Java XML Parse Stream getParamStream(XMLOutputFactory outputFactory, XMLEventFactory eventFactory, XMLEventReader parser, XMLEvent paramEvent)

Description

get Param Stream

License

Open Source License

Declaration

public static byte[] getParamStream(XMLOutputFactory outputFactory, XMLEventFactory eventFactory,
            XMLEventReader parser, XMLEvent paramEvent) throws XMLStreamException, IOException 

Method Source Code

//package com.java2s;
/* /*from www . j  av a 2 s.  com*/
 * Copyright (c) 2012-present Jan To?ovsk? <jan.tosovsky.cz@gmail.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

import java.io.ByteArrayOutputStream;
import java.io.IOException;

import javax.xml.stream.XMLEventFactory;
import javax.xml.stream.XMLEventReader;
import javax.xml.stream.XMLEventWriter;

import javax.xml.stream.XMLOutputFactory;

import javax.xml.stream.XMLStreamException;

import javax.xml.stream.events.XMLEvent;

public class Main {
    public static byte[] getParamStream(XMLOutputFactory outputFactory, XMLEventFactory eventFactory,
            XMLEventReader parser, XMLEvent paramEvent) throws XMLStreamException, IOException {

        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
        XMLEventWriter writer = outputFactory.createXMLEventWriter(outputStream);

        // this skips all the attributes of the original <g> element to avoid ID duplications
        writer.add(eventFactory.createStartElement("", null, "g"));

        Integer level = 1;
        while (!(parser.hasNext() && paramEvent.isEndElement() && level == 0)) {
            paramEvent = parser.nextEvent();
            writer.add(paramEvent);
            if (paramEvent.isStartElement()) {
                level++;
            }
            if (paramEvent.isEndElement()) {
                level--;
            }
        }

        writer.flush();
        writer.close();

        return outputStream.toByteArray();
    }
}

Related

1. getNextStartElement(XMLStreamReader parser)
2. parse(DefaultHandler handler, InputStream in)
3. parse(final InputStream in)
4. parse(final InputStream inputStream)
5. parse(final InputStream is)