EDIT

/**

 * Copyright (C) 2007 EDIT

 * European Distributed Institute of Taxonomy

 * http://www.e-taxonomy.eu

 *

 * The contents of this file are subject to the Mozilla Public License Version 1.1

 * See LICENSE.TXT at the top of this package for the full license terms.

 */

package eu.etaxonomy.cdm.print.out.odf;

import org.apache.logging.log4j.LogManager;

import org.apache.logging.log4j.Logger;

import org.jdom.Document;

import org.jdom.JDOMException;

import org.jdom.output.DOMOutputter;

import org.odftoolkit.odfdom.doc.OdfTextDocument;

import org.odftoolkit.odfdom.dom.element.office.OfficeTextElement;

import org.odftoolkit.odfdom.incubator.doc.office.OdfOfficeAutomaticStyles;

import org.odftoolkit.odfdom.pkg.OdfFileDom;

import org.w3c.dom.Node;

import org.w3c.dom.NodeList;

/**

  * @author n.hoffmann

 * @since Apr 20, 2010

 */

public class DocumentCreator {

	private static final Logger logger = LogManager.getLogger(DocumentCreator.class);

	private OdfTextDocument outputDocument;

	private OdfFileDom contentDom; // the document object model for content.xml

	private OdfFileDom stylesDom; // the document object model for styles.xml

	// the office:automatic-styles element in content.xml

	private OdfOfficeAutomaticStyles contentAutoStyles;

	// the office:styles element in styles.xml

	private StylesFactory stylesFactory;

	// the office:text element in the content.xml file

	private OfficeTextElement officeText;

	public OdfTextDocument create(Document document) throws JDOMException {

		if (setupOutputDocument()) {

			cleanOutDocument();

			stylesFactory = new StylesFactory(outputDocument);

			DOMOutputter domOutputter = new DOMOutputter();

			org.w3c.dom.Document output;

			output = domOutputter.output(document);

			Node firstChild = output.getFirstChild();

			org.w3c.dom.Document officeDocument = officeText.getOwnerDocument();

			Node node = officeDocument.importNode(firstChild, true);

			NodeList childNodes = node.getChildNodes();

			for (int i = 0; i < childNodes.getLength(); i++){

				officeText.appendChild(childNodes.item(i));

			}

			return outputDocument;

		}

		return null;

	}

	private boolean setupOutputDocument() {

		try {

			outputDocument = OdfTextDocument.newTextDocument();

			contentDom = outputDocument.getContentDom();

			stylesDom = outputDocument.getStylesDom();

			officeText = outputDocument.getContentRoot();

			contentAutoStyles = contentDom.getOrCreateAutomaticStyles();

			return true;

		} catch (Exception e) {

			logger.error("Unable to create output document.", e);

			outputDocument = null;

		}

		return false;

	}

	/*

	 * The default document has some content in it already (in the case of a

	 * text document, a <text:p>. Clean out all the old stuff.

	 */

	void cleanOutDocument() {

		Node childNode;

		childNode = officeText.getFirstChild();

		while (childNode != null) {

			officeText.removeChild(childNode);

			childNode = officeText.getFirstChild();

		}

	}

}