1 /*
2 * Copyright (c) 2004, 2006, 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 package sun.tools.jconsole.inspector;
26
27 import java.awt.*;
28 import java.awt.event.*;
29 import java.io.*;
30 import java.util.*;
31 import java.util.Timer;
32
33 import javax.management.*;
34 import javax.swing.*;
35 import javax.swing.border.*;
36 import javax.swing.event.*;
37
38 import sun.tools.jconsole.*;
39
40 @SuppressWarnings("serial")
41 public class XPlottingViewer extends PlotterPanel implements ActionListener {
42 // TODO: Make number of decimal places customizable
43 private static final int PLOTTER_DECIMALS = 4;
44
45 private JButton plotButton;
46 // The plotter cache holds Plotter instances for the various attributes
47 private static HashMap<String, XPlottingViewer> plotterCache =
48 new HashMap<String, XPlottingViewer>();
49 private static HashMap<String, Timer> timerCache =
50 new HashMap<String, Timer>();
51 private JPanel bordered;
52 private Number value;
53 private MBeansTab tab;
54 private XMBean mbean;
55 private String attributeName;
56 private String key;
57 private JTable table;
58 private XPlottingViewer(String key,
59 XMBean mbean,
60 String attributeName,
61 Object value,
62 JTable table,
63 MBeansTab tab) {
64 super(null);
65
66 this.tab = tab;
67 this.key = key;
68 this.mbean = mbean;
69 this.table = table;
70 this.attributeName = attributeName;
71 Plotter plotter = createPlotter(mbean, attributeName, key, table);
72 setupDisplay(plotter);
73 }
74
75 static void dispose(MBeansTab tab) {
76 Iterator it = plotterCache.keySet().iterator();
77 while(it.hasNext()) {
78 String key = (String) it.next();
79 if(key.startsWith(String.valueOf(tab.hashCode()))) {
80 it.remove();
81 }
82 }
83 //plotterCache.clear();
84 it = timerCache.keySet().iterator();
85 while(it.hasNext()) {
86 String key = (String) it.next();
87 if(key.startsWith(String.valueOf(tab.hashCode()))) {
88 Timer t = timerCache.get(key);
89 t.cancel();
90 it.remove();
91 }
92 }
93 }
94
95 public static boolean isViewableValue(Object value) {
96 return (value instanceof Number);
97 }
98
99 //Fired by dbl click
100 public static Component loadPlotting(XMBean mbean,
101 String attributeName,
102 Object value,
103 JTable table,
104 MBeansTab tab) {
105 Component comp = null;
106 if(isViewableValue(value)) {
107 String key = String.valueOf(tab.hashCode()) + " " + String.valueOf(mbean.hashCode()) + " " + mbean.getObjectName().getCanonicalName() + attributeName;
108 XPlottingViewer plotter = plotterCache.get(key);
109 if(plotter == null) {
110 plotter = new XPlottingViewer(key,
111 mbean,
112 attributeName,
113 value,
114 table,
115 tab);
116 plotterCache.put(key, plotter);
117 }
118
119 comp = plotter;
120 }
121 return comp;
122 }
123
124 /*public void paintComponent(Graphics g) {
125 super.paintComponent(g);
126 setBackground(g.getColor());
127 plotter.paintComponent(g);
128 }*/
129 public void actionPerformed(ActionEvent evt) {
130 plotterCache.remove(key);
131 Timer t = timerCache.remove(key);
132 t.cancel();
133 ((XMBeanAttributes) table).collapse(attributeName, this);
134 }
135
136 //Create plotter instance
137 public Plotter createPlotter(final XMBean xmbean,
138 final String attributeName,
139 String key,
140 JTable table) {
141 final Plotter plotter = new XPlotter(table, Plotter.Unit.NONE) {
142 Dimension prefSize = new Dimension(400, 170);
143 public Dimension getPreferredSize() {
144 return prefSize;
145 }
146 public Dimension getMinimumSize() {
147 return prefSize;
148 }
149 };
150
151 plotter.createSequence(attributeName, attributeName, null, true);
152
153 TimerTask timerTask = new TimerTask() {
154 public void run() {
155 tab.workerAdd(new Runnable() {
156 public void run() {
157 try {
158 Number n =
159 (Number) xmbean.getMBeanServerConnection().getAttribute(xmbean.getObjectName(), attributeName);
160 long v;
161 if (n instanceof Float || n instanceof Double) {
162 plotter.setDecimals(PLOTTER_DECIMALS);
163 double d = (n instanceof Float) ? (Float)n : (Double)n;
164 v = Math.round(d * Math.pow(10.0, PLOTTER_DECIMALS));
165 } else {
166 v = n.longValue();
167 }
168 plotter.addValues(System.currentTimeMillis(), v);
169 } catch (Exception ex) {
170 // Should have a trace logged with proper
171 // trace mecchanism
172 }
173 }
174 });
175 }
176 };
177
178 String timerName = "Timer-" + key;
179 Timer timer = new Timer(timerName, true);
180 timer.schedule(timerTask, 0, tab.getUpdateInterval());
181 timerCache.put(key, timer);
182 return plotter;
183 }
184
185 //Create Plotter display
186 private void setupDisplay(Plotter plotter) {
187 //setLayout(new GridLayout(2,0));
188 GridBagLayout gbl = new GridBagLayout();
189 setLayout(gbl);
190 plotButton = new JButton(Resources.getText("Discard chart"));
191 plotButton.addActionListener(this);
192 plotButton.setEnabled(true);
193
194 // Add the display to the top four cells
195 GridBagConstraints buttonConstraints = new GridBagConstraints();
196 buttonConstraints.gridx = 0;
197 buttonConstraints.gridy = 0;
198 buttonConstraints.fill = GridBagConstraints.VERTICAL;
199 buttonConstraints.anchor = GridBagConstraints.CENTER;
200 gbl.setConstraints(plotButton, buttonConstraints);
201 add(plotButton);
202
203 GridBagConstraints plotterConstraints = new GridBagConstraints();
204 plotterConstraints.gridx = 0;
205 plotterConstraints.gridy = 1;
206 plotterConstraints.weightx = 1;
207 //plotterConstraints.gridwidth = (int) plotter.getPreferredSize().getWidth();
208 //plotterConstraints.gridheight = (int) plotter.getPreferredSize().getHeight();
209 plotterConstraints.fill = GridBagConstraints.VERTICAL;
210 gbl.setConstraints(plotter, plotterConstraints);
211
212
213 //bordered = new JPanel();
214 //bordered.setPreferredSize(new Dimension(400, 250));
215 //bordered.add(plotButton);
216 //bordered.add(plotter);
217
218 //add(bordered);
219
220 setPlotter(plotter);
221 repaint();
222 }
223
224 }