LicenseCheck


1   /*
2    * Copyright (c) 1998-2006 Caucho Technology -- all rights reserved
3    *
4    * This file is part of Resin(R) Open Source
5    *
6    * Each copy or derived work must preserve the copyright notice and this
7    * notice unmodified.
8    *
9    * Resin Open Source is free software; you can redistribute it and/or modify
10   * it under the terms of the GNU General Public License as published by
11   * the Free Software Foundation; either version 2 of the License, or
12   * (at your option) any later version.
13   *
14   * Resin Open Source is distributed in the hope that it will be useful,
15   * but WITHOUT ANY WARRANTY; without even the implied warranty of
16   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17   * of NON-INFRINGEMENT.  See the GNU General Public License for more
18   * details.
19   *
20   * You should have received a copy of the GNU General Public License
21   * along with Resin Open Source; if not, write to the
22   *   Free SoftwareFoundation, Inc.
23   *   59 Temple Place, Suite 330
24   *   Boston, MA 02111-1307  USA
25   *
26   * @author Sam 
27   */
28  
29  package com.caucho.license;
30  
31  import com.caucho.config.ConfigException;
32  
33  import java.io.IOException  ;
34  
35  /**
36   * This interface hides an implementation class that loads all of the licenses
37   * for the current installation and determines whether or not they are valid.
38   */
39  public interface LicenseCheck {
40    /**
41     * Validates the number of servers.
42     */
43    public void validate(int serverCount)
44      throws ConfigException, IOException  ;
45  
46    /**
47     * Write log messages based on the licenses and the number of servers that
48     * the user is attempting to use.
49     */
50    public void doLogging(int serverCount);
51  
52    /**
53     * Return a summary description of the licenses, suitable for presentation to
54     * the user. 
55     */
56    public String   getDescription();
57  }
58  
59
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