001    /* ===========================================================
002     * JFreeChart : a free chart library for the Java(tm) platform
003     * ===========================================================
004     *
005     * (C) Copyright 2000-2008, 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     * XYZURLGenerator.java
029     * --------------------
030     * (C) Copyright 2003-2008, by Object Refinery Limited and Contributors.
031     *
032     * Original Author:  David Gilbert (for Object Refinery Limited);
033     * Contributors:     -;
034     *
035     * Changes:
036     * --------
037     * 03-Feb-2003 : Version 1 (DG);
038     * 13-Dec-2007 : Updated API docs (DG);
039     *
040     */
041    
042    package org.jfree.chart.urls;
043    
044    import org.jfree.data.xy.XYZDataset;
045    
046    /**
047     * Interface for a URL generator for plots that uses data from an
048     * {@link XYZDataset}.  Classes that implement this interface are responsible
049     * for correctly escaping any text that is derived from the dataset, as this
050     * may be user-specified and could pose a security risk.
051     */
052    public interface XYZURLGenerator extends XYURLGenerator {
053    
054        /**
055         * Generates a URL for a particular item within a series. As a guideline,
056         * the URL should be valid within the context of an XHTML 1.0 document.
057         *
058         * @param dataset  the dataset (<code>null</code> not permitted).
059         * @param series  the series index (zero-based).
060         * @param item  the item index (zero-based).
061         *
062         * @return A string containing the generated URL.
063         */
064        public String generateURL(XYZDataset dataset, int series, int item);
065    
066    }