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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;


 This interface represents an output destination for data.

 This interface allows an application to encapsulate information about
an output destination in a single object, which may include a URI, a byte
stream (possibly with a specified encoding), a base URI, and/or a
character stream.

 The exact definitions of a byte stream and a character stream are
binding dependent.

 The application is expected to provide objects that implement this
interface whenever such objects are needed. The application can either
provide its own objects that implement this interface, or it can use the
generic factory method DOMImplementationLS.createLSOutput()
to create objects that implement this interface.

 The LSSerializer will use the LSOutput object
to determine where to serialize the output to. The
LSSerializer will look at the different outputs specified in
the LSOutput in the following order to know which one to
output to, the first one that is not null and not an empty string will be
used:

    

  1.  LSOutput.characterStream

    2. 

  2. 
LSOutput.byteStream

    3. 

  3.  LSOutput.systemId

    4. 



 LSOutput objects belong to the application. The DOM
implementation will never modify them (though it may make copies and
modify the copies, if necessary).

See also the Document Object Model (DOM) Level 3 Load
and Save Specification.

Since:1.5
/**
 *  This interface represents an output destination for data.
 * <p> This interface allows an application to encapsulate information about
 * an output destination in a single object, which may include a URI, a byte
 * stream (possibly with a specified encoding), a base URI, and/or a
 * character stream.
 * <p> The exact definitions of a byte stream and a character stream are
 * binding dependent.
 * <p> The application is expected to provide objects that implement this
 * interface whenever such objects are needed. The application can either
 * provide its own objects that implement this interface, or it can use the
 * generic factory method <code>DOMImplementationLS.createLSOutput()</code>
 * to create objects that implement this interface.
 * <p> The <code>LSSerializer</code> will use the <code>LSOutput</code> object
 * to determine where to serialize the output to. The
 * <code>LSSerializer</code> will look at the different outputs specified in
 * the <code>LSOutput</code> in the following order to know which one to
 * output to, the first one that is not null and not an empty string will be
 * used:
 * <ol>
 * <li> <code>LSOutput.characterStream</code>
 * </li>
 * <li>
 * <code>LSOutput.byteStream</code>
 * </li>
 * <li> <code>LSOutput.systemId</code>
 * </li>
 * </ol>
 * <p> <code>LSOutput</code> objects belong to the application. The DOM
 * implementation will never modify them (though it may make copies and
 * modify the copies, if necessary).
 * <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>.
 *
 * @since 1.5
 */
public interface LSOutput {
    
 An attribute of a language and binding dependent type that represents
a writable stream to which 16-bit units can be output.

/**
     *  An attribute of a language and binding dependent type that represents
     * a writable stream to which 16-bit units can be output.
     */
    public java.io.Writer getCharacterStream();
    
 An attribute of a language and binding dependent type that represents
a writable stream to which 16-bit units can be output.

/**
     *  An attribute of a language and binding dependent type that represents
     * a writable stream to which 16-bit units can be output.
     */
    public void setCharacterStream(java.io.Writer characterStream);

    
 An attribute of a language and binding dependent type that represents
a writable stream of bytes.

/**
     *  An attribute of a language and binding dependent type that represents
     * a writable stream of bytes.
     */
    public java.io.OutputStream getByteStream();
    
 An attribute of a language and binding dependent type that represents
a writable stream of bytes.

/**
     *  An attribute of a language and binding dependent type that represents
     * a writable stream of bytes.
     */
    public void setByteStream(java.io.OutputStream byteStream);

    
 The system identifier, a URI reference [IETF RFC 2396], for this
output destination.

 If the system ID is a relative URI reference (see section 5 in [IETF RFC 2396]), the
behavior is implementation dependent.

/**
     *  The system identifier, a URI reference [<a href='http://www.ietf.org/rfc/rfc2396.txt'>IETF RFC 2396</a>], for this
     * output destination.
     * <br> If the system ID is a relative URI reference (see section 5 in [<a href='http://www.ietf.org/rfc/rfc2396.txt'>IETF RFC 2396</a>]), the
     * behavior is implementation dependent.
     */
    public String getSystemId();
    
 The system identifier, a URI reference [IETF RFC 2396], for this
output destination.

 If the system ID is a relative URI reference (see section 5 in [IETF RFC 2396]), the
behavior is implementation dependent.

/**
     *  The system identifier, a URI reference [<a href='http://www.ietf.org/rfc/rfc2396.txt'>IETF RFC 2396</a>], for this
     * output destination.
     * <br> If the system ID is a relative URI reference (see section 5 in [<a href='http://www.ietf.org/rfc/rfc2396.txt'>IETF RFC 2396</a>]), the
     * behavior is implementation dependent.
     */
    public void setSystemId(String systemId);

    
 The character encoding to use for the output. The encoding must be a
string acceptable for an XML encoding declaration ([XML 1.0] section
4.3.3 "Character Encoding in Entities"), it is recommended that
character encodings registered (as charsets) with the Internet
Assigned Numbers Authority [IANA-CHARSETS]
 should be referred to using their registered names.

/**
     *  The character encoding to use for the output. The encoding must be a
     * string acceptable for an XML encoding declaration ([<a href='https://www.w3.org/TR/xml/'>XML 1.0</a>] section
     * 4.3.3 "Character Encoding in Entities"), it is recommended that
     * character encodings registered (as charsets) with the Internet
     * Assigned Numbers Authority [<a href='http://www.iana.org/assignments/character-sets/character-sets.xhtml'>IANA-CHARSETS</a>]
     *  should be referred to using their registered names.
     */
    public String getEncoding();
    
 The character encoding to use for the output. The encoding must be a
string acceptable for an XML encoding declaration ([XML 1.0] section
4.3.3 "Character Encoding in Entities"), it is recommended that
character encodings registered (as charsets) with the Internet
Assigned Numbers Authority [IANA-CHARSETS]
 should be referred to using their registered names.

/**
     *  The character encoding to use for the output. The encoding must be a
     * string acceptable for an XML encoding declaration ([<a href='https://www.w3.org/TR/xml/'>XML 1.0</a>] section
     * 4.3.3 "Character Encoding in Entities"), it is recommended that
     * character encodings registered (as charsets) with the Internet
     * Assigned Numbers Authority [<a href='http://www.iana.org/assignments/character-sets/character-sets.xhtml'>IANA-CHARSETS</a>]
     *  should be referred to using their registered names.
     */
    public void setEncoding(String encoding);

}