package com.btr.proxy.selector.pac;

/***************************************************************************
 * Common interface for PAC script parsers.
 * 
 * @author Bernd Rosstauscher (proxyvole@rosstauscher.de) Copyright 2009
 ***************************************************************************/
public interface PacScriptParser {

	/***************************************************************************
	 * Gets the source of the PAC script used by this parser.
	 * 
	 * @return a PacScriptSource.
	 **************************************************************************/
	public PacScriptSource getScriptSource();

	/*************************************************************************
	 * Evaluates the given URL and host against the PAC script.
	 * 
	 * @param url
	 *            the URL to evaluate.
	 * @param host
	 *            the host name part of the URL.
	 * @return the script result.
	 * @throws ProxyEvaluationException
	 *             on execution error.
	 ************************************************************************/
	public String evaluate(String url, String host) throws ProxyEvaluationException;
}