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 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Sun designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Sun in the LICENSE file that accompanied this code.
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
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/*
 * This file is available under and governed by the GNU General Public
 * License version 2 only, as published by the Free Software Foundation.
 * However, the following notice accompanied the original version of this
 * file and, per its terms, should not be removed:
 *
 * Copyright (c) 2004 World Wide Web Consortium,
 *
 * (Massachusetts Institute of Technology, European Research Consortium for
 * Informatics and Mathematics, Keio University). All Rights Reserved. This
 * work is distributed under the W3C(r) Software License [1] 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.
 *
 * [1] http://www.w3.org/Consortium/Legal/2002/copyright-software-20021231
 */

package org.w3c.dom.ls;

import org.w3c.dom.DOMException;

/**
 *  <code>DOMImplementationLS</code> contains the factory methods for creating 
 * Load and Save objects. 
 * <p> The expectation is that an instance of the 
 * <code>DOMImplementationLS</code> interface can be obtained by using 
 * binding-specific casting methods on an instance of the 
 * <code>DOMImplementation</code> interface or, if the <code>Document</code> 
 * supports the feature <code>"Core"</code> version <code>"3.0"</code> 
 * defined in [<a href='http://www.w3.org/TR/2004/REC-DOM-Level-3-Core-20040407'>DOM Level 3 Core</a>]
 * , by using the method <code>DOMImplementation.getFeature</code> with 
 * parameter values <code>"LS"</code> (or <code>"LS-Async"</code>) and 
 * <code>"3.0"</code> (respectively). 
 * <p>See also the <a href='http://www.w3.org/TR/2004/REC-DOM-Level-3-LS-20040407'>Document Object Model (DOM) Level 3 Load
and Save Specification</a>.
 */
public interface DOMImplementationLS {
    // DOMImplementationLSMode
    /**
     * Create a synchronous <code>LSParser</code>.
     */
    public static final short MODE_SYNCHRONOUS          = 1;
    /**
     * Create an asynchronous <code>LSParser</code>.
     */
    public static final short MODE_ASYNCHRONOUS         = 2;

    /**
     * Create a new <code>LSParser</code>. The newly constructed parser may 
     * then be configured by means of its <code>DOMConfiguration</code> 
     * object, and used to parse documents by means of its <code>parse</code>
     *  method. 
     * @param mode  The <code>mode</code> argument is either 
     *   <code>MODE_SYNCHRONOUS</code> or <code>MODE_ASYNCHRONOUS</code>, if 
     *   <code>mode</code> is <code>MODE_SYNCHRONOUS</code> then the 
     *   <code>LSParser</code> that is created will operate in synchronous 
     *   mode, if it's <code>MODE_ASYNCHRONOUS</code> then the 
     *   <code>LSParser</code> that is created will operate in asynchronous 
     *   mode. 
     * @param schemaType  An absolute URI representing the type of the schema 
     *   language used during the load of a <code>Document</code> using the 
     *   newly created <code>LSParser</code>. Note that no lexical checking 
     *   is done on the absolute URI. In order to create a 
     *   <code>LSParser</code> for any kind of schema types (i.e. the 
     *   LSParser will be free to use any schema found), use the value 
     *   <code>null</code>. 
     * <p ><b>Note:</b>    For W3C XML Schema [<a href='http://www.w3.org/TR/2001/REC-xmlschema-1-20010502/'>XML Schema Part 1</a>]
     *   , applications must use the value 
     *   <code>"http://www.w3.org/2001/XMLSchema"</code>. For XML DTD [<a href='http://www.w3.org/TR/2004/REC-xml-20040204'>XML 1.0</a>], 
     *   applications must use the value 
     *   <code>"http://www.w3.org/TR/REC-xml"</code>. Other Schema languages 
     *   are outside the scope of the W3C and therefore should recommend an 
     *   absolute URI in order to use this method. 
     * @return  The newly created <code>LSParser</code> object. This 
     *   <code>LSParser</code> is either synchronous or asynchronous 
     *   depending on the value of the <code>mode</code> argument. 
     * <p ><b>Note:</b>    By default, the newly created <code>LSParser</code> 
     *   does not contain a <code>DOMErrorHandler</code>, i.e. the value of 
     *   the "<a href='http://www.w3.org/TR/DOM-Level-3-Core/core.html#parameter-error-handler'>
     *   error-handler</a>" configuration parameter is <code>null</code>. However, implementations 
     *   may provide a default error handler at creation time. In that case, 
     *   the initial value of the <code>"error-handler"</code> configuration 
     *   parameter on the new <code>LSParser</code> object contains a 
     *   reference to the default error handler. 
     * @exception DOMException
     *    NOT_SUPPORTED_ERR: Raised if the requested mode or schema type is 
     *   not supported. 
     */
    public LSParser createLSParser(short mode, 
                                   String schemaType)
                                   throws DOMException;

    /**
     *  Create a new <code>LSSerializer</code> object. 
     * @return The newly created <code>LSSerializer</code> object.
     * <p ><b>Note:</b>    By default, the newly created 
     *   <code>LSSerializer</code> has no <code>DOMErrorHandler</code>, i.e. 
     *   the value of the <code>"error-handler"</code> configuration 
     *   parameter is <code>null</code>. However, implementations may 
     *   provide a default error handler at creation time. In that case, the 
     *   initial value of the <code>"error-handler"</code> configuration 
     *   parameter on the new <code>LSSerializer</code> object contains a 
     *   reference to the default error handler. 
     */
    public LSSerializer createLSSerializer();

    /**
     *  Create a new empty input source object where 
     * <code>LSInput.characterStream</code>, <code>LSInput.byteStream</code>
     * , <code>LSInput.stringData</code> <code>LSInput.systemId</code>, 
     * <code>LSInput.publicId</code>, <code>LSInput.baseURI</code>, and 
     * <code>LSInput.encoding</code> are null, and 
     * <code>LSInput.certifiedText</code> is false. 
     * @return  The newly created input object. 
     */
    public LSInput createLSInput();

    /**
     *  Create a new empty output destination object where 
     * <code>LSOutput.characterStream</code>, 
     * <code>LSOutput.byteStream</code>, <code>LSOutput.systemId</code>, 
     * <code>LSOutput.encoding</code> are null. 
     * @return  The newly created output object. 
     */
    public LSOutput createLSOutput();

}
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