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Sun Java Streaming XML Parser (SJSXP) is the implementation of JSR 173.
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/*
 * The Apache Software License, Version 1.1
 *
 *
 * Copyright (c) 2001, 2002 The Apache Software Foundation.  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. 
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 *    if and wherever such third-party acknowledgments normally appear.
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 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation and was
 * originally based on software copyright (c) 1999, International
 * Business Machines, Inc., http://www.apache.org.  For more
 * information on the Apache Software Foundation, please see
 * .
 */

package com.sun.xml.stream.xerces.xni.parser;

import java.io.IOException;

import com.sun.xml.stream.xerces.xni.XNIException;

/**
 * Represents a parser configuration that can be used as the 
 * configuration for a "pull" parser. A pull parser allows the
 * application to drive the parser instead of having document
 * information events "pushed" to the registered handlers.
 * 
 * A pull parser using this type of configuration first calls
 * the setInputSource method. After the input
 * source is set, the pull parser repeatedly calls the
 * parse(boolean):boolean method. This method 
 * returns a value of true if there is more to parse in the
 * document.
 * 
 * Calling the parse(XMLInputSource) is equivalent
 * to setting the input source and calling the 
 * parse(boolean):boolean method with a "complete" 
 * value of true.
 *
 * @author Andy Clark, IBM
 *
 * @version $Id: XMLPullParserConfiguration.java,v 1.3 2007-07-19 22:33:17 ofung Exp $
 */
public interface XMLPullParserConfiguration
    extends XMLParserConfiguration {

    //
    // XMLPullParserConfiguration methods
    //

    // parsing

    /**
     * Sets the input source for the document to parse.
     *
     * @param inputSource The document's input source.
     *
     * @exception XMLConfigurationException Thrown if there is a 
     *                        configuration error when initializing the
     *                        parser.
     * @exception IOException Thrown on I/O error.
     *
     * @see #parse(boolean)
     */
    public void setInputSource(XMLInputSource inputSource)
        throws XMLConfigurationException, IOException;

    /**
     * Parses the document in a pull parsing fashion.
     *
     * @param complete True if the pull parser should parse the
     *                 remaining document completely.
     *
     * @returns True if there is more document to parse.
     *
     * @exception XNIException Any XNI exception, possibly wrapping 
     *                         another exception.
     * @exception IOException  An IO exception from the parser, possibly
     *                         from a byte stream or character stream
     *                         supplied by the parser.
     *
     * @see #setInputSource
     */
    public boolean parse(boolean complete) throws XNIException, IOException;

    /**
     * If the application decides to terminate parsing before the xml document
     * is fully parsed, the application should call this method to free any
     * resource allocated during parsing. For example, close all opened streams.
     */
    public void cleanup();
    
} // interface XMLPullParserConfiguration