org.jboss.console.manager.interfaces.impl.GraphMBeanAttributeAction.java Source code

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Here is the source code for org.jboss.console.manager.interfaces.impl.GraphMBeanAttributeAction.java

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/*
 * 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.AbstractXYDataset;
import org.jfree.data.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: 57191 $
 *
 * <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 getXValue(int series, int item) {
            return new Integer(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 getYValue(int series, int item) {
            return (Number) data.get(item);
        }

        /**
         * 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();
        }
    }

}