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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
*
* As a special exception, if you link this library with other files to
* produce an executable, this library does not by itself cause the
* resulting executable to be covered by the GNU General Public License.
* This exception does not however invalidate any other reasons why the
* executable file might be covered by the GNU General Public License.
*/
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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