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/*
 * Copyright (c) 2005, 2018 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Distribution License v. 1.0, which is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

package com.sun.xml.stream.buffer;

import com.sun.xml.stream.buffer.sax.SAXBufferProcessor;
import java.io.ByteArrayInputStream;
import javax.xml.transform.sax.SAXSource;
import org.xml.sax.InputSource;
import org.xml.sax.XMLReader;

/**
 * A JAXP Source implementation that supports the parsing
 * of {@link XMLStreamBuffer} for use by applications that expect a Source.
 *
 * 

* The derivation of XMLStreamBufferSource from SAXSource is an implementation * detail. * *

Applications shall obey the following restrictions: *

    *
  • The setXMLReader and setInputSource shall not be called.
  • *
  • The XMLReader object obtained by the getXMLReader method shall * be used only for parsing the InputSource object returned by * the getInputSource method.
  • *
  • The InputSource object obtained by the getInputSource method shall * be used only for being parsed by the XMLReader object returned by * the getXMLReader method.
  • *
*/ public class XMLStreamBufferSource extends SAXSource { protected XMLStreamBuffer _buffer; protected SAXBufferProcessor _bufferProcessor; /** * XMLStreamBufferSource constructor. * * @param buffer the {@link XMLStreamBuffer} to use. */ public XMLStreamBufferSource(XMLStreamBuffer buffer) { super(new InputSource( new ByteArrayInputStream(new byte[0]))); setXMLStreamBuffer(buffer); } /** * Get the {@link XMLStreamBuffer} that is used. * * @return the {@link XMLStreamBuffer}. */ public XMLStreamBuffer getXMLStreamBuffer() { return _buffer; } /** * Set the {@link XMLStreamBuffer} to use. * * @param buffer the {@link XMLStreamBuffer}. */ public void setXMLStreamBuffer(XMLStreamBuffer buffer) { if (buffer == null) { throw new NullPointerException("buffer cannot be null"); } _buffer = buffer; if (_bufferProcessor != null) { _bufferProcessor.setBuffer(_buffer,false); } } public XMLReader getXMLReader() { if (_bufferProcessor == null) { _bufferProcessor = new SAXBufferProcessor(_buffer,false); setXMLReader(_bufferProcessor); } else if (super.getXMLReader() == null) { setXMLReader(_bufferProcessor); } return _bufferProcessor; } }




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