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Java > Open Source Codes > org > outerj > daisy > navigation > impl > NodeVisibility


1 /*
2  * Copyright 2004 Outerthought bvba and Schaubroeck nv
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */

16 package org.outerj.daisy.navigation.impl;
17
18 /**
19  * Enumeration class for the possible visibilties of a node.
20  */

21 public final class NodeVisibility {
22     public static final NodeVisibility ALWAYS = new NodeVisibility("always");
23     public static final NodeVisibility HIDDEN = new NodeVisibility("hidden");
24     public static final NodeVisibility WHEN_ACTIVE = new NodeVisibility("when-active");
25
26     private final String JavaDoc name;
27
28     private NodeVisibility(String JavaDoc name) {
29         this.name = name;
30     }
31
32     public String JavaDoc toString() {
33         return name;
34     }
35
36     public static NodeVisibility fromString(String JavaDoc value) {
37         if (value.equals(HIDDEN.name))
38             return HIDDEN;
39         else if (value.equals(WHEN_ACTIVE.name))
40             return WHEN_ACTIVE;
41         else // invalid values default to 'always' by design
42
return ALWAYS;
43     }
44 }
45
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