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: * TestUtilities.java
29: * ------------------
30: * (C) Copyright 2007, by Object Refinery Limited.
31: *
32: * Original Author: David Gilbert (for Object Refinery Limited);
33: * Contributor(s): -;
34: *
35: * $Id: TestUtilities.java,v 1.1.2.1 2007/06/08 13:29:38 mungady Exp $
36: *
37: * Changes:
38: * --------
39: * 08-Jun-2007 : Version 1 (DG);
40: *
41: */
42:
43: package org.jfree.chart.junit;
44:
45: import java.util.Collection;
46: import java.util.Iterator;
47:
48: /**
49: * Some utility methods for use by the testing code.
50: */
51: public class TestUtilities {
52:
53: /**
54: * Returns <code>true</code> if the collections contains any object that
55: * is an instance of the specified class, and <code>false</code> otherwise.
56: *
57: * @param collection the collection.
58: * @param c the class.
59: *
60: * @return A boolean.
61: */
62: public static boolean containsInstanceOf(Collection collection,
63: Class c) {
64: Iterator iterator = collection.iterator();
65: while (iterator.hasNext()) {
66: Object obj = iterator.next();
67: if (obj != null && obj.getClass().equals(c)) {
68: return true;
69: }
70: }
71: return false;
72: }
73:
74: }
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