//autoconfig.pac 
//-----------------------
//part of YaCy
//(C) by Michael Peter Christen; mc@anomic.de
//first published on http://www.anomic.de
//Frankfurt, Germany, 2004
//last major change: 12.07.2004
//
//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
//
//Using this software in any meaning (reading, learning, copying, compiling,
//running) means that you agree that the Author(s) is (are) not responsible
//for cost, loss of data or any harm that may be caused directly or indirectly
//by usage of this softare or this documentation. The usage of this software
//is on your own risk. The installation and usage (starting/running) of this
//software may allow other people or application to access your computer and
//any attached devices and is highly dependent on the configuration of the
//software which must be done by the user of the software; the author(s) is
//(are) also not responsible for proper configuration and usage of the
//software, even if provoked by documentation provided together with
//the software.
//
//Any changes to this file according to the GPL as documented in the file
//gpl.txt aside this file in the shipment you received can be done to the
//lines that follows this copyright notice here, but changes must not be
//done inside the copyright notive above. A re-distribution must contain
//the intact and unchanged copyright notice.
//Contributions and changes to the program code must be marked as such.

//you must compile this file with
//javac -classpath .:../Classes Status.java
//if the shell's current path is HTROOT

import de.anomic.http.httpHeader;
import de.anomic.server.serverObjects;
import de.anomic.server.serverSwitch;

public class autoconfig {
    
    /**
     * Generates a proxy-autoconfig-file (application/x-ns-proxy-autoconfig) 
     * See: <a href="http://wp.netscape.com/eng/mozilla/2.0/relnotes/demo/proxy-live.html">Proxy Auto-Config File Format</a> 
     * @param header the complete HTTP header of the request
     * @param post any arguments for this servlet, the request carried with (GET as well as POST)
     * @param env the serverSwitch object holding all runtime-data
     * @return the rewrite-properties for the template
     */
    public static serverObjects respond(httpHeader header, serverObjects post, serverSwitch<?> env) {
        
        serverObjects prop = new serverObjects();
        
        // getting the http host header
        String hostSocket = header.get(httpHeader.CONNECTION_PROP_HOST);
        
        String host = hostSocket;
        int port = 80, pos = hostSocket.indexOf(":");        
        if (pos != -1) {
            port = Integer.parseInt(hostSocket.substring(pos + 1));
            host = hostSocket.substring(0, pos);
        }    
        
        prop.put("host", host);
        prop.put("port", port);
        
        return prop;
    }
    
}