/*
 * The Apache Software License, Version 1.1
 *
 *
 * Copyright (c) 2000 The Apache Software Foundation.  All rights 
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer. 
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:  
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Xalan" and "Apache Software Foundation" must
 *    not be used to endorse or promote products derived from this
 *    software without prior written permission. For written 
 *    permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache",
 *    nor may "Apache" appear in their name, without prior written
 *    permission of the Apache Software Foundation.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation and was
 * originally based on software copyright (c) 1999, International
 * Business Machines, Inc., http://www.ibm.com.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 */
#if !defined(XALANTRANSFORMEROUTPUTSTREAM_HEADER_GUARD_1357924680)
#define XALANTRANSFORMEROUTPUTSTREAM_HEADER_GUARD_1357924680


// Base include file.  Must be first.
#include <XalanTransformer/XalanTransformerDefinitions.hpp>


// Base class header file.
#include <PlatformSupport/XalanOutputStream.hpp>


// A class for output to a user defined (callback) function.
class XALAN_TRANSFORMER_EXPORT XalanTransformerOutputStream : public XalanOutputStream
{
public:

	/**
	 * Construct a XalanTransformerOutputStream instance for output to a
	 * user defined (callback) function.
	 *
	 * @param theOutputHandle	void pointer passed through to callback.
	 * @param theOutputHandler	a user defined (callback) function.
	 * @param theFlushHandler	a user defined (callback) function.
	 */
    XalanTransformerOutputStream(
		void*						theOutputHandle, 
		XalanOutputHandlerType		theOutputHandler,
		XalanFlushHandlerType		theFlushHandler = 0);


    virtual
	~XalanTransformerOutputStream();

protected:

	virtual void
	writeData(const char*		theBuffer,
			  unsigned long		theBufferLength);

	virtual void
	doFlush();

private:	
	
    // These are not implemented...
    XalanTransformerOutputStream(const XalanTransformerOutputStream&);

    XalanTransformerOutputStream&
	operator=(const XalanTransformerOutputStream&);

	void* const				m_outputHandle;

	XalanOutputHandlerType	m_outputHandler;

	XalanFlushHandlerType	m_flushHandler;
};


#endif	// XALANTRANSFORMEROUTPUTSTREAM_HEADER_GUARD_1357924680