/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed 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. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*/
package com.sun.xml.internal.stream.buffer;
import com.sun.xml.internal.stream.buffer.sax.SAXBufferCreator;
import javax.xml.transform.sax.SAXResult;
import org.xml.sax.ContentHandler;
import org.xml.sax.ext.LexicalHandler;
/**
* A JAXP Result implementation that supports the serialization to an
* {@link MutableXMLStreamBuffer} for use by applications that expect a Result.
*
* <p>
* Reuse of a XMLStreamBufferResult more than once will require that the
* MutableXMLStreamBuffer is reset by called
* {@link #.getXMLStreamBuffer()}.reset(), or by calling
* {@link #.setXMLStreamBuffer()} with a new instance of
* {@link MutableXMLStreamBuffer}.
*
* <p>
* The derivation of XMLStreamBufferResult from SAXResult is an implementation
* detail.
*
* <p>General applications shall not call the following methods:
* <ul>
* <li>setHandler</li>
* <li>setLexicalHandler</li>
* <li>setSystemId</li>
* </ul>
*/
public class XMLStreamBufferResult extends SAXResult {
protected MutableXMLStreamBuffer _buffer;
protected SAXBufferCreator _bufferCreator;
/**
* The default XMLStreamBufferResult constructor.
*
* <p>
* A {@link MutableXMLStreamBuffer} is instantiated and used.
*/
public XMLStreamBufferResult() {
setXMLStreamBuffer(new MutableXMLStreamBuffer());
}
/**
* XMLStreamBufferResult constructor.
*
* @param buffer the {@link MutableXMLStreamBuffer} to use.
*/
public XMLStreamBufferResult(MutableXMLStreamBuffer buffer) {
setXMLStreamBuffer(buffer);
}
/**
* Get the {@link MutableXMLStreamBuffer} that is used.
*
* @return the {@link MutableXMLStreamBuffer}.
*/
public MutableXMLStreamBuffer getXMLStreamBuffer() {
return _buffer;
}
/**
* Set the {@link MutableXMLStreamBuffer} to use.
*
* @param buffer the {@link MutableXMLStreamBuffer}.
*/
public void setXMLStreamBuffer(MutableXMLStreamBuffer buffer) {
if (buffer == null) {
throw new NullPointerException("buffer cannot be null");
}
_buffer = buffer;
setSystemId(_buffer.getSystemId());
if (_bufferCreator != null) {
_bufferCreator.setXMLStreamBuffer(_buffer);
}
}
public ContentHandler getHandler() {
if (_bufferCreator == null) {
_bufferCreator = new SAXBufferCreator(_buffer);
setHandler(_bufferCreator);
} else if (super.getHandler() == null) {
setHandler(_bufferCreator);
}
return _bufferCreator;
}
public LexicalHandler getLexicalHandler() {
return (LexicalHandler) getHandler();
}
}