1 //
2 // ========================================================================
3 // Copyright (c) 1995-2016 Mort Bay Consulting Pty. Ltd.
4 // ------------------------------------------------------------------------
5 // All rights reserved. This program and the accompanying materials
6 // are made available under the terms of the Eclipse Public License v1.0
7 // and Apache License v2.0 which accompanies this distribution.
8 //
9 // The Eclipse Public License is available at
10 // http://www.eclipse.org/legal/epl-v10.html
11 //
12 // The Apache License v2.0 is available at
13 // http://www.opensource.org/licenses/apache2.0.php
14 //
15 // You may elect to redistribute this code under either of these licenses.
16 // ========================================================================
17 //
18
19 package org.eclipse.jetty.security;
20
21 /**
22 * @version $Rev: 4466 $ $Date: 2009-02-10 23:42:54 +0100 (Tue, 10 Feb 2009) $
23 */
24 public enum UserDataConstraint
25 {
26 None, Integral, Confidential;
27
28 public static UserDataConstraint get(int dataConstraint)
29 {
30 if (dataConstraint < -1 || dataConstraint > 2) throw new IllegalArgumentException("Expected -1, 0, 1, or 2, not: " + dataConstraint);
31 if (dataConstraint == -1) return None;
32 return values()[dataConstraint];
33 }
34
35 public UserDataConstraint combine(UserDataConstraint other)
36 {
37 if (this.compareTo(other) < 0) return this;
38 return other;
39 }
40 }