1//
2//  ========================================================================
3//  Copyright (c) 1995-2014 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
19package org.eclipse.jetty.security;
20
21/**
22 * @version $Rev: 4466 $ $Date: 2009-02-10 23:42:54 +0100 (Tue, 10 Feb 2009) $
23 */
24public 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}
41