1 // ========================================================================
2 // Copyright (c) 2008-2009 Mort Bay Consulting Pty. Ltd.
3 // ------------------------------------------------------------------------
4 // All rights reserved. This program and the accompanying materials
5 // are made available under the terms of the Eclipse Public License v1.0
6 // and Apache License v2.0 which accompanies this distribution.
7 // The Eclipse Public License is available at
8 // http://www.eclipse.org/legal/epl-v10.html
9 // The Apache License v2.0 is available at
10 // http://www.opensource.org/licenses/apache2.0.php
11 // You may elect to redistribute this code under either of these licenses.
12 // ========================================================================
13
14 package org.eclipse.jetty.security;
15
16 /**
17 * @version $Rev: 4466 $ $Date: 2009-02-10 23:42:54 +0100 (Tue, 10 Feb 2009) $
18 */
19 public enum UserDataConstraint
20 {
21 None, Integral, Confidential;
22
23 public static UserDataConstraint get(int dataConstraint)
24 {
25 if (dataConstraint < -1 || dataConstraint > 2) throw new IllegalArgumentException("Expected -1, 0, 1, or 2, not: " + dataConstraint);
26 if (dataConstraint == -1) return None;
27 return values()[dataConstraint];
28 }
29
30 public UserDataConstraint combine(UserDataConstraint other)
31 {
32 if (this.compareTo(other) < 0) return this;
33 return other;
34 }
35 }