01: /**
02: * EasyBeans
03: * Copyright (C) 2006 Bull S.A.S.
04: * Contact: easybeans@ow2.org
05: *
06: * This library is free software; you can redistribute it and/or
07: * modify it under the terms of the GNU Lesser General Public
08: * License as published by the Free Software Foundation; either
09: * version 2.1 of the License, or any later version.
10: *
11: * This library is distributed in the hope that it will be useful,
12: * but WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14: * Lesser General Public License for more details.
15: *
16: * You should have received a copy of the GNU Lesser General Public
17: * License along with this library; if not, write to the Free Software
18: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
19: * USA
20: *
21: * --------------------------------------------------------------------------
22: * $Id: MethodRenamer.java 1970 2007-10-16 11:49:25Z benoitf $
23: * --------------------------------------------------------------------------
24: */package org.ow2.easybeans.enhancer.lib;
25:
26: /**
27: * Change the name of a method.
28: * @author Florent Benoit
29: */
30: public final class MethodRenamer {
31:
32: /**
33: * Prefix for renamed method.
34: */
35: public static final String PREFIX = "original$EasyBeans$";
36:
37: /**
38: * Utility class, no constructor.
39: */
40: private MethodRenamer() {
41:
42: }
43:
44: /**
45: * Encodes a name by prefixing it with the prefix.
46: * @param name method name to rename/encode
47: * @return the encoded name
48: */
49: public static String encode(final String name) {
50: if (name == null) {
51: throw new IllegalArgumentException(
52: "Cannot encode a null name");
53: }
54: return PREFIX + name;
55: }
56:
57: /**
58: * Decodes a method by removing the prefix.
59: * @param name encoded method name to decode.
60: * @return the decoded name.
61: */
62: public static String decode(final String name) {
63: if (name == null || !name.startsWith(PREFIX)) {
64: throw new IllegalArgumentException("Given name '" + name
65: + " don't start with prefix " + PREFIX);
66: }
67: return name.substring(PREFIX.length());
68: }
69:
70: }
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