01: /* ===========================================================
02: * JFreeChart : a free chart library for the Java(tm) platform
03: * ===========================================================
04: *
05: * (C) Copyright 2000-2007, by Object Refinery Limited and Contributors.
06: *
07: * Project Info: http://www.jfree.org/jfreechart/index.html
08: *
09: * This library is free software; you can redistribute it and/or modify it
10: * under the terms of the GNU Lesser General Public License as published by
11: * the Free Software Foundation; either version 2.1 of the License, or
12: * (at your option) any later version.
13: *
14: * This library is distributed in the hope that it will be useful, but
15: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
16: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
17: * License for more details.
18: *
19: * You should have received a copy of the GNU Lesser General Public
20: * License along with this library; if not, write to the Free Software
21: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
22: * USA.
23: *
24: * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
25: * in the United States and other countries.]
26: *
27: * -------------------------
28: * CategoryURLGenerator.java
29: * -------------------------
30: * (C) Copyright 2002-2007, by Richard Atkinson and Contributors.
31: *
32: * Original Author: Richard Atkinson;
33: * Contributors: David Gilbert (for Object Refinery Limited);
34: *
35: * $Id: CategoryURLGenerator.java,v 1.3.2.2 2007/02/02 15:51:05 mungady Exp $
36: *
37: * Changes:
38: * --------
39: * 05-Aug-2002 : Version 1, contributed by Richard Atkinson;
40: * 09-Oct-2002 : Fixed errors reported by Checkstyle (DG);
41: * 10-Apr-2003 : Replaced reference to CategoryDataset with
42: * KeyedValues2DDataset (DG);
43: * 23-Apr-2003 : Switched around CategoryDataset and KeyedValues2DDataset
44: * (again) (DG);
45: * 13-Aug-2003 : Added clone() method (DG);
46: * 14-Jun-2004 : Removed clone() method - classes that implement the interface
47: * should implement the PublicCloneable interface instead,
48: * wherever possible (DG);
49: * ------------- JFREECHART 1.0.x ---------------------------------------------
50: * 02-Feb-2007 : Removed author tags from all over JFreeChart sources (DG);
51: *
52: */
53:
54: package org.jfree.chart.urls;
55:
56: import org.jfree.data.category.CategoryDataset;
57:
58: /**
59: * A URL generator for items in a {@link CategoryDataset}.
60: */
61: public interface CategoryURLGenerator {
62:
63: /**
64: * Returns a URL for one item in a dataset. As a guideline, the URL
65: * should be valid within the context of an XHTML 1.0 document.
66: *
67: * @param data the dataset.
68: * @param series the series (zero-based index).
69: * @param category the category.
70: *
71: * @return A string containing the URL.
72: */
73: public String generateURL(CategoryDataset data, int series,
74: int category);
75:
76: }
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