1 /*
2 * Copyright (c) 2004, 2007, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package sun.tools.jconsole;
27
28 import java.awt.*;
29 import java.awt.event.*;
30 import java.io.*;
31 import java.lang.management.*;
32 import java.lang.reflect.*;
33
34 import javax.swing.*;
35 import javax.swing.border.*;
36 import javax.swing.event.*;
37 import javax.swing.text.*;
38
39 import java.util.*;
40 import java.util.List;
41 import java.util.concurrent.*;
42
43 import sun.awt.*;
44
45 import static sun.tools.jconsole.Formatter.*;
46 import static sun.tools.jconsole.Resources.*;
47 import static sun.tools.jconsole.Utilities.*;
48
49
50 @SuppressWarnings("serial")
51 class ClassTab extends Tab implements ActionListener {
52 PlotterPanel loadedClassesMeter;
53 TimeComboBox timeComboBox;
54 private JCheckBox verboseCheckBox;
55 private HTMLPane details;
56 private ClassOverviewPanel overviewPanel;
57 private boolean plotterListening = false;
58
59 private static final String loadedPlotterKey = "loaded";
60 private static final String totalLoadedPlotterKey = "totalLoaded";
61 private static final String loadedPlotterName = Resources.getText("Loaded");
62 private static final String totalLoadedPlotterName = Resources.getText("Total Loaded");
63 private static final Color loadedPlotterColor = Plotter.defaultColor;
64 private static final Color totalLoadedPlotterColor = Color.red;
65
66 private static final String infoLabelFormat = "ClassTab.infoLabelFormat";
67
68 /*
69 Hierarchy of panels and layouts for this tab:
70
71 ClassTab (BorderLayout)
72
73 North: topPanel (BorderLayout)
74
75 Center: controlPanel (FlowLayout)
76 timeComboBox
77
78 East: topRightPanel (FlowLayout)
79 verboseCheckBox
80
81 Center: plotterPanel (BorderLayout)
82
83 Center: plotter
84
85 South: bottomPanel (BorderLayout)
86
87 Center: details
88 */
89
90 public static String getTabName() {
91 return Resources.getText("Classes");
92 }
93
94 public ClassTab(VMPanel vmPanel) {
95 super(vmPanel, getTabName());
96
97 setLayout(new BorderLayout(0, 0));
98 setBorder(new EmptyBorder(4, 4, 3, 4));
99
100 JPanel topPanel = new JPanel(new BorderLayout());
101 JPanel plotterPanel = new JPanel(new BorderLayout());
102 JPanel bottomPanel = new JPanel(new BorderLayout());
103
104 add(topPanel, BorderLayout.NORTH);
105 add(plotterPanel, BorderLayout.CENTER);
106 add(bottomPanel, BorderLayout.SOUTH);
107
108 JPanel controlPanel = new JPanel(new FlowLayout(FlowLayout.CENTER, 20, 5));
109 topPanel.add(controlPanel, BorderLayout.CENTER);
110
111 verboseCheckBox = new JCheckBox(Resources.getText("Verbose Output"));
112 verboseCheckBox.addActionListener(this);
113 verboseCheckBox.setToolTipText(getText("Verbose Output.toolTip"));
114 JPanel topRightPanel = new JPanel();
115 topRightPanel.setBorder(new EmptyBorder(0, 65-8, 0, 70));
116 topRightPanel.add(verboseCheckBox);
117 topPanel.add(topRightPanel, BorderLayout.AFTER_LINE_ENDS);
118
119 loadedClassesMeter = new PlotterPanel(Resources.getText("Number of Loaded Classes"),
120 Plotter.Unit.NONE, false);
121 loadedClassesMeter.plotter.createSequence(loadedPlotterKey,
122 loadedPlotterName,
123 loadedPlotterColor,
124 true);
125 loadedClassesMeter.plotter.createSequence(totalLoadedPlotterKey,
126 totalLoadedPlotterName,
127 totalLoadedPlotterColor,
128 true);
129 setAccessibleName(loadedClassesMeter.plotter,
130 getText("ClassTab.loadedClassesPlotter.accessibleName"));
131 plotterPanel.add(loadedClassesMeter);
132
133 timeComboBox = new TimeComboBox(loadedClassesMeter.plotter);
134 controlPanel.add(new LabeledComponent(Resources.getText("Time Range:"),
135 getMnemonicInt("Time Range:"),
