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
37 import sun.tools.jconsole.resources.Messages;
38
39 import java.util.concurrent.*;
40
41 import static sun.tools.jconsole.Formatter.*;
42 import static sun.tools.jconsole.Utilities.*;
43
44
45 @SuppressWarnings("serial")
46 class ClassTab extends Tab implements ActionListener {
47 PlotterPanel loadedClassesMeter;
48 TimeComboBox timeComboBox;
49 private JCheckBox verboseCheckBox;
50 private HTMLPane details;
51 private ClassOverviewPanel overviewPanel;
52 private boolean plotterListening = false;
53
54 private static final String loadedPlotterKey = "loaded";
55 private static final String totalLoadedPlotterKey = "totalLoaded";
56 private static final Color loadedPlotterColor = Plotter.defaultColor;
57 private static final Color totalLoadedPlotterColor = Color.red;
58
59 /*
60 Hierarchy of panels and layouts for this tab:
61
62 ClassTab (BorderLayout)
63
64 North: topPanel (BorderLayout)
65
66 Center: controlPanel (FlowLayout)
67 timeComboBox
68
69 East: topRightPanel (FlowLayout)
70 verboseCheckBox
71
72 Center: plotterPanel (BorderLayout)
73
74 Center: plotter
75
76 South: bottomPanel (BorderLayout)
77
78 Center: details
79 */
80
81 public static String getTabName() {
82 return Messages.CLASSES;
83 }
84
85 public ClassTab(VMPanel vmPanel) {
86 super(vmPanel, getTabName());
87
88 setLayout(new BorderLayout(0, 0));
89 setBorder(new EmptyBorder(4, 4, 3, 4));
90
91 JPanel topPanel = new JPanel(new BorderLayout());
92 JPanel plotterPanel = new JPanel(new BorderLayout());
93 JPanel bottomPanel = new JPanel(new BorderLayout());
94
95 add(topPanel, BorderLayout.NORTH);
96 add(plotterPanel, BorderLayout.CENTER);
97 add(bottomPanel, BorderLayout.SOUTH);
98
99 JPanel controlPanel = new JPanel(new FlowLayout(FlowLayout.CENTER, 20, 5));
100 topPanel.add(controlPanel, BorderLayout.CENTER);
101
102 verboseCheckBox = new JCheckBox(Messages.VERBOSE_OUTPUT);
103 verboseCheckBox.addActionListener(this);
104 verboseCheckBox.setToolTipText(Messages.VERBOSE_OUTPUT_TOOLTIP);
105 JPanel topRightPanel = new JPanel();
106 topRightPanel.setBorder(new EmptyBorder(0, 65-8, 0, 70));
107 topRightPanel.add(verboseCheckBox);
108 topPanel.add(topRightPanel, BorderLayout.AFTER_LINE_ENDS);
109
110 loadedClassesMeter = new PlotterPanel(Messages.NUMBER_OF_LOADED_CLASSES,
111 Plotter.Unit.NONE, false);
112 loadedClassesMeter.plotter.createSequence(loadedPlotterKey,
113 Messages.LOADED,
114 loadedPlotterColor,
115 true);
116 loadedClassesMeter.plotter.createSequence(totalLoadedPlotterKey,
117 Messages.TOTAL_LOADED,
118 totalLoadedPlotterColor,
119 true);
120 setAccessibleName(loadedClassesMeter.plotter,
121 Messages.CLASS_TAB_LOADED_CLASSES_PLOTTER_ACCESSIBLE_NAME);
122 plotterPanel.add(loadedClassesMeter);
123
124 timeComboBox = new TimeComboBox(loadedClassesMeter.plotter);
125 controlPanel.add(new LabeledComponent(Messages.TIME_RANGE_COLON,
126 Resources.getMnemonicInt(Messages.TIME_RANGE_COLON),
127 timeComboBox));
128
129 LabeledComponent.layout(plotterPanel);
130
131 bottomPanel.setBorder(new CompoundBorder(new TitledBorder(Messages.DETAILS),
132 new EmptyBorder(10, 10, 10, 10)));
133
134 details = new HTMLPane();
135 setAccessibleName(details, Messages.DETAILS);
136 JScrollPane scrollPane = new JScrollPane(details);
