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/*
* CookieManager.java
* Copyright (C) 2004 The Free Software Foundation
*
* This file is part of GNU inetlib, a library.
*
* GNU inetlib 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.
*
* GNU inetlib 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Linking this library statically or dynamically with other modules is
* making a combined work based on this library. Thus, the terms and
* conditions of the GNU General Public License cover the whole
* combination.
*
* As a special exception, the copyright holders of this library give you
* permission to link this library with independent modules to produce an
* executable, regardless of the license terms of these independent
* modules, and to copy and distribute the resulting executable under
* terms of your choice, provided that you also meet, for each linked
* independent module, the terms and conditions of the license of that
* module. An independent module is a module which is not derived from
* or based on this library. If you modify this library, you may extend
* this exception to your version of the library, but you are not
* obliged to do so. If you do not wish to do so, delete this
* exception statement from your version.
*/
package gnu.inet.http;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
/**
* A simple non-persistent cookie manager. This class can be extended to
* provide cookie persistence.
*
* @author <a href='mailto:dog@gnu.org'>Chris Burdess</a>
*/
public class SimpleCookieManager
implements CookieManager
{
/**
* The cookie cache.
* This is a dictionary mapping domains to maps of cookies by name.
*/
protected Map cookies;
/**
* Constructor.
*/
public SimpleCookieManager()
{
cookies = new HashMap();
}
public void setCookie(Cookie cookie)
{
String domain = cookie.getDomain();
Map map =(Map) cookies.get(domain);
if (map == null)
{
map = new HashMap();
cookies.put(domain, map);
}
String name = cookie.getName();
map.put(name, cookie); // will replace a cookie of the same name
}
public Cookie[] getCookies(String host, boolean secure, String path)
{
List matches = new ArrayList();
Date now = new Date();
if (Character.isLetter(host.charAt(0)))
{
int di = host.indexOf('.');
while (di != -1)
{
addCookies(matches, host, secure, path, now);
host = host.substring(di);
di = host.indexOf('.', 1);
}
}
addCookies(matches, host, secure, path, now);
Cookie[] ret = new Cookie[matches.size()];
matches.toArray(ret);
return ret;
}
private void addCookies(List matches, String domain, boolean secure,
String path, Date now)
{
Map map = (Map) cookies.get(domain);
if (map != null)
{
List expired = new ArrayList();
for (Iterator i = map.entrySet().iterator(); i.hasNext(); )
{
Map.Entry entry = (Map.Entry) i.next();
Cookie cookie = (Cookie) entry.getValue();
Date expires = cookie.getExpiryDate();
if (expires != null && expires.before(now))
{
expired.add(entry.getKey());
continue;
}
if (secure && !cookie.isSecure())
{
continue;
}
if (path.startsWith(cookie.getPath()))
{
matches.add(cookie);
}
}
// Good housekeeping
for (Iterator i = expired.iterator(); i.hasNext(); )
{
map.remove(i.next());
}
}
}
}
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