01: /*
02: * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
03: *
04: * This file is part of Resin(R) Open Source
05: *
06: * Each copy or derived work must preserve the copyright notice and this
07: * notice unmodified.
08: *
09: * 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;
36: import java.util.logging.Logger;
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 log = Log.open(HostGenerator.class);
44:
45: private HostContainer _container;
46:
47: /**
48: * Returns the owning container.
49: */
50: public HostContainer getContainer() {
51: return _container;
52: }
53:
54: /**
55: * Sets the owning container.
56: */
57: public void setContainer(HostContainer container) {
58: _container = container;
59: }
60:
61: /**
62: * Returns the current array of host entries.
63: */
64: abstract public ArrayList<HostController> getHosts()
65: throws Exception;
66:
67: /**
68: * Returns true if the list of applications has changed.
69: */
70: public boolean isModified() {
71: return false;
72: }
73:
74: /**
75: * Closes the generator
76: */
77: public void destroy() {
78: }
79: }
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