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Version modificada de iText 2.1.7 con el paquete cambiado, adaptaciones menores para firma y dependencias actualizadas.
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/*
 * $Id: MarkedObject.java 3373 2008-05-12 16:21:24Z xlv $
 *
 * Copyright 2007 by Bruno Lowagie.
 *
 * The contents of this file are subject to the Mozilla Public License Version 1.1
 * (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.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the License.
 *
 * The Original Code is 'iText, a free JAVA-PDF library'.
 *
 * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
 * the Initial Developer are Copyright (C) 1999-2007 by Bruno Lowagie.
 * All Rights Reserved.
 * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
 * are Copyright (C) 2000-2007 by Paulo Soares. All Rights Reserved.
 *
 * Contributor(s): all the names of the contributors are added in the source code
 * where applicable.
 *
 * Alternatively, the contents of this file may be used under the terms of the
 * LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
 * provisions of LGPL are applicable instead of those above.  If you wish to
 * allow use of your version of this file only under the terms of the LGPL
 * License and not to allow others to use your version of this file under
 * the MPL, indicate your decision by deleting the provisions above and
 * replace them with the notice and other provisions required by the LGPL.
 * If you do not delete the provisions above, a recipient may use your version
 * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the MPL as stated above or under the terms of the GNU
 * Library General Public License as published by the Free Software Foundation;
 * either version 2 of the License, or any later version.
 *
 * This library 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 Library general Public License for more
 * details.
 *
 * If you didn't download this code from the following link, you should check if
 * you aren't using an obsolete version:
 * http://www.lowagie.com/iText/
 */

package com.aowagie.text;

import java.util.ArrayList;
import java.util.Properties;

/**
 * Wrapper that allows to add properties to 'basic building block' objects.
 * Before iText 1.5 every 'basic building block' implemented the MarkupAttributes interface.
 * By setting attributes, you could add markup to the corresponding XML and/or HTML tag.
 * This functionality was hardly used by anyone, so it was removed, and replaced by
 * the MarkedObject functionality.
 */

class MarkedObject implements Element {

	/** The element that is wrapped in a MarkedObject. */
	protected Element element;

	/** Contains extra markupAttributes */
	protected Properties markupAttributes = new Properties();

	/**
	 * This constructor is for internal use only.
	 */
	protected MarkedObject() {
		this.element = null;
	}

	/**
	 * Creates a MarkedObject.
	 */
	MarkedObject(final Element element) {
		this.element = element;
	}

    /**
     * Gets all the chunks in this element.
     *
     * @return  an ArrayList
     */
	@Override
	public ArrayList getChunks() {
		return this.element.getChunks();
	}

    /**
     * Processes the element by adding it (or the different parts) to an
     * ElementListener.
     *
     * @param       listener        an ElementListener
     * @return true if the element was processed successfully
     */
	public boolean process(final ElementListener listener) {
        try {
            return listener.add(this.element);
        }
        catch(final DocumentException de) {
            return false;
        }
	}

    /**
     * Gets the type of the text element.
     *
     * @return  a type
     */
	@Override
	public int type() {
		return MARKED;
	}

	/**
	 * @see com.aowagie.text.Element#isContent()
	 * @since	iText 2.0.8
	 */
	@Override
	public boolean isContent() {
		return true;
	}

	/**
	 * @see com.aowagie.text.Element#isNestable()
	 * @since	iText 2.0.8
	 */
	@Override
	public boolean isNestable() {
		return true;
	}

	/**
	 * Getter for the markup attributes.
	 * @return the markupAttributes
	 */
	public Properties getMarkupAttributes() {
		return this.markupAttributes;
	}

}