    001    /* ========================================================================
    002     * JCommon : a free general purpose class library for the Java(tm) platform
    003     * ========================================================================
    004     *
    005     * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
    006     *
    007     * Project Info:  http://www.jfree.org/jcommon/index.html
    008     *
    009     * This library is free software; you can redistribute it and/or modify it
    010     * under the terms of the GNU Lesser General Public License as published by
    011     * the Free Software Foundation; either version 2.1 of the License, or
    012     * (at your option) any later version.
    013     *
    014     * This library is distributed in the hope that it will be useful, but
    015     * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
    016     * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
    017     * License for more details.
    018     *
    019     * You should have received a copy of the GNU Lesser General Public
    020     * License along with this library; if not, write to the Free Software
    021     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
    022     * USA.
    023     *
    024     * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
    025     * in the United States and other countries.]
    026     *
    027     * ---------------
    028     * FontReadHandler
    029     * ---------------
    030     * (C) Copyright 2003, by Thomas Morgner and Contributors.
    031     *
    032     * Original Author:  Thomas Morgner;
    033     * Contributor(s):   David Gilbert (for Object Refinery Limited);
    034     *
    035     * $Id: FontReadHandler.java,v 1.2 2005/10/18 13:33:32 mungady Exp $
    036     *
    037     * Changes (from 25-Nov-2003)
    038     * --------------------------
    039     * 25-Nov-2003 : Added standard header and Javadocs (DG);
    040     *
    041     */
    042
    043    package org.jfree.xml.parser.coretypes;
    044
    045    import java.awt.Font;
    046
    047    import org.jfree.xml.parser.AbstractXmlReadHandler;
    048    import org.xml.sax.Attributes;
    049    import org.xml.sax.SAXException;
    050
    051    /**
    052     * A SAX handler for reading a font definition.
    053     */
    054    public class FontReadHandler extends AbstractXmlReadHandler  {
    055
    056        /** The font under construction. */
    057        private Font font;
    058
    059        /**
    060         * Creates a new SAX handler for reading a {@link Font} from XML.
    061         */
    062        public FontReadHandler() {
    063            super();
    064        }
    065
    066        /**
    067         * Called at the start of parsing a font element, this method reads the attributes and
    068         * constructs the font.
    069         *
    070         * @param attrs  the attributes.
    071         *
    072         * @throws SAXException to indicate a parsing error.
    073         */
    074        protected void startParsing(final Attributes attrs) throws SAXException {
    075            final String family = attrs.getValue("family");
    076            final int size = Integer.parseInt(attrs.getValue("size"));
    077            final int style = getFontStyle(attrs.getValue("style"));
    078            this.font = new Font(family, style, size);
    079        }
    080
    081        /**
    082         * Converts a string to a font style constant.
    083         *
    084         * @param style  the style as text.
    085         *
    086         * @return The font style.
    087         */
    088        private int getFontStyle (final String style) {
    089            if ("bold-italic".equals(style)) {
    090                return Font.BOLD | Font.ITALIC;
    091            }
    092            if ("bold".equals(style)) {
    093                return Font.BOLD;
    094            }
    095            if ("italic".equals(style)) {
    096                return Font.ITALIC;
    097            }
    098            return Font.PLAIN;
    099        }
    100
    101        /**
    102         * Returns the font under construction.
    103         *
    104         * @return the font.
    105         */
    106        public Object getObject() {
    107            return this.font;
    108        }
    109
    110    }