/*
 * Copyright (c) 2005, 2006, 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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 * THIS FILE WAS MODIFIED BY SUN MICROSYSTEMS, INC.
 */


package com.sun.xml.internal.fastinfoset.tools;

import com.sun.xml.internal.fastinfoset.Decoder;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;
import javax.xml.transform.sax.SAXSource;
import com.sun.xml.internal.org.jvnet.fastinfoset.FastInfosetSource;
import java.io.BufferedInputStream;
import java.io.InputStream;
import java.io.OutputStream;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMResult;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.sax.SAXResult;
import javax.xml.transform.stream.StreamSource;
import org.xml.sax.InputSource;
import org.xml.sax.XMLReader;

public class FI_SAX_Or_XML_SAX_DOM_SAX_SAXEvent extends TransformInputOutput {

    public FI_SAX_Or_XML_SAX_DOM_SAX_SAXEvent() {
    }

    public void parse(InputStream document, OutputStream events, String workingDirectory) throws Exception {
        if (!document.markSupported()) {
            document = new BufferedInputStream(document);
        }

        document.mark(4);
        boolean isFastInfosetDocument = Decoder.isFastInfosetDocument(document);
        document.reset();

        TransformerFactory tf = TransformerFactory.newInstance();
        Transformer t = tf.newTransformer();
        DOMResult dr = new DOMResult();

        if (isFastInfosetDocument) {
            t.transform(new FastInfosetSource(document), dr);
        } else if (workingDirectory != null) {
            SAXParser parser = getParser();
            XMLReader reader = parser.getXMLReader();
            reader.setEntityResolver(createRelativePathResolver(workingDirectory));
            SAXSource source = new SAXSource(reader, new InputSource(document));

            t.transform(source, dr);
        } else {
            t.transform(new StreamSource(document), dr);
        }

        SAXEventSerializer ses = new SAXEventSerializer(events);
        t.transform(new DOMSource(dr.getNode()), new SAXResult(ses));
    }

    public void parse(InputStream document, OutputStream events) throws Exception {
        parse(document, events, null);
    }

    private SAXParser getParser() {
        SAXParserFactory saxParserFactory = SAXParserFactory.newInstance();
        saxParserFactory.setNamespaceAware(true);
        try {
            return saxParserFactory.newSAXParser();
        } catch (Exception e) {
            return null;
        }
    }

    public static void main(String[] args) throws Exception {
        FI_SAX_Or_XML_SAX_DOM_SAX_SAXEvent p = new FI_SAX_Or_XML_SAX_DOM_SAX_SAXEvent();
        p.parse(args);
    }

}
