javaprofiler-commits

[Lukas P. <pe...@us...>]

Update of /cvsroot/javaprofiler/test/module
In directory usw-pr-cvs1:/tmp/cvs-serv11628

Added Files:
	MainThreads.java 
Log Message:
Test of a graphical component


--- NEW FILE: MainThreads.java ---
package net.sourceforge.javaprofiler.module.views;

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.util.Timer;
import java.util.TimerTask;

import net.sourceforge.javaprofiler.jpiimpl.commun.*;
import net.sourceforge.javaprofiler.jpiimpl.realtime.*;

/** Example of using TimeSeriesGraph to show number of running threads.
 *  Please supply the name of profiled computer as a command-line parameter.
 *  Default: localhost
 *  @author Lukas Petru
 */
public class MainThreads
{
  static TimeSeriesGraph component;
  
  public static void main (String[] args) {
    connectAndRun(args);
  }

  private static void launchGui (final ImageR image, final IProf iprof) {
    JFrame frame=new JFrame("Main");
    frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
    frame.addWindowListener(new WindowAdapter() {
        public void windowClosing(WindowEvent e) {
            iprof.stop();
            System.exit(0);
        }
    });

    component=new TimeSeriesGraph();
    component.setBorder(BorderFactory.createLineBorder(Color.yellow));
    component.setBackground(Color.white);
    frame.getContentPane().add(component, BorderLayout.NORTH);

    frame.pack();
    frame.show();

    // Using java.util.Timer instead that of swing, because we don't
    // want the task to run in the event-dispatching thread.
    Timer timer=new Timer();
    TimerTask task=new TimerTask() {
      public void run() {
        final TimeSeriesModel m=component.getModel();
        final int[] data=m.copyData();
        // roll data
        System.arraycopy(data,1,data,0,data.length-1);
        image.refreshThreads();
        // get last value
        int val=image.getThreads().size();
        data[data.length-1]=val>0 ? val : 0;

        // set data in event-dispatching thread
        SwingUtilities.invokeLater(new Runnable() {
          public void run() {
            m.setData(data);
          }
        });
      }
    };
    timer.schedule(task, 1000, 500);
  }

  private static ImageR getImage(IProf iprof) {
      ImageR image=new ImageR(iprof, false);
      return image;
  }

  private static IProf connect (String hostName) {
      IProf iprof = new IProf(new CommunSetupSocket(CommunSetupSocket.
          CLIENT_MODE, hostName, 25595));
      try {
          iprof.run();
          return iprof;
      } catch (IProfException e) {
          System.out.println(e);
          return null;
      }
  }

  private static void connectAndRun(String[] arg) {
    String hostName = "localhost";
    if (arg.length >= 1)
        hostName = arg[0];
    System.out.println("host: " + hostName);

    IProf iprof = connect(hostName);
    if (iprof != null) {
        ImageR image=getImage(iprof);
        launchGui(image, iprof);
    }
    else  System.out.println("Error connecting.");
  }
}