/************************************************************************ * * The Contents of this file are made available subject to the terms of * * - GNU Lesser General Public License Version 2.1 * * Sun Microsystems Inc., October, 2000 * * GNU Lesser General Public License Version 2.1 * ============================================= * Copyright 2000 by Sun Microsystems, Inc. * 901 San Antonio Road, Palo Alto, CA 94303, USA * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License version 2.1, as published by the Free Software Foundation. * * 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA * * The Initial Developer of the Original Code is: Sun Microsystems, Inc. * * Copyright: 2000 by Sun Microsystems, Inc. * * All Rights Reserved. * * Contributor(s): _______________________________________ * * ************************************************************************/ // This version is adapted for Writer2LaTeX // Version 1.4 (2012-03-19) package writer2latex.xmerge; //import java.io.ByteArrayInputStream; import java.io.IOException; import javax.xml.parsers.DocumentBuilder; import javax.xml.parsers.DocumentBuilderFactory; import javax.xml.parsers.ParserConfigurationException; import org.w3c.dom.Document; //import org.xml.sax.EntityResolver; //import org.xml.sax.InputSource; import org.xml.sax.SAXException; /** * This class represents those embedded objects in an OpenOffice.org document * that have an XML representation. Currently, according to the OpenOffice.org * File Format 1.0 document, there are 6 such objects: * * Formulae created with Math (application/vnd.sun.xml.math) * Charts created with Chart (application/vnd.sun.xml.chart) * Spreadsheets created with Calc (application/vnd.sun.xml.calc) * Text created with Writer (application/vnd.sun.xml.writer) * Drawings created with Draw (application/vnd.sun.xml.draw) * Presentations created with Impress (application/vnd.sun.xml.impress) * * These object types are stored using a combination of content, settings and styles * XML files. */ public class EmbeddedXMLObject extends EmbeddedObject { // Entries for the subdocuments that constitute this object; protected Document contentDOM = null; protected Document settingsDOM = null; protected Document stylesDOM = null; private DocumentBuilder builder = null; /** * Constructor for an embedded object stored using an XML representation. * * @param name The name of the object. * @param type The mime-type of the object. See the class summary. */ public EmbeddedXMLObject(String name, String type) { super(name, type); } /** * Package private constructor for use when reading an object from a * compressed SX? file. * * @param name The name of the object. * @param type The mime-type of the object. See the class summary. * @param source The OfficeZip representation of the SX? file that stores * the object. */ EmbeddedXMLObject(String name, String type, OfficeZip source) { super(name, type, source); } /** * Returns the content data for this embedded object. * * @return DOM represenation of "content.xml" * * @throws SAXException If any parser error occurs * @throws IOException If any IO error occurs */ public Document getContentDOM() throws SAXException, IOException { if (contentDOM == null) { contentDOM = getNamedDOM("content.xml"); } return contentDOM; } /** * Sets the content data for the embedded object. * * @param content DOM representation of the object's content. */ /*public void setContentDOM(Document content) { contentDOM = content; hasChanged = true; }*/ /** * Returns the settings data for this embedded object. * * @return DOM represenation of "settings.xml" * * @throws SAXException If any parser error occurs * @throws IOException If any IO error occurs */ public Document getSettingsDOM() throws SAXException, IOException { if (settingsDOM == null) { settingsDOM = getNamedDOM("settings.xml"); } return settingsDOM; } /** * Sets the settings data for the embedded object. * * @param settings DOM representation of the object's settings. */ /*public void setSettingsDOM(Document settings) { settingsDOM = settings; hasChanged = true; }*/ /** * Returns the style data for this embedded object. * * @return DOM represenation of "styles.xml" * * @throws SAXException If any parser error occurs * @throws IOException If any IO error occurs */ public Document getStylesDOM() throws SAXException, IOException { if (stylesDOM == null) { stylesDOM = getNamedDOM("styles.xml"); } return stylesDOM; } /** * Sets the styles data for the embedded object. * * @param styles DOM representation of the object's styles. */ /*public void setStylesDOM(Document styles) { stylesDOM = styles; hasChanged = true; }*/ /** * This method extracts the data for the given XML file from the SX? file * and creates a DOM representation of it. * * @param name The name of the XML file to retrieve. It is paired with * the object name to access the SX? file. * * @return DOM representation of the named XML file. * * @throws SAXException If any parser error occurs * @throws IOException If any IO error occurs */ private Document getNamedDOM(String name) throws SAXException, IOException { if (zipFile == null) { return null; } try { if (builder == null) { DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); factory.setValidating(false); builder = factory.newDocumentBuilder(); } byte[] data = zipFile.getNamedBytes(new String(objName + "/" + name)); if (data != null) { return OfficeDocument.parse(builder, data); } else { return null; } } catch (SAXException se) { throw se; } catch (IOException ioe) { throw ioe; } catch (ParserConfigurationException pce) { throw new SAXException(pce); } } }