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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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package sun.tools.jconsole.inspector;
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.util.*;
import java.util.Timer;
import javax.management.*;
import javax.swing.*;
import javax.swing.border.*;
import javax.swing.event.*;
import sun.tools.jconsole.*;
@SuppressWarnings("serial")
public class XPlottingViewer extends PlotterPanel implements ActionListener {
// TODO: Make number of decimal places customizable
private static final int PLOTTER_DECIMALS = 4;
private JButton plotButton;
// The plotter cache holds Plotter instances for the various attributes
private static HashMap<String, XPlottingViewer> plotterCache =
new HashMap<String, XPlottingViewer>();
private static HashMap<String, Timer> timerCache =
new HashMap<String, Timer>();
private JPanel bordered;
private Number value;
private MBeansTab tab;
private XMBean mbean;
private String attributeName;
private String key;
private JTable table;
private XPlottingViewer(String key,
XMBean mbean,
String attributeName,
Object value,
JTable table,
MBeansTab tab) {
super(null);
this.tab = tab;
this.key = key;
this.mbean = mbean;
this.table = table;
this.attributeName = attributeName;
Plotter plotter = createPlotter(mbean, attributeName, key, table);
setupDisplay(plotter);
}
static void dispose(MBeansTab tab) {
Iterator it = plotterCache.keySet().iterator();
while(it.hasNext()) {
String key = (String) it.next();
if(key.startsWith(String.valueOf(tab.hashCode()))) {
it.remove();
}
}
//plotterCache.clear();
it = timerCache.keySet().iterator();
while(it.hasNext()) {
String key = (String) it.next();
if(key.startsWith(String.valueOf(tab.hashCode()))) {
Timer t = timerCache.get(key);
t.cancel();
it.remove();
}
}
}
public static boolean isViewableValue(Object value) {
return (value instanceof Number);
}
//Fired by dbl click
public static Component loadPlotting(XMBean mbean,
String attributeName,
Object value,
JTable table,
MBeansTab tab) {
Component comp = null;
if(isViewableValue(value)) {
String key = String.valueOf(tab.hashCode()) + " " + String.valueOf(mbean.hashCode()) + " " + mbean.getObjectName().getCanonicalName() + attributeName;
XPlottingViewer plotter = plotterCache.get(key);
if(plotter == null) {
plotter = new XPlottingViewer(key,
mbean,
attributeName,
value,
table,
tab);
plotterCache.put(key, plotter);
}
comp = plotter;
}
return comp;
}
/*public void paintComponent(Graphics g) {
super.paintComponent(g);
setBackground(g.getColor());
plotter.paintComponent(g);
}*/
public void actionPerformed(ActionEvent evt) {
plotterCache.remove(key);
Timer t = timerCache.remove(key);
t.cancel();
((XMBeanAttributes) table).collapse(attributeName, this);
}
//Create plotter instance
public Plotter createPlotter(final XMBean xmbean,
final String attributeName,
String key,
JTable table) {
final Plotter plotter = new XPlotter(table, Plotter.Unit.NONE) {
Dimension prefSize = new Dimension(400, 170);
public Dimension getPreferredSize() {
return prefSize;
}
public Dimension getMinimumSize() {
return prefSize;
}
};
plotter.createSequence(attributeName, attributeName, null, true);
TimerTask timerTask = new TimerTask() {
public void run() {
tab.workerAdd(new Runnable() {
public void run() {
try {
Number n =
(Number) xmbean.getMBeanServerConnection().getAttribute(xmbean.getObjectName(), attributeName);
long v;
if (n instanceof Float || n instanceof Double) {
plotter.setDecimals(PLOTTER_DECIMALS);
double d = (n instanceof Float) ? (Float)n : (Double)n;
v = Math.round(d * Math.pow(10.0, PLOTTER_DECIMALS));
} else {
v = n.longValue();
}
plotter.addValues(System.currentTimeMillis(), v);
} catch (Exception ex) {
// Should have a trace logged with proper
// trace mecchanism
}
}
});
}
};
String timerName = "Timer-" + key;
Timer timer = new Timer(timerName, true);
timer.schedule(timerTask, 0, tab.getUpdateInterval());
timerCache.put(key, timer);
return plotter;
}
//Create Plotter display
private void setupDisplay(Plotter plotter) {
//setLayout(new GridLayout(2,0));
GridBagLayout gbl = new GridBagLayout();
setLayout(gbl);
plotButton = new JButton(Resources.getText("Discard chart"));
plotButton.addActionListener(this);
plotButton.setEnabled(true);
// Add the display to the top four cells
GridBagConstraints buttonConstraints = new GridBagConstraints();
buttonConstraints.gridx = 0;
buttonConstraints.gridy = 0;
buttonConstraints.fill = GridBagConstraints.VERTICAL;
buttonConstraints.anchor = GridBagConstraints.CENTER;
gbl.setConstraints(plotButton, buttonConstraints);
add(plotButton);
GridBagConstraints plotterConstraints = new GridBagConstraints();
plotterConstraints.gridx = 0;
plotterConstraints.gridy = 1;
plotterConstraints.weightx = 1;
//plotterConstraints.gridwidth = (int) plotter.getPreferredSize().getWidth();
//plotterConstraints.gridheight = (int) plotter.getPreferredSize().getHeight();
plotterConstraints.fill = GridBagConstraints.VERTICAL;
gbl.setConstraints(plotter, plotterConstraints);
//bordered = new JPanel();
//bordered.setPreferredSize(new Dimension(400, 250));
//bordered.add(plotButton);
//bordered.add(plotter);
//add(bordered);
setPlotter(plotter);
repaint();
}
}