    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     * ColorObjectDescription.java
    029     * ---------------------------
    030     * (C)opyright 2003, 2004, by Thomas Morgner and Contributors.
    031     *
    032     * Original Author:  Thomas Morgner;
    033     * Contributor(s):   David Gilbert (for Object Refinery Limited);
    034     *
    035     * $Id: ColorObjectDescription.java,v 1.4 2005/11/14 11:01:17 mungady Exp $
    036     *
    037     * Changes (from 19-Feb-2003)
    038     * -------------------------
    039     * 19-Feb-2003 : Added standard header and Javadocs (DG);
    040     * 29-Apr-2003 : Distilled from the JFreeReport project and moved into JCommon
    041     */
    042
    043    package org.jfree.xml.factory.objects;
    044
    045    import java.awt.Color;
    046
    047    import org.jfree.util.PaintUtilities;
    048
    049    /**
    050     * An object-description for a <code>Color</code> object.
    051     *
    052     * @author Thomas Morgner
    053     */
    054    public class ColorObjectDescription extends AbstractObjectDescription {
    055
    056        /**
    057         * Creates a new object description.
    058         */
    059        public ColorObjectDescription() {
    060            super(Color.class);
    061            setParameterDefinition("value", String.class);
    062        }
    063
    064        /**
    065         * Creates an object based on this description.
    066         *
    067         * @return The object.
    068         */
    069        public Object createObject() {
    070            final String value = (String) getParameter("value");
    071            return PaintUtilities.stringToColor(value);
    072        }
    073
    074        /**
    075         * Sets the parameters of this description object to match the supplied object.
    076         *
    077         * @param o  the object (should be an instance of <code>Color</code>).
    078         *
    079         * @throws ObjectFactoryException if there is a problem while reading the
    080         * properties of the given object.
    081         */
    082        public void setParameterFromObject(final Object o) throws ObjectFactoryException {
    083            if (!(o instanceof Color)) {
    084                throw new ObjectFactoryException("Is no instance of java.awt.Color");
    085            }
    086            final Color c = (Color) o;
    087            setParameter("value", PaintUtilities.colorToString(c));
    088        }
    089    }