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jfreechart example source code file (PieURLGenerator.java)

This example jfreechart source code file (PieURLGenerator.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - jfreechart tags/keywords

comparable, comparable, pieurlgenerator, pieurlgenerator, string, string

The jfreechart PieURLGenerator.java source code

/* ===========================================================
 * JFreeChart : a free chart library for the Java(tm) platform
 * ===========================================================
 * (C) Copyright 2000-2008, by Object Refinery Limited and Contributors.
 * Project Info:  http://www.jfree.org/jfreechart/index.html
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
 * USA.
 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
 * in the United States and other countries.]
 * --------------------
 * PieURLGenerator.java
 * --------------------
 * (C) Copyright 2002-2008, by Richard Atkinson and Contributors.
 * Original Author:  Richard Atkinson;
 * Contributors:     David Gilbert (for Object Refinery Limited);
 * Changes:
 * --------
 * 05-Aug-2002 : Version 1, contributed by Richard Atkinson;
 * 09-Oct-2002 : Fixed errors reported by Checkstyle (DG);
 * 07-Mar-2003 : Modified to use KeyedValuesDataset and added pieIndex
 *               parameter (DG);
 * 24-Apr-2003 : Switched around PieDataset and KeyedValuesDataset (DG);
 * ------------- JFREECHART 1.0.x ---------------------------------------------
 * 24-Nov-2006 : Updated API docs (DG);
 * 13-Dec-2007 : Updated API docs (DG);

package org.jfree.chart.urls;

import org.jfree.data.general.PieDataset;

 * Interface for a URL generator for plots that use data from a
 * {@link PieDataset}.  Classes that implement this interface:
 * <ul>
 * <li>are responsible for correctly escaping any text that is derived from the
 *     dataset, as this may be user-specified and could pose a security
 *     risk;</li>
 * <li>should be either (a) immutable, or (b) cloneable via the
 *     <code>PublicCloneable interface (defined in the JCommon class
 *     library).  This provides a mechanism for the referring plot to clone
 *     the generator if necessary.</li>
 * </ul>
public interface PieURLGenerator {

     * Generates a URL for one item in a {@link PieDataset}. As a guideline,
     * the URL should be valid within the context of an XHTML 1.0 document.
     * @param dataset  the dataset (<code>null not permitted).
     * @param key  the item key (<code>null not permitted).
     * @param pieIndex  the pie index (differentiates between pies in a
     *                  'multi' pie chart).
     * @return A string containing the URL.
    public String generateURL(PieDataset dataset, Comparable key, int pieIndex);


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