org.coode.owlapi.rdf.rdfxml.RDFXMLWriter Maven / Gradle / Ivy
/*
* This file is part of the OWL API.
*
* The contents of this file are subject to the LGPL License, Version 3.0.
*
* Copyright (C) 2011, The University of Manchester
*
* 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/.
*
*
* Alternatively, the contents of this file may be used under the terms of the Apache License, Version 2.0
* in which case, the provisions of the Apache License Version 2.0 are applicable instead of those above.
*
* Copyright 2011, University of Manchester
*
* 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
*
* 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.
*/
package org.coode.owlapi.rdf.rdfxml;
import java.io.IOException;
import org.coode.owlapi.rdf.model.RDFResourceNode;
import org.coode.xml.XMLWriter;
import org.semanticweb.owlapi.model.IRI;
import org.semanticweb.owlapi.model.OWLObject;
import org.semanticweb.owlapi.vocab.Namespaces;
/**
* @author Matthew Horridge, The University Of Manchester, Bio-Health
* Informatics Group, Date: 06-Dec-2006
*/
public class RDFXMLWriter {
private static final IRI RDF_RDF = IRI.create(
Namespaces.RDF.getPrefixIRI(), "RDF");
private static final IRI RDF_RESOURCE = IRI.create(
Namespaces.RDF.getPrefixIRI(), "resource");
private static final String XML_LANG = "xml:lang";
private static final IRI RDF_NODEID = IRI.create(
Namespaces.RDF.getPrefixIRI(), "nodeID");
private static final IRI RDF_ABOUT = IRI.create(
Namespaces.RDF.getPrefixIRI(), "about");
private static final IRI RDF_DATATYPE = IRI.create(
Namespaces.RDF.getPrefixIRI(), "datatype");
private static final IRI PARSETYPE_IRI = IRI.create(
Namespaces.RDF.getPrefixIRI(), "parseType");
private XMLWriter writer;
protected RDFXMLWriter(XMLWriter writer) {
this.writer = writer;
}
/**
* @param elementName
* elementName
* @throws IOException
* io exception
*/
public void writeStartElement(IRI elementName) throws IOException {
// Sort out with namespace
writer.writeStartElement(elementName);
}
/**
* @throws IOException
* io exception
*/
public void writeParseTypeAttribute() throws IOException {
writer.writeAttribute(PARSETYPE_IRI, "Collection");
}
/**
* @param datatypeIRI
* datatypeIRI
* @throws IOException
* io exception
*/
public void writeDatatypeAttribute(IRI datatypeIRI) throws IOException {
writer.writeAttribute(RDF_DATATYPE, datatypeIRI.toString());
}
/**
* @param text
* text
* @throws IOException
* io exception
*/
public void writeTextContent(String text) throws IOException {
writer.writeTextContent(text);
}
/**
* @param lang
* lang
* @throws IOException
* io exception
*/
public void writeLangAttribute(String lang) throws IOException {
writer.writeAttribute(XML_LANG, lang);
}
/**
* @throws IOException
* io exception
*/
public void writeEndElement() throws IOException {
writer.writeEndElement();
}
/**
* @param value
* value
* @throws IOException
* io exception
*/
public void writeAboutAttribute(IRI value) throws IOException {
writeAttribute(RDF_ABOUT, value);
}
/**
* @param node
* node
* @throws IOException
* io exception
*/
public void writeNodeIDAttribute(RDFResourceNode node) throws IOException {
writer.writeAttribute(RDF_NODEID, Integer.toString(node.getId()));
}
private void writeAttribute(IRI attributeName, IRI value)
throws IOException {
writer.writeAttribute(attributeName, value.toString());
}
/**
* @param owlObject
* owlObject
*/
@SuppressWarnings("unused")
public void writeOWLObject(OWLObject owlObject) {}
/**
* @param value
* value
* @throws IOException
* io exception
*/
public void writeResourceAttribute(IRI value) throws IOException {
writeAttribute(RDF_RESOURCE, value);
}
/**
* @throws IOException
* io exception
*/
public void startDocument() throws IOException {
writer.startDocument(RDF_RDF);
}
/**
* @throws IOException
* io exception
*/
public void endDocument() throws IOException {
writer.endDocument();
}
/**
* @param comment
* comment
* @throws IOException
* io exception
*/
public void writeComment(String comment) throws IOException {
writer.writeComment(comment);
}
}