    001    /* ===========================================================
    002     * JFreeChart : a free chart library for the Java(tm) platform
    003     * ===========================================================
    004     *
    005     * (C) Copyright 2000-2007, by Object Refinery Limited and Contributors.
    006     *
    007     * Project Info:  http://www.jfree.org/jfreechart/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     * URLTagFragmentGenerator.java
    029     * ----------------------------
    030     * (C) Copyright 2003-2007, by Richard Atkinson and Contributors.
    031     *
    032     * Original Author:  Richard Atkinson;
    033     *
    034     * Changes
    035     * -------
    036     * 12-Aug-2003 : Version 1 (RA);
    037     * 13-Dec-2007 : Updated API docs (DG);
    038     *
    039     */
    040
    041    package org.jfree.chart.imagemap;
    042
    043    import org.jfree.chart.urls.CategoryURLGenerator;
    044    import org.jfree.chart.urls.PieURLGenerator;
    045    import org.jfree.chart.urls.XYURLGenerator;
    046    import org.jfree.chart.urls.XYZURLGenerator;
    047
    048    /**
    049     * Interface for generating the URL fragment of an HTML image map area tag.
    050     */
    051    public interface URLTagFragmentGenerator {
    052
    053        /**
    054         * Generates a URL string to go in an HTML image map.
    055         * <br><br>
    056         * Note that the <code>urlText</code> will be created by a URL generator
    057         * (such as {@link CategoryURLGenerator}, {@link PieURLGenerator},
    058         * {@link XYURLGenerator} or {@link XYZURLGenerator}) and that generator is
    059         * responsible for ensuring that the URL text is correctly escaped.
    060         *
    061         * @param urlText  the URL text (fully escaped).
    062         *
    063         * @return The formatted HTML area tag attribute(s).
    064         */
    065        public String generateURLFragment(String urlText);
    066
    067    }