1 /*
2 * Copyright (c) 2004, 2012, 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.inspector;
27
28 import java.awt.*;
29 import java.awt.event.*;
30 import java.util.*;
31 import java.util.Timer;
32
33 import javax.swing.*;
34
35 import sun.tools.jconsole.*;
36
37 @SuppressWarnings("serial")
38 public class XPlottingViewer extends PlotterPanel implements ActionListener {
39 // TODO: Make number of decimal places customizable
40 private static final int PLOTTER_DECIMALS = 4;
41
42 private JButton plotButton;
43 // The plotter cache holds Plotter instances for the various attributes
44 private static HashMap<String, XPlottingViewer> plotterCache =
45 new HashMap<String, XPlottingViewer>();
46 private static HashMap<String, Timer> timerCache =
47 new HashMap<String, Timer>();
48 private MBeansTab tab;
49 private String attributeName;
50 private String key;
51 private JTable table;
52 private XPlottingViewer(String key,
53 XMBean mbean,
54 String attributeName,
55 Object value,
56 JTable table,
57 MBeansTab tab) {
58 super(null);
59
60 this.tab = tab;
61 this.key = key;
62 this.table = table;
63 this.attributeName = attributeName;
64 Plotter plotter = createPlotter(mbean, attributeName, key, table);
65 setupDisplay(plotter);
66 }
67
68 static void dispose(MBeansTab tab) {
69 Iterator<String> it = plotterCache.keySet().iterator();
70 while(it.hasNext()) {
71 String key = it.next();
72 if(key.startsWith(String.valueOf(tab.hashCode()))) {
73 it.remove();
74 }
75 }
76 //plotterCache.clear();
77 it = timerCache.keySet().iterator();
78 while(it.hasNext()) {
79 String key = (String) it.next();
80 if(key.startsWith(String.valueOf(tab.hashCode()))) {
81 Timer t = timerCache.get(key);
82 t.cancel();
83 it.remove();
84 }
85 }
86 }
87
88 public static boolean isViewableValue(Object value) {
89 return (value instanceof Number);
90 }
91
92 //Fired by dbl click
93 public static Component loadPlotting(XMBean mbean,
94 String attributeName,
95 Object value,
96 JTable table,
97 MBeansTab tab) {
98 Component comp = null;
99 if(isViewableValue(value)) {
100 String key = String.valueOf(tab.hashCode()) + " " + String.valueOf(mbean.hashCode()) + " " + mbean.getObjectName().getCanonicalName() + attributeName;
101 XPlottingViewer plotter = plotterCache.get(key);
102 if(plotter == null) {
103 plotter = new XPlottingViewer(key,
104 mbean,
105 attributeName,
106 value,
107 table,
108 tab);
109 plotterCache.put(key, plotter);
110 }
111
112 comp = plotter;
113 }
114 return comp;
115 }
116
117 /*public void paintComponent(Graphics g) {
118 super.paintComponent(g);
119 setBackground(g.getColor());
120 plotter.paintComponent(g);
121 }*/
122 @Override
123 public void actionPerformed(ActionEvent evt) {
124 plotterCache.remove(key);
125 Timer t = timerCache.remove(key);
126 t.cancel();
127 ((XMBeanAttributes) table).collapse(attributeName, this);
128 }
129
130 //Create plotter instance
131 public Plotter createPlotter(final XMBean xmbean,
132 final String attributeName,
133 String key,
134 JTable table) {
135 final Plotter plotter = new XPlotter(table, Plotter.Unit.NONE) {
136 Dimension prefSize = new Dimension(400, 170);
137 @Override
138 public Dimension getPreferredSize() {
139 return prefSize;
140 }
141 @Override
142 public Dimension getMinimumSize() {
143 return prefSize;
144 }
145 };
146
147 plotter.createSequence(attributeName, attributeName, null, true);
148
149 TimerTask timerTask = new TimerTask() {
150 public void run() {
151 tab.workerAdd(new Runnable() {
152 public void run() {
153 try {
154 Number n =
155 (Number) xmbean.getSnapshotMBeanServerConnection().getAttribute(xmbean.getObjectName(), attributeName);
156 long v;
157 if (n instanceof Float || n instanceof Double) {
158 plotter.setDecimals(PLOTTER_DECIMALS);
159 double d = (n instanceof Float) ? (Float)n : (Double)n;
160 v = Math.round(d * Math.pow(10.0, PLOTTER_DECIMALS));
161 } else {
162 v = n.longValue();
163 }
164 plotter.addValues(System.currentTimeMillis(), v);
165 } catch (Exception ex) {
166 // Should have a trace logged with proper
167 // trace mecchanism
168 }
169 }
170 });
171 }
172 };
173
174 String timerName = "Timer-" + key;
175 Timer timer = new Timer(timerName, true);
176 timer.schedule(timerTask, 0, tab.getUpdateInterval());
177 timerCache.put(key, timer);
178 return plotter;
179 }
180
181 private void setupDisplay(Plotter plotter) {
182 final JPanel buttonPanel = new JPanel();
183 final GridBagLayout gbl = new GridBagLayout();
184 buttonPanel.setLayout(gbl);
185 setLayout(new BorderLayout());
186 plotButton = new JButton(Messages.DISCARD_CHART);
187 plotButton.addActionListener(this);
188 plotButton.setEnabled(true);
189
190 GridBagConstraints buttonConstraints = new GridBagConstraints();
191 buttonConstraints.gridx = 0;
192 buttonConstraints.gridy = 0;
193 buttonConstraints.fill = GridBagConstraints.VERTICAL;
194 buttonConstraints.anchor = GridBagConstraints.CENTER;
195 gbl.setConstraints(plotButton, buttonConstraints);
196 buttonPanel.add(plotButton);
197
198 if (attributeName != null && attributeName.length()!=0) {
199 final JPanel plotterLabelPanel = new JPanel();
200 final JLabel label = new JLabel(attributeName);
201 final GridBagLayout gbl2 = new GridBagLayout();
202 plotterLabelPanel.setLayout(gbl2);
203 final GridBagConstraints labelConstraints = new GridBagConstraints();
204 labelConstraints.gridx = 0;
205 labelConstraints.gridy = 0;
206 labelConstraints.fill = GridBagConstraints.VERTICAL;
207 labelConstraints.anchor = GridBagConstraints.CENTER;
208 labelConstraints.ipady = 10;
209 gbl2.setConstraints(label, labelConstraints);
210 plotterLabelPanel.add(label);
211 add(plotterLabelPanel, BorderLayout.NORTH);
212 }
213 setPlotter(plotter);
214 add(buttonPanel, BorderLayout.SOUTH);
215 repaint();
216 }
217
218 }