136 timeComboBox));
137
138 LabeledComponent.layout(plotterPanel);
139
140 bottomPanel.setBorder(new CompoundBorder(new TitledBorder(Resources.getText("Details")),
141 new EmptyBorder(10, 10, 10, 10)));
142
143 details = new HTMLPane();
144 setAccessibleName(details, getText("Details"));
145 JScrollPane scrollPane = new JScrollPane(details);
146 scrollPane.setPreferredSize(new Dimension(0, 150));
147 bottomPanel.add(scrollPane, BorderLayout.SOUTH);
148
149 }
150
151 public void actionPerformed(ActionEvent ev) {
152 final boolean b = verboseCheckBox.isSelected();
153 workerAdd(new Runnable() {
154 public void run() {
155 ProxyClient proxyClient = vmPanel.getProxyClient();
156 try {
157 proxyClient.getClassLoadingMXBean().setVerbose(b);
158 } catch (UndeclaredThrowableException e) {
159 proxyClient.markAsDead();
160 } catch (IOException ex) {
161 // Ignore
162 }
163 }
164 });
165 }
166
167
168 public SwingWorker<?, ?> newSwingWorker() {
169 final ProxyClient proxyClient = vmPanel.getProxyClient();
170
171 if (!plotterListening) {
172 proxyClient.addWeakPropertyChangeListener(loadedClassesMeter.plotter);
173 plotterListening = true;
174 }
175
176 return new SwingWorker<Boolean, Object>() {
177 private long clCount, cuCount, ctCount;
178 private boolean isVerbose;
179 private String detailsStr;
180 private long timeStamp;
181
182 public Boolean doInBackground() {
183 try {
184 ClassLoadingMXBean classLoadingMBean = proxyClient.getClassLoadingMXBean();
185
186 clCount = classLoadingMBean.getLoadedClassCount();
187 cuCount = classLoadingMBean.getUnloadedClassCount();
188 ctCount = classLoadingMBean.getTotalLoadedClassCount();
189 isVerbose = classLoadingMBean.isVerbose();
190 detailsStr = formatDetails();
191 timeStamp = System.currentTimeMillis();
192
193 return true;
194 } catch (UndeclaredThrowableException e) {
195 proxyClient.markAsDead();
196 return false;
197 } catch (IOException e) {
198 return false;
199 }
200 }
201
202 protected void done() {
203 try {
204 if (get()) {
205 loadedClassesMeter.plotter.addValues(timeStamp, clCount, ctCount);
206
207 if (overviewPanel != null) {
208 overviewPanel.updateClassInfo(ctCount, clCount);
209 overviewPanel.getPlotter().addValues(timeStamp, clCount);
210 }
211
212 loadedClassesMeter.setValueLabel(clCount + "");
213 verboseCheckBox.setSelected(isVerbose);
214 details.setText(detailsStr);
215 }
216 } catch (InterruptedException ex) {
217 } catch (ExecutionException ex) {
218 if (JConsole.isDebug()) {
219 ex.printStackTrace();
220 }
221 }
222 }
223
224 private String formatDetails() {
225 String text = "<table cellspacing=0 cellpadding=0>";
226
227 long time = System.currentTimeMillis();
228 String timeStamp = formatDateTime(time);
229 text += newRow(Resources.getText("Time"), timeStamp);
230 text += newRow(Resources.getText("Current classes loaded"), justify(clCount, 5));
231 text += newRow(Resources.getText("Total classes loaded"), justify(ctCount, 5));
232 text += newRow(Resources.getText("Total classes unloaded"), justify(cuCount, 5));
233
234 return text;
235 }
236 };
237 }
238
239
240 OverviewPanel[] getOverviewPanels() {
241 if (overviewPanel == null) {
242 overviewPanel = new ClassOverviewPanel();
243 }
244 return new OverviewPanel[] { overviewPanel };
245 }
246
247 private static class ClassOverviewPanel extends OverviewPanel {
248 ClassOverviewPanel() {
249 super(getText("Classes"), loadedPlotterKey, loadedPlotterName, null);
250 }
251
252 private void updateClassInfo(long total, long loaded) {
253 long unloaded = (total - loaded);
254 getInfoLabel().setText(getText(infoLabelFormat, loaded, unloaded, total));
255 }
256 }
257 }