Package org.odftoolkit.odfdom.pkg.rdfa

Source Code of org.odftoolkit.odfdom.pkg.rdfa.SAXRDFaParser

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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
*
* Copyright 2008, 2010 Oracle and/or its affiliates. All rights reserved.
*
* Use is subject to license terms.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy
* of the License at http://www.apache.org/licenses/LICENSE-2.0. You can also
* obtain a copy of the License at http://odftoolkit.org/docs/license.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*
* See the License for the specific language governing permissions and
* limitations under the License.
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************************************************************************/
package org.odftoolkit.odfdom.pkg.rdfa;

import java.util.Collection;
import java.util.EnumSet;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Set;

import javax.xml.XMLConstants;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLEventFactory;
import javax.xml.stream.XMLOutputFactory;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.events.Attribute;
import javax.xml.stream.events.StartElement;
import javax.xml.stream.events.XMLEvent;

import net.rootdev.javardfa.Constants;
import net.rootdev.javardfa.Setting;
import net.rootdev.javardfa.StatementSink;
import net.rootdev.javardfa.literal.LiteralCollector;
import net.rootdev.javardfa.uri.IRIResolver;

import org.xml.sax.Attributes;
import org.xml.sax.Locator;
import org.xml.sax.SAXException;

/**
* A RDFa parser for SAX
*/
public class SAXRDFaParser extends RDFaParser {
 

  public static SAXRDFaParser createInstance(JenaSink sink) {
    URIExtractor extractor = new URIExtractorImpl(new IRIResolver(), true);
    sink.setExtractor(extractor);
    return new SAXRDFaParser(sink, XMLOutputFactory.newInstance(),
        XMLEventFactory.newInstance(), extractor);
  }

  private SAXRDFaParser(JenaSink sink, XMLOutputFactory outputFactory,
      XMLEventFactory eventFactory, URIExtractor extractor) {
    super(sink, outputFactory, eventFactory, extractor);
  }

  public void emitTriples(String subj, Collection<String> props, String obj) {
    for (String prop : props) {
      sink.addObject(subj, prop, obj);
    }
  }

  public void emitTriplesPlainLiteral(String subj, Collection<String> props,
      String lex, String language) {
    for (String prop : props) {
      sink.addLiteral(subj, prop, lex, language, null);
    }
  }

  public void emitTriplesDatatypeLiteral(String subj,
      Collection<String> props, String lex, String datatype) {
    for (String prop : props) {
      sink.addLiteral(subj, prop, lex, null, datatype);
    }
  }

  public void setDocumentLocator(Locator arg0) {
    this.locator = arg0;
    if (locator.getSystemId() != null)
      this.setBase(arg0.getSystemId());
  }

  public void startDocument() throws SAXException {
    sink.start();
  }

  public void endDocument() throws SAXException {
    sink.end();
    sink.setContext(context);
  }

  public void startPrefixMapping(String arg0, String arg1)
      throws SAXException {
    context.setNamespaceURI(arg0, arg1);
    extractor.setNamespaceURI(arg0, arg1);
    sink.addPrefix(arg0, arg1);
  }

  public void endPrefixMapping(String arg0) throws SAXException {
  }

  public void startElement(String arg0, String localname, String qname,
      Attributes arg3) throws SAXException {
    super.beginRDFaElement(arg0, localname, qname, arg3);
  }

  public void endElement(String arg0, String localname, String qname)
      throws SAXException {
    super.endRDFaElement(arg0, localname, qname);
  }

  public void characters(char[] arg0, int arg1, int arg2) throws SAXException {
    super.writeCharacters(String.valueOf(arg0, arg1, arg2));
  }

  public void ignorableWhitespace(char[] arg0, int arg1, int arg2)
      throws SAXException {
    // System.err.println("Whitespace...");
    if (literalCollector.isCollecting()) {
      XMLEvent e = eventFactory.createIgnorableSpace(String.valueOf(arg0,
          arg1, arg2));
      literalCollector.handleEvent(e);
    }
  }

  public void processingInstruction(String arg0, String arg1)
      throws SAXException {
  }

  public void skippedEntity(String arg0) throws SAXException {
  }

}

/*
* (c) Copyright 2009 University of Bristol 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 name of the author may not
* be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 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 AUTHOR 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.
*/
 
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