01: /******************************************************************************
02: * JBoss, a division of Red Hat *
03: * Copyright 2006, Red Hat Middleware, LLC, and individual *
04: * contributors as indicated by the @authors tag. See the *
05: * copyright.txt in the distribution for a full listing of *
06: * individual contributors. *
07: * *
08: * This is free software; you can redistribute it and/or modify it *
09: * under the terms of the GNU Lesser General Public License as *
10: * published by the Free Software Foundation; either version 2.1 of *
11: * the License, or (at your option) any later version. *
12: * *
13: * This software is distributed in the hope that it will be useful, *
14: * but WITHOUT ANY WARRANTY; without even the implied warranty of *
15: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
16: * Lesser General Public License for more details. *
17: * *
18: * You should have received a copy of the GNU Lesser General Public *
19: * License along with this software; if not, write to the Free *
20: * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA *
21: * 02110-1301 USA, or see the FSF site: http://www.fsf.org. *
22: ******************************************************************************/package org.jboss.portal.migration.model22.other;
23:
24: import java.io.Serializable;
25:
26: /**
27: * @author <a href="mailto:julien@jboss.org">Julien Viet</a>
28: * @version $Revision: 8784 $
29: */
30: public class Mode implements Serializable {
31:
32: public static final Mode EDIT = new Mode("edit");
33: public static final Mode HELP = new Mode("help");
34: public static final Mode VIEW = new Mode("view");
35:
36: private String name;
37:
38: public Mode(String name) {
39: if (name == null) {
40: throw new NullPointerException();
41: }
42: this .name = name.toLowerCase();
43: }
44:
45: public boolean equals(Object o) {
46: if (o instanceof Mode) {
47: return o == this || name.equals(((Mode) o).name);
48: }
49: return false;
50: }
51:
52: public int hashCode() {
53: return name.hashCode();
54: }
55:
56: public String toString() {
57: return name;
58: }
59:
60: private Object readResolve() {
61: if (VIEW.name.equals(name)) {
62: return VIEW;
63: } else if (EDIT.name.equals(name)) {
64: return EDIT;
65: } else if (HELP.name.equals(name)) {
66: return HELP;
67: } else {
68: return this ;
69: }
70: }
71:
72: public static Mode create(String s) {
73: if (Mode.EDIT.toString().equalsIgnoreCase(s)) {
74: return Mode.EDIT;
75: } else if (Mode.HELP.toString().equalsIgnoreCase(s)) {
76: return Mode.HELP;
77: } else if (Mode.VIEW.toString().equalsIgnoreCase(s)) {
78: return Mode.VIEW;
79: } else {
80: return new Mode(s);
81: }
82: }
83: }
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