/* PacEvaluator.java
   Copyright (C) 2011 Red Hat, Inc.

This file is part of IcedTea.

IcedTea 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, version 2.

IcedTea 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 IcedTea; see the file COPYING.  If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 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
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*/

package net.sourceforge.jnlp.runtime;

import java.net.URL;

/**
 * This interface represents an object which can evaluate Proxy Auto Config
 * files.
 */
public interface PacEvaluator {
    /**
     * Get the proxies for accessing a given URL. The result is obtained by
     * evaluating the PAC file with the given url (and the host) as input.
     *
     * @param url the url for which a proxy is desired
     * @return a list of proxies in a string like
     * <pre>"PROXY foo.example.com:8080; PROXY bar.example.com:8080; DIRECT"</pre>
     */
    public String getProxies(URL url);
}