01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: */
17: package org.apache.commons.lang.enums;
18:
19: import java.util.Iterator;
20: import java.util.List;
21: import java.util.Map;
22:
23: /**
24: * Color enumeration which demonstrates how to break the enum system.
25: * <p>
26: * The class loader sees the two classes here as independent - the enum
27: * class is nested, not an inner class. Calling getEnumList() on ColorEnum
28: * will return an empty list, unless and until the NestBroken class is
29: * referenced.
30: *
31: * @author Stephen Colebourne
32: * @version $Id: NestBroken.java 437554 2006-08-28 06:21:41Z bayard $
33: */
34:
35: public final class NestBroken {
36:
37: public static final ColorEnum RED = new ColorEnum("Red");
38: public static final ColorEnum GREEN = new ColorEnum("Green");
39: public static final ColorEnum BLUE = new ColorEnum("Blue");
40:
41: public NestBroken() {
42: super ();
43: }
44:
45: public static final class ColorEnum extends Enum {
46:
47: private ColorEnum(String color) {
48: super (color);
49: }
50:
51: public static ColorEnum getEnum(String color) {
52: return (ColorEnum) getEnum(ColorEnum.class, color);
53: }
54:
55: public static Map getEnumMap() {
56: return getEnumMap(ColorEnum.class);
57: }
58:
59: public static List getEnumList() {
60: return getEnumList(ColorEnum.class);
61: }
62:
63: public static Iterator iterator() {
64: return iterator(ColorEnum.class);
65: }
66: }
67: }
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