/*
 * The Apache Software License, Version 1.1
 *
 *
 * Copyright (c) 1999 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/>.
 *
 * $ Id: $
 *
 */

#include "XSLTInputSource.hpp"


#include <cassert>


#include <framework/URLInputSource.hpp>
#include <util/BinFileInputStream.hpp>


#include <PlatformSupport/DOMStringHelper.hpp>
#include <PlatformSupport/StdBinInputStream.hpp>
#include <PlatformSupport/URISupport.hpp>


XSLTInputSource::XSLTInputSource() :
	InputSource(),
	m_stream(0),
	m_node(0)
{
}


XSLTInputSource::XSLTInputSource(const XMLCh*	systemId) :
	InputSource(systemId),
	m_stream(0),
	m_node(0)
{
}


XSLTInputSource::XSLTInputSource(
			const XMLCh*	systemId,
			const XMLCh*	publicId) :
	InputSource(systemId, publicId),
	m_stream(0),
	m_node(0)
{
}


XSLTInputSource::XSLTInputSource(const char*	systemId) :
	InputSource(systemId),
	m_stream(0),
	m_node(0)
{
}


XSLTInputSource::XSLTInputSource(
			const char*		systemId,
			const char*		publicId) :
	InputSource(systemId,
				publicId),
	m_stream(0),
	m_node(0)
{
}


XSLTInputSource::XSLTInputSource(XalanNode*		node) :
	InputSource(),
	m_stream(0),
	m_node(node)
{
}


#if defined(XALAN_NO_NAMESPACES)
XSLTInputSource::XSLTInputSource(istream*		stream) :
#else
XSLTInputSource::XSLTInputSource(std::istream*	stream) :
#endif
	InputSource(),
	m_stream(stream),
	m_node(0)
{
}


BinInputStream*
XSLTInputSource::makeStream() const
{
	BinInputStream*		theResult = 0;

	if (m_stream != 0)
	{
		theResult = new StdBinInputStream(*m_stream);
	}
	else if (m_node == 0)
	{
		const XalanDOMChar* const	theSystemId = getSystemId();

		if (theSystemId != 0)
		{
			const URISupport::URLAutoPtrType	theURL(URISupport::getURLFromString(theSystemId));

			theResult = theURL->makeNewStream();
		}
	}

	return theResult;
}