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1   //
2   //  ========================================================================
3   //  Copyright (c) 1995-2015 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  }