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Java > Open Source Codes > com > caucho > server > host > HostGenerator


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 Scott Ferguson
27  */
28
29 package com.caucho.server.host;
30
31 import com.caucho.log.Log;
32 import com.caucho.util.L10N;
33 import com.caucho.vfs.Dependency;
34
35 import java.util.ArrayList JavaDoc;
36 import java.util.logging.Logger JavaDoc;
37
38 /**
39  * Returns a list of the current host entries
40  */
41 abstract public class HostGenerator implements Dependency {
42   static final L10N L = new L10N(HostGenerator.class);
43   static final Logger JavaDoc log = Log.open(HostGenerator.class);
44
45   private HostContainer _container;
46
47   /**
48    * Returns the owning container.
49    */
50   public HostContainer getContainer()
51   {
52     return _container;
53   }
54
55   /**
56    * Sets the owning container.
57    */
58   public void setContainer(HostContainer container)
59   {
60     _container = container;
61   }
62   
63   /**
64    * Returns the current array of host entries.
65    */
66   abstract public ArrayList JavaDoc<HostController> getHosts()
67     throws Exception JavaDoc;
68   
69   /**
70    * Returns true if the list of applications has changed.
71    */
72   public boolean isModified()
73   {
74     return false;
75   }
76   
77   /**
78    * Closes the generator
79    */
80   public void destroy()
81   {
82   }
83 }
84
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