Package com.sun.xml.internal.fastinfoset.tools

Source Code of com.sun.xml.internal.fastinfoset.tools.SAX2StAXWriter

/*
* 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
* or visit www.oracle.com if you need additional information or have any
* questions.
*
* THIS FILE WAS MODIFIED BY SUN MICROSYSTEMS, INC.
*/



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

import com.sun.xml.internal.fastinfoset.QualifiedName;
import java.util.ArrayList;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamWriter;
import org.xml.sax.Attributes;
import org.xml.sax.Locator;
import org.xml.sax.SAXException;
import org.xml.sax.ext.LexicalHandler;
import org.xml.sax.helpers.DefaultHandler;

public class SAX2StAXWriter extends DefaultHandler implements LexicalHandler {

    /**
     * XML stream writer where events are pushed.
     */
    XMLStreamWriter _writer;

    /**
     * List of namespace decl for upcoming element.
     */
    ArrayList _namespaces = new ArrayList();

    public SAX2StAXWriter(XMLStreamWriter writer) {
        _writer = writer;
    }

    public XMLStreamWriter getWriter() {
        return _writer;
    }

    public void startDocument() throws SAXException {
        try {
            _writer.writeStartDocument();
        }
        catch (XMLStreamException e) {
            throw new SAXException(e);
        }
    }

    public void endDocument() throws SAXException {
        try {
            _writer.writeEndDocument();
            _writer.flush();
        }
        catch (XMLStreamException e) {
            throw new SAXException(e);
        }
    }

    public void characters(char[] ch, int start, int length)
        throws SAXException
    {
        try {
            _writer.writeCharacters(ch, start, length);
        }
        catch (XMLStreamException e) {
            throw new SAXException(e);
        }
    }

    public void startElement(String namespaceURI, String localName,
        String qName, Attributes atts) throws SAXException
    {
        try {
            int k = qName.indexOf(':');
            String prefix = (k > 0) ? qName.substring(0, k) : "";
            _writer.writeStartElement(prefix, localName, namespaceURI);

            int length = _namespaces.size();
            for (int i = 0; i < length; i++) {
                QualifiedName nsh = (QualifiedName) _namespaces.get(i);
                _writer.writeNamespace(nsh.prefix, nsh.namespaceName);
            }
            _namespaces.clear();

            length = atts.getLength();
            for (int i = 0; i < length; i++) {
                _writer.writeAttribute(atts.getURI(i),
                                       atts.getLocalName(i),
                                       atts.getValue(i));
            }
        }
        catch (XMLStreamException e) {
            throw new SAXException(e);
        }
    }

    public void endElement(String namespaceURI, String localName,
        String qName) throws SAXException
    {
        try {
            _writer.writeEndElement();
        }
        catch (XMLStreamException e) {
            e.printStackTrace();
            throw new SAXException(e);
        }
    }

    public void startPrefixMapping(String prefix, String uri)
        throws SAXException
    {
    // Commented as in StAX NS are declared for current element?
    // now _writer.setPrefix() is invoked in _writer.writeNamespace()
//        try {
//            _writer.setPrefix(prefix, uri);
            _namespaces.add(new QualifiedName(prefix, uri));
//        }
//        catch (XMLStreamException e) {
//            throw new SAXException(e);
//        }
    }

    public void endPrefixMapping(String prefix) throws SAXException {
    }

    public void ignorableWhitespace(char[] ch, int start, int length)
        throws SAXException
    {
        characters(ch, start, length);
    }

    public void processingInstruction(String target, String data)
        throws SAXException
    {
        try {
            _writer.writeProcessingInstruction(target, data);
        }
        catch (XMLStreamException e) {
            throw new SAXException(e);
        }
    }

    public void setDocumentLocator(Locator locator) {
    }

    public void skippedEntity(String name) throws SAXException {
    }

    public void comment(char[] ch, int start, int length)
        throws SAXException
    {
        try {
            _writer.writeComment(new String(ch, start, length));
        }
        catch (XMLStreamException e) {
            throw new SAXException(e);
        }
    }

    public void endCDATA() throws SAXException {
    }

    public void endDTD() throws SAXException {
    }

    public void endEntity(String name) throws SAXException {
    }

    public void startCDATA() throws SAXException {
    }

    public void startDTD(String name, String publicId, String systemId) throws SAXException {
    }

    public void startEntity(String name) throws SAXException {
    }

}
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