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: *
23: * Free Software Foundation, Inc.
24: * 59 Temple Place, Suite 330
25: * Boston, MA 02111-1307 USA
26: *
27: * @author Scott Ferguson
28: */
29:
30: package com.caucho.management.j2ee;
31:
32: import com.caucho.server.resin.Resin;
33: import com.caucho.server.util.CauchoSystem;
34:
35: import javax.management.j2ee.statistics.BoundedRangeStatistic;
36: import javax.management.j2ee.statistics.CountStatistic;
37: import javax.management.j2ee.statistics.JVMStats;
38:
39: /**
40: * Management interface for the JVM.
41: */
42: public class JVM extends J2EEManagedObject implements
43: StatisticsProvider<JVMStats> {
44: public JVM() {
45: }
46:
47: protected String getName() {
48: String name = Resin.getLocal().getServerId();
49:
50: return (name == null) ? "" : name;
51: }
52:
53: protected boolean isJ2EEApplication() {
54: return false;
55: }
56:
57: /**
58: * Returns the java version
59: */
60: public String getJavaVersion() {
61: return System.getProperty("java.version");
62: }
63:
64: /**
65: * Returns the java vendor
66: */
67: public String getJavaVendor() {
68: return System.getProperty("java.vendor");
69: }
70:
71: /**
72: * Returns the machine the JVM is running on, i.e. the fully
73: * qualified hostname.
74: */
75: public String getNode() {
76: return CauchoSystem.getLocalHost();
77: }
78:
79: public JVMStats getStats() {
80: return new JVMStatsImpl(this );
81: }
82:
83: class JVMStatsImpl extends StatsSupport implements JVMStats {
84: public JVMStatsImpl(J2EEManagedObject j2eeManagedObject) {
85: super (j2eeManagedObject);
86: }
87:
88: public BoundedRangeStatistic getHeapSize() {
89: return new UnimplementedBoundedRangeStatistic("HeapSize");
90: }
91:
92: public CountStatistic getUpTime() {
93: return new UnimplementedCountStatistic("UpTime");
94: }
95: }
96: }
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