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/*
 * $Header: /l/extreme/cvs/codes/XPP3/java/src/java/xpath/org/xmlpull/v1/builder/xpath/saxpath/SAXPathEventSource.java,v 1.2 2010/01/25 16:08:17 aslom Exp $
 * $Revision: 1.2 $
 * $Date: 2010/01/25 16:08:17 $
 *
 * ====================================================================
 *
 * Copyright (C) 2000-2002 werken digital.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions, and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions, and the disclaimer that follows 
 *    these conditions in the documentation and/or other materials 
 *    provided with the distribution.
 *
 * 3. The name "SAXPath" must not be used to endorse or promote products
 *    derived from this software without prior written permission.  For
 *    written permission, please contact [email protected].
 * 
 * 4. Products derived from this software may not be called "SAXPath", nor
 *    may "SAXPath" appear in their name, without prior written permission
 *    from the SAXPath Project Management ([email protected]).
 * 
 * In addition, we request (but do not require) that you include in the 
 * end-user documentation provided with the redistribution and/or in the 
 * software itself an acknowledgement equivalent to the following:
 *     "This product includes software developed by the
 *      SAXPath Project (http://www.saxpath.org/)."
 * Alternatively, the acknowledgment may be graphical using the logos 
 * available at http://www.saxpath.org/
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE SAXPath AUTHORS OR THE PROJECT
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * ====================================================================
 * This software consists of voluntary contributions made by many 
 * individuals on behalf of the SAXPath Project and was originally 
 * created by bob mcwhirter  and 
 * James Strachan .  For more information on the 
 * SAXPath Project, please see .
 * 
 * $Id: SAXPathEventSource.java,v 1.2 2010/01/25 16:08:17 aslom Exp $
 */



package org.xmlpull.v1.builder.xpath.saxpath;

/** Interface for any object capable of generating
 *  SAXPath events to an {@link XPathHandler}.
 *
 *  @author bob mcwhirter ([email protected])
 */
public interface SAXPathEventSource
{
    /** Set the {@link XPathHandler} to receive
     *  event callbacks during the parse.
     *
     *  @param handler The handler to receive callbacks.
     */
    void setXPathHandler(XPathHandler handler);
    
    /** Retrieve the current {@link XPathHandler}
     *  which receives the event callbacks.
     *
     *  @return The currently installed  XPathHandler.
     */
    XPathHandler getXPathHandler();
    
}