox) {
updateValues();
anonymousUser = anonymousCheckBox.isSelected();
if(anonymousUser) {
usernameField.setEnabled(false);
usernameField.setText(ANONYMOUS_CREDENTIALS.getLogin());
passwordField.setEnabled(false);
passwordField.setText(ANONYMOUS_CREDENTIALS.getPassword());
}
else {
usernameField.setEnabled(true);
usernameField.setText(lastUsername);
passwordField.setEnabled(true);
passwordField.setText(lastPassword);
}
}
}
/////////////////////////////////////
// EncodingListener implementation //
/////////////////////////////////////
public void encodingChanged(Object source, String oldEncoding, String newEncoding) {
lastEncoding = newEncoding;
}
}