/*
GNU GENERAL PUBLIC LICENSE
Copyright (C) 2006 The Lobo Project
This program 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
verion 2 of the License, or (at your option) any later version.
This program 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 library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Contact info: lobochief@users.sourceforge.net
*/
/*
* Created on Jul 9, 2005
*/
package org.lobobrowser.settings;
import java.net.InetSocketAddress;
import java.net.PasswordAuthentication;
import java.net.Proxy;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.lobobrowser.security.GenericLocalPermission;
import org.lobobrowser.store.StorageManager;
import org.lobobrowser.util.io.NetRoutines;
/**
* Connection settings. This is a singleton class with an instance obtained by
* calling {@link #getInstance()}.
*/
public class ConnectionSettings implements java.io.Serializable {
private static final Logger logger = Logger.getLogger(ConnectionSettings.class.getName());
private static final ConnectionSettings instance;
private static final long serialVersionUID = 22574500000000301L;
private Proxy.Type proxyType = Proxy.Type.DIRECT;
private InetSocketAddress socketAddress = null;
private String userName;
private String password;
private boolean authenticated;
private boolean disableProxyForLocalAddresses;
private transient Proxy proxy;
static {
ConnectionSettings ins = null;
try {
ins = (ConnectionSettings) StorageManager.getInstance().retrieveSettings(ConnectionSettings.class.getSimpleName(),
ConnectionSettings.class.getClassLoader());
} catch (final Exception err) {
logger.log(Level.WARNING, "getInstance(): Unable to retrieve settings.", err);
}
if (ins == null) {
ins = new ConnectionSettings();
}
instance = ins;
}
private ConnectionSettings() {
restoreDefaults();
}
public void restoreDefaults() {
this.proxyType = Proxy.Type.DIRECT;
this.userName = "";
this.password = "";
this.authenticated = false;
this.socketAddress = null;
this.disableProxyForLocalAddresses = true;
synchronized (this) {
this.proxy = null;
}
}
/**
* Gets the class singleton.
*/
public static ConnectionSettings getInstance() {
final SecurityManager sm = System.getSecurityManager();
if (sm != null) {
sm.checkPermission(GenericLocalPermission.EXT_GENERIC);
}
return instance;
}
/**
* Gets a non-<code>null</code> <code>Proxy</code> insteance.
*/
public Proxy getProxy(final String host) {
synchronized (this) {
if (this.proxy == null) {
final InetSocketAddress sa = this.socketAddress;
if ((this.proxyType == Proxy.Type.DIRECT) || (sa == null)) {
this.proxy = Proxy.NO_PROXY;
} else {
this.proxy = new Proxy(this.proxyType, sa);
}
}
Proxy proxy = this.proxy;
if ((proxy != Proxy.NO_PROXY) && this.disableProxyForLocalAddresses) {
if (NetRoutines.isLocalAddress(host)) {
proxy = Proxy.NO_PROXY;
}
}
return proxy;
}
}
public PasswordAuthentication getPasswordAuthentication() {
final String userName = this.userName;
final String password = this.password;
if (!this.isAuthenticated() || (userName == null) || (password == null)) {
return null;
}
return new PasswordAuthentication(userName, password.toCharArray());
}
/**
* @return Returns the authenticated.
*/
public boolean isAuthenticated() {
return authenticated;
}
/**
* @param authenticated
* The authenticated to set.
*/
public void setAuthenticated(final boolean authenticated) {
this.authenticated = authenticated;
synchronized (this) {
this.proxy = null;
}
}
/**
* @return Returns the password.
*/
public String getPassword() {
return password;
}
/**
* @param password
* The password to set.
*/
public void setPassword(final String password) {
this.password = password;
synchronized (this) {
this.proxy = null;
}
}
/**
* @return Returns the userName.
*/
public String getUserName() {
return userName;
}
/**
* @param userName
* The userName to set.
*/
public void setUserName(final String userName) {
this.userName = userName;
synchronized (this) {
this.proxy = null;
}
}
/**
* @return Returns the proxyType.
*/
public Proxy.Type getProxyType() {
return proxyType;
}
/**
* @param proxyType
* The proxyType to set.
*/
public void setProxyType(final Proxy.Type proxyType) {
this.proxyType = proxyType;
synchronized (this) {
this.proxy = null;
}
}
/**
* @return Returns the socketAddress.
*/
public InetSocketAddress getInetSocketAddress() {
return socketAddress;
}
/**
* @param socketAddress
* The socketAddress to set.
*/
public void setInetSocketAddress(final InetSocketAddress socketAddress) {
this.socketAddress = socketAddress;
synchronized (this) {
this.proxy = null;
}
}
public boolean isDisableProxyForLocalAddresses() {
return disableProxyForLocalAddresses;
}
public void setDisableProxyForLocalAddresses(final boolean disableProxyForLocalAddresses) {
this.disableProxyForLocalAddresses = disableProxyForLocalAddresses;
synchronized (this) {
this.proxy = null;
}
}
public void save() {
try {
StorageManager.getInstance().saveSettings(this.getClass().getSimpleName(), this);
} catch (final java.io.IOException ioe) {
logger.log(Level.WARNING, "save(): Unable to save settings", ioe);
}
}
}