/* =========================================================== * JFreeChart : a free chart library for the Java(tm) platform * =========================================================== * * (C) Copyright 2000-2011, 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. * * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. * Other names may be trademarks of their respective owners.] * * ------------------------- * CategoryURLGenerator.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); * 10-Apr-2003 : Replaced reference to CategoryDataset with * KeyedValues2DDataset (DG); * 23-Apr-2003 : Switched around CategoryDataset and KeyedValues2DDataset * (again) (DG); * 13-Aug-2003 : Added clone() method (DG); * 14-Jun-2004 : Removed clone() method - classes that implement the interface * should implement the PublicCloneable interface instead, * wherever possible (DG); * ------------- JFREECHART 1.0.x --------------------------------------------- * 02-Feb-2007 : Removed author tags from all over JFreeChart sources (DG); * 13-Dec-2007 : Updated API docs (DG); * */ package org.jfree.chart.urls; import org.jfree.data.category.CategoryDataset; /** * A URL generator for items in a {@link CategoryDataset}. */ public interface CategoryURLGenerator { /** * Returns a URL for one item in a dataset. As a guideline, the URL * should be valid within the context of an XHTML 1.0 document. Classes * that implement this interface 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. * * @param dataset the dataset. * @param series the series (zero-based index). * @param category the category. * * @return A string containing the URL. */ public String generateURL(CategoryDataset dataset, int series, int category); }