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.make;
30:
31: import com.caucho.Version;
32: import com.caucho.vfs.PersistentDependency;
33:
34: import java.util.logging.Logger;
35:
36: /**
37: * Representing a Resin version.
38: */
39: public class VersionDependency implements PersistentDependency {
40: private final static Logger log = Logger
41: .getLogger(VersionDependency.class.getName());
42:
43: private String _version;
44:
45: /**
46: * Creates the version dependency.
47: */
48: public VersionDependency(String version) {
49: _version = version;
50: }
51:
52: /**
53: * Creates the version dependency.
54: */
55: public VersionDependency() {
56: _version = Version.FULL_VERSION;
57: }
58:
59: /**
60: * Returns true if the underlying resource has changed.
61: */
62: public boolean isModified() {
63: return !Version.FULL_VERSION.equals(_version);
64: }
65:
66: /**
67: * Returns true if the underlying resource has changed.
68: */
69: public boolean logModified(Logger log) {
70: if (!Version.FULL_VERSION.equals(_version)) {
71: log.info("Resin version has changed to "
72: + Version.FULL_VERSION);
73: return true;
74: } else
75: return false;
76: }
77:
78: /**
79: * Returns a string which will recreate the dependency.
80: */
81: public String getJavaCreateString() {
82: return ("new com.caucho.make.VersionDependency(" + "\""
83: + _version + "\")");
84: }
85: }
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