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/* This file is part of the OWL API.
 * The contents of this file are subject to the LGPL License, Version 3.0.
 * Copyright 2014, 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.
 * 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.semanticweb.owlapi.rdf.rdfxml.renderer;

import org.semanticweb.owlapi.model.IRI;

/**
 * Developed as part of the CO-ODE project http://www.co-ode.org .
 *
 * @author Matthew Horridge, The University Of Manchester, Medical Informatics Group
 * @since 2.0.0
 */
public interface XMLWriter {

    /**
     * Sets the encoding for the document that the RDF writer produces. The default encoding is
     * {@code UTF-8}.
     *
     * @param encoding The encoding.
     */
    void setEncoding(String encoding);

    /**
     * Gets the Writer's namespace manager.
     *
     * @return The namespace manager.
     */
    XMLWriterNamespaceManager getNamespacePrefixes();

    /**
     * @return the XML base
     */
    String getXMLBase();

    /**
     * Causes the current element's attributes to be wrapped in the output.
     *
     * @param b If {@code true} then the attributes will be wrapped if they are long. If {@code
     * false} then no attribute wrapping will occur.
     */
    void setWrapAttributes(boolean b);

    /**
     * Starts writing the document. The root element will contain the namespace declarations and
     * xml:base attribute.
     *
     * @param rootElement The iri of the root element.
     */
    void startDocument(IRI rootElement);

    /**
     * Causes all open elements, including the document root element, to be closed.
     */
    void endDocument();

    /**
     * Writes the start of an element.
     *
     * @param name The tag name of the element to be written. This must be a valid QName. @throws
     *        IllegalElementNameException if the specified name is not a valid QName
     */
    void writeStartElement(IRI name);

    /**
     * Writes the closing tag of the last element to be started.
     */
    void writeEndElement();

    /**
     * Writes an attribute of the last element to be started (that has not been closed). Note: if
     * the attribute is an iri, use writeAttribute(IRI, String
     *
     * @param attr The name of the attribute
     * @param val The value of the attribute
     */
    void writeAttribute(String attr, String val);

    /**
     * Writes an attribute of the last element to be started (that has not been closed).
     *
     * @param attr The name of the attribute
     * @param val The value of the attribute
     */
    void writeAttribute(IRI attr, String val);

    /**
     * Writes a text element.
     *
     * @param text The text to be written
     */
    void writeTextContent(String text);

    /**
     * @param commentText comment text
     */
    void writeComment(String commentText);
}