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      1 /*
      2  * Copyright (c) 2004 World Wide Web Consortium,
      3  *
      4  * (Massachusetts Institute of Technology, European Research Consortium for
      5  * Informatics and Mathematics, Keio University). All Rights Reserved. This
      6  * work is distributed under the W3C(r) Software License [1] in the hope that
      7  * it will be useful, but WITHOUT ANY WARRANTY; without even the implied
      8  * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
      9  *
     10  * [1] http://www.w3.org/Consortium/Legal/2002/copyright-software-20021231
     11  */
     12 
     13 package org.w3c.dom.ls;
     14 
     15 import org.w3c.dom.DOMException;
     16 
     17 /**
     18  *  <code>DOMImplementationLS</code> contains the factory methods for creating
     19  * Load and Save objects.
     20  * <p> The expectation is that an instance of the
     21  * <code>DOMImplementationLS</code> interface can be obtained by using
     22  * binding-specific casting methods on an instance of the
     23  * <code>DOMImplementation</code> interface or, if the <code>Document</code>
     24  * supports the feature <code>"Core"</code> version <code>"3.0"</code>
     25  * defined in [<a href='http://www.w3.org/TR/2004/REC-DOM-Level-3-Core-20040407'>DOM Level 3 Core</a>]
     26  * , by using the method <code>DOMImplementation.getFeature</code> with
     27  * parameter values <code>"LS"</code> (or <code>"LS-Async"</code>) and
     28  * <code>"3.0"</code> (respectively).
     29  * <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
     30 and Save Specification</a>.
     31  */
     32 public interface DOMImplementationLS {
     33     // DOMImplementationLSMode
     34     /**
     35      * Create a synchronous <code>LSParser</code>.
     36      */
     37     public static final short MODE_SYNCHRONOUS          = 1;
     38     /**
     39      * Create an asynchronous <code>LSParser</code>.
     40      */
     41     public static final short MODE_ASYNCHRONOUS         = 2;
     42 
     43     /**
     44      * Create a new <code>LSParser</code>. The newly constructed parser may
     45      * then be configured by means of its <code>DOMConfiguration</code>
     46      * object, and used to parse documents by means of its <code>parse</code>
     47      *  method.
     48      * @param mode  The <code>mode</code> argument is either
     49      *   <code>MODE_SYNCHRONOUS</code> or <code>MODE_ASYNCHRONOUS</code>, if
     50      *   <code>mode</code> is <code>MODE_SYNCHRONOUS</code> then the
     51      *   <code>LSParser</code> that is created will operate in synchronous
     52      *   mode, if it's <code>MODE_ASYNCHRONOUS</code> then the
     53      *   <code>LSParser</code> that is created will operate in asynchronous
     54      *   mode.
     55      * @param schemaType  An absolute URI representing the type of the schema
     56      *   language used during the load of a <code>Document</code> using the
     57      *   newly created <code>LSParser</code>. Note that no lexical checking
     58      *   is done on the absolute URI. In order to create a
     59      *   <code>LSParser</code> for any kind of schema types (i.e. the
     60      *   LSParser will be free to use any schema found), use the value
     61      *   <code>null</code>.
     62      * <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>]
     63      *   , applications must use the value
     64      *   <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>],
     65      *   applications must use the value
     66      *   <code>"http://www.w3.org/TR/REC-xml"</code>. Other Schema languages
     67      *   are outside the scope of the W3C and therefore should recommend an
     68      *   absolute URI in order to use this method.
     69      * @return  The newly created <code>LSParser</code> object. This
     70      *   <code>LSParser</code> is either synchronous or asynchronous
     71      *   depending on the value of the <code>mode</code> argument.
     72      * <p ><b>Note:</b>    By default, the newly created <code>LSParser</code>
     73      *   does not contain a <code>DOMErrorHandler</code>, i.e. the value of
     74      *   the "<a href='http://www.w3.org/TR/DOM-Level-3-Core/core.html#parameter-error-handler'>
     75      *   error-handler</a>" configuration parameter is <code>null</code>. However, implementations
     76      *   may provide a default error handler at creation time. In that case,
     77      *   the initial value of the <code>"error-handler"</code> configuration
     78      *   parameter on the new <code>LSParser</code> object contains a
     79      *   reference to the default error handler.
     80      * @exception DOMException
     81      *    NOT_SUPPORTED_ERR: Raised if the requested mode or schema type is
     82      *   not supported.
     83      */
     84     public LSParser createLSParser(short mode,
     85                                    String schemaType)
     86                                    throws DOMException;
     87 
     88     /**
     89      *  Create a new <code>LSSerializer</code> object.
     90      * @return The newly created <code>LSSerializer</code> object.
     91      * <p ><b>Note:</b>    By default, the newly created
     92      *   <code>LSSerializer</code> has no <code>DOMErrorHandler</code>, i.e.
     93      *   the value of the <code>"error-handler"</code> configuration
     94      *   parameter is <code>null</code>. However, implementations may
     95      *   provide a default error handler at creation time. In that case, the
     96      *   initial value of the <code>"error-handler"</code> configuration
     97      *   parameter on the new <code>LSSerializer</code> object contains a
     98      *   reference to the default error handler.
     99      */
    100     public LSSerializer createLSSerializer();
    101 
    102     /**
    103      *  Create a new empty input source object where
    104      * <code>LSInput.characterStream</code>, <code>LSInput.byteStream</code>
    105      * , <code>LSInput.stringData</code> <code>LSInput.systemId</code>,
    106      * <code>LSInput.publicId</code>, <code>LSInput.baseURI</code>, and
    107      * <code>LSInput.encoding</code> are null, and
    108      * <code>LSInput.certifiedText</code> is false.
    109      * @return  The newly created input object.
    110      */
    111     public LSInput createLSInput();
    112 
    113     /**
    114      *  Create a new empty output destination object where
    115      * <code>LSOutput.characterStream</code>,
    116      * <code>LSOutput.byteStream</code>, <code>LSOutput.systemId</code>,
    117      * <code>LSOutput.encoding</code> are null.
    118      * @return  The newly created output object.
    119      */
    120     public LSOutput createLSOutput();
    121 
    122 }
    123