/*
* JBoss, Home of Professional Open Source.
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.console.manager.interfaces.impl;
import org.jboss.console.navtree.AppletBrowser;
import org.jboss.console.navtree.AppletTreeAction;
import org.jboss.console.navtree.TreeContext;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartFrame;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.data.xy.AbstractXYDataset;
import org.jfree.data.general.DatasetChangeEvent;
import javax.management.ObjectName;
import java.util.ArrayList;
/**
* <description>
*
* @see <related>
*
* @author <a href="mailto:sacha.labourey@cogito-info.ch">Sacha Labourey</a>.
* @version $Revision: 68694 $
*
* <p><b>Revisions:</b>
*
* <p><b>3 janv. 2003 Sacha Labourey:</b>
* <ul>
* <li> First implementation </li>
* </ul>
*/
public class GraphMBeanAttributeAction
implements AppletTreeAction
{
public class MBeanXYDataset extends AbstractXYDataset
{
private ArrayList data = new ArrayList();
/**
* Default constructor.
*/
public MBeanXYDataset()
{
}
public void clear()
{
data.clear();
notifyListeners(new DatasetChangeEvent(this, this));
}
public void add(Object num)
{
data.add(num);
notifyListeners(new DatasetChangeEvent(this, this));
}
/**
* Returns the x-value for the specified series and item. Series are numbered 0, 1, ...
*
* @param series the index (zero-based) of the series.
* @param item the index (zero-based) of the required item.
*
* @return the x-value for the specified series and item.
*/
public Number getX(int series, int item)
{
return (Number)item;
}
/**
* Returns the y-value for the specified series and item. Series are numbered 0, 1, ...
*
* @param series the index (zero-based) of the series.
* @param item the index (zero-based) of the required item.
*
* @return the y-value for the specified series and item.
*/
public Number getY(int series, int item)
{
return (Number)data.get(item);
}
/**
* Returns the x-value for the specified series and item. Series are numbered 0, 1, ...
*
* @param series the index (zero-based) of the series.
* @param item the index (zero-based) of the required item.
*
* @return the x-value for the specified series and item.
*/
public double getXValue(int series, int item)
{
return item;
}
/**
* Returns the y-value for the specified series and item. Series are numbered 0, 1, ...
*
* @param series the index (zero-based) of the series.
* @param item the index (zero-based) of the required item.
*
* @return the y-value for the specified series and item.
*/
public double getYValue(int series, int item)
{
double result = Double.NaN;
Number x = (Number)data.get(item);
if (x != null) {
result = x.doubleValue();
}
return result;
}
/**
* Returns the key for a series.
* <p>
* If <code>series</code> is not within the specified range, the
* implementing method should throw an {@link IndexOutOfBoundsException}
* (preferred) or an {@link IllegalArgumentException}.
*
* @param series the series index (in the range <code>0</code> to
* <code>getSeriesCount() - 1</code>).
*
* @return The series key.
*/
public Comparable getSeriesKey(int series){
return "graph"; //Just better to keep it as "graph" for now
}
/**
* Returns the number of series in the dataset.
*
* @return the number of series in the dataset.
*/
public int getSeriesCount()
{
return 1;
}
/**
* Returns the name of the series.
*
* @param series the index (zero-based) of the series.
*
* @return the name of the series.
*/
public String getSeriesName(int series)
{
return "y = " + attr;
}
/**
* Returns the number of items in the specified series.
*
* @param series the index (zero-based) of the series.
* @return the number of items in the specified series.
*
*/
public int getItemCount(int series)
{
return data.size();
}
}
public class UpdateThread implements Runnable
{
MBeanXYDataset data;
TreeContext tc;
public UpdateThread(MBeanXYDataset data, TreeContext tc)
{
this.data = data;
this.tc = tc;
}
public void run()
{
while (true)
{
try
{
if (frame.isShowing())
{
Object val = tc.getRemoteMBeanInvoker().getAttribute(targetObjectName, attr);
System.out.println("added value: " + val);
data.add(val);
}
Thread.sleep(1000);
}
catch (Exception ex)
{
ex.printStackTrace();
}
}
}
}
protected ObjectName targetObjectName = null;
protected String attr = null;
protected transient ChartFrame frame = null;
protected transient MBeanXYDataset dataset = null;
public GraphMBeanAttributeAction()
{
}
public GraphMBeanAttributeAction(ObjectName pName,
String attr)
{
this.targetObjectName = pName;
this.attr = attr;
}
public void doAction(TreeContext tc, AppletBrowser applet)
{
try
{
if (frame == null)
{
//tc.getRemoteMBeanInvoker ().invoke(targetObjectName, actionName, params, signature);
dataset = new MBeanXYDataset();
JFreeChart chart = ChartFactory.createXYLineChart(
"JMX Attribute: " + attr, "count", attr, dataset,
PlotOrientation.VERTICAL,
true,
true,
false
);
UpdateThread update = new UpdateThread(dataset, tc);
Thread thread = new Thread(update);
thread.start();
frame = new ChartFrame("JMX Attribute: " + attr, chart);
frame.getChartPanel().setPreferredSize(new java.awt.Dimension(500, 270));
frame.pack();
}
else
{
dataset.clear();
}
frame.show();
frame.requestFocus();
}
catch (Exception displayed)
{
displayed.printStackTrace();
}
}
}