/*
* XNap
*
* A pure java file sharing client.
*
* See AUTHORS for copyright information.
*
* 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 version 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 program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
package xnap.user;
import xnap.XNap;
import xnap.net.IUser;
import xnap.util.EventVector;
import xnap.util.FileHelper;
import java.io.*;
import java.lang.reflect.*;
import java.util.*;
import org.apache.log4j.Logger;
public class UserManager extends EventVector
{
//--- Constant(s) ---
public static final String USER_REPOSITORY_FILENAME = "users";
public static final String[] CATEGORIES = { "",
XNap.tr("Hotlist"),
XNap.tr("Banned") };
//--- Data field(s) ---
private static Logger logger = Logger.getLogger(UserManager.class);
private static UserManager singleton = new UserManager();
private Hashtable usersByName = new Hashtable();
//--- Constructor(s) ---
protected UserManager()
{
try {
read();
}
catch (IOException e) {
logger.debug("error reading hotlist", e);
}
}
//--- Method(s) ---
public boolean add(UserData d)
{
if (d.parentClass != null) {
try {
d = convert(d);
Class c = Class.forName(d.parentClass);
Constructor ct = c.getConstructor(new Class[] { d.getClass() });
Object o = ct.newInstance(new Object[] {d});
if (o instanceof IUser) {
add((IUser)o);
return true;
}
}
catch (Exception e) {
logger.warn("error creating " + d.parentClass);
}
}
return false;
}
public void add(IUser o)
{
super.add(o);
usersByName.put(o.getName(), o);
}
public static UserManager getInstance()
{
return singleton;
}
public IUser get(String name)
{
return (IUser)usersByName.get(name);
}
public void read() throws IOException
{
LinkedList list = new LinkedList();
File f = new File(FileHelper.getHomeDir() + USER_REPOSITORY_FILENAME);
FileHelper.readBinary(f, list);
for (Iterator i = list.iterator(); i.hasNext();) {
Object o = i.next();
if (o instanceof UserData) {
add((UserData)o);
}
}
}
public void write()
{
LinkedList list = new LinkedList();
for (Iterator i = iterator(); i.hasNext();) {
IUser u = (IUser)i.next();
if (!u.isTemporary()) {
list.add(u.getData());
}
}
File f = new File(FileHelper.getHomeDir() + USER_REPOSITORY_FILENAME);
try {
FileHelper.writeBinary(f, list);
}
catch (IOException e) {
logger.debug("error writing hotlist", e);
}
}
/**
* Converts d.
*/
protected UserData2 convert(UserData d)
{
// convert UserData
if (d instanceof UserData2) {
return (UserData2)d;
}
else {
return new UserData2(d);
}
}
public static void reset(IUser u)
{
u.setChatIgnored(false);
u.setCategory("");
u.setMaxDownloads(IUser.TRANSFER_DEFAULT);
u.setMaxUploads(IUser.TRANSFER_DEFAULT);
u.setTemporary(true);
}
}