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Java > Open Source Codes > org > jboss > aop > util > FieldComparator


1 /*
2   * JBoss, Home of Professional Open Source
3   * Copyright 2005, JBoss Inc., and individual contributors as indicated
4   * by the @authors tag. See the copyright.txt in the distribution for a
5   * full listing of individual contributors.
6   *
7   * This is free software; you can redistribute it and/or modify it
8   * under the terms of the GNU Lesser General Public License as
9   * published by the Free Software Foundation; either version 2.1 of
10   * the License, or (at your option) any later version.
11   *
12   * This software is distributed in the hope that it will be useful,
13   * but WITHOUT ANY WARRANTY; without even the implied warranty of
14   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15   * Lesser General Public License for more details.
16   *
17   * You should have received a copy of the GNU Lesser General Public
18   * License along with this software; if not, write to the Free
19   * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20   * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21   */
22 package org.jboss.aop.util;
23
24 import java.lang.reflect.Field JavaDoc;
25
26 /**
27  * Compares Fields. This is used to make sure the field IDs line up between
28  * the advisor and the instrumentor.
29  *
30  * @author <a HREF="mailto:bill@jboss.org">Bill Burke</a>
31  * @version $Revision: 37406 $
32  */
33 public class FieldComparator implements java.util.Comparator JavaDoc {
34
35     private FieldComparator() {}
36
37     public static final java.util.Comparator JavaDoc INSTANCE = new FieldComparator();
38         
39     private int compare(Field JavaDoc m1, Field JavaDoc m2) {
40        return m1.getName().compareTo(m2.getName());
41     }
42
43     public int compare(Object JavaDoc o1, Object JavaDoc o2) {
44         return compare((Field JavaDoc) o1, (Field JavaDoc) o2);
45     }
46
47 }
48
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