137 scrollPane.setPreferredSize(new Dimension(0, 150));
138 bottomPanel.add(scrollPane, BorderLayout.SOUTH);
139
140 }
141
142 public void actionPerformed(ActionEvent ev) {
143 final boolean b = verboseCheckBox.isSelected();
144 workerAdd(new Runnable() {
145 public void run() {
146 ProxyClient proxyClient = vmPanel.getProxyClient();
147 try {
148 proxyClient.getClassLoadingMXBean().setVerbose(b);
149 } catch (UndeclaredThrowableException e) {
150 proxyClient.markAsDead();
151 } catch (IOException ex) {
152 // Ignore
153 }
154 }
155 });
156 }
157
158
159 public SwingWorker<?, ?> newSwingWorker() {
160 final ProxyClient proxyClient = vmPanel.getProxyClient();
161
162 if (!plotterListening) {
163 proxyClient.addWeakPropertyChangeListener(loadedClassesMeter.plotter);
164 plotterListening = true;
165 }
166
167 return new SwingWorker<Boolean, Object>() {
168 private long clCount, cuCount, ctCount;
169 private boolean isVerbose;
170 private String detailsStr;
171 private long timeStamp;
172
173 public Boolean doInBackground() {
174 try {
175 ClassLoadingMXBean classLoadingMBean = proxyClient.getClassLoadingMXBean();
176
177 clCount = classLoadingMBean.getLoadedClassCount();
178 cuCount = classLoadingMBean.getUnloadedClassCount();
179 ctCount = classLoadingMBean.getTotalLoadedClassCount();
180 isVerbose = classLoadingMBean.isVerbose();
181 detailsStr = formatDetails();
182 timeStamp = System.currentTimeMillis();
183
184 return true;
185 } catch (UndeclaredThrowableException e) {
186 proxyClient.markAsDead();
187 return false;
188 } catch (IOException e) {
189 return false;
190 }
191 }
192
193 protected void done() {
194 try {
195 if (get()) {
196 loadedClassesMeter.plotter.addValues(timeStamp, clCount, ctCount);
197
198 if (overviewPanel != null) {
199 overviewPanel.updateClassInfo(ctCount, clCount);
200 overviewPanel.getPlotter().addValues(timeStamp, clCount);
201 }
202
203 loadedClassesMeter.setValueLabel(clCount + "");
204 verboseCheckBox.setSelected(isVerbose);
205 details.setText(detailsStr);
206 }
207 } catch (InterruptedException ex) {
208 } catch (ExecutionException ex) {
209 if (JConsole.isDebug()) {
210 ex.printStackTrace();
211 }
212 }
213 }
214
215 private String formatDetails() {
216 String text = "<table cellspacing=0 cellpadding=0>";
217
218 long time = System.currentTimeMillis();
219 String timeStamp = formatDateTime(time);
220 text += newRow(Messages.TIME, timeStamp);
221 text += newRow(Messages.CURRENT_CLASSES_LOADED, justify(clCount, 5));
222 text += newRow(Messages.TOTAL_CLASSES_LOADED, justify(ctCount, 5));
223 text += newRow(Messages.TOTAL_CLASSES_UNLOADED, justify(cuCount, 5));
224
225 return text;
226 }
227 };
228 }
229
230
231 OverviewPanel[] getOverviewPanels() {
232 if (overviewPanel == null) {
233 overviewPanel = new ClassOverviewPanel();
234 }
235 return new OverviewPanel[] { overviewPanel };
236 }
237
238 private static class ClassOverviewPanel extends OverviewPanel {
239 ClassOverviewPanel() {
240 super(Messages.CLASSES, loadedPlotterKey, Messages.LOADED, null);
241 }
242
243 private void updateClassInfo(long total, long loaded) {
244 long unloaded = (total - loaded);
245 getInfoLabel().setText(Resources.format(
246 Messages.CLASS_TAB_INFO_LABEL_FORMAT, loaded, unloaded, total));
247 }
248 }
249 }