/* *  Copyright (c) 2001 Sun Microsystems, Inc.  All rights *  reserved. * *  Redistribution and use in source and binary forms, with or without *  modification, are permitted provided that the following conditions *  are met: * *  1. Redistributions of source code must retain the above copyright *  notice, this list of conditions and the following disclaimer. * *  2. Redistributions in binary form must reproduce the above copyright *  notice, this list of conditions and the following disclaimer in *  the documentation and/or other materials provided with the *  distribution. * *  3. The end-user documentation included with the redistribution, *  if any, must include the following acknowledgment: *  "This product includes software developed by the *  Sun Microsystems, Inc. for Project JXTA." *  Alternately, this acknowledgment may appear in the software itself, *  if and wherever such third-party acknowledgments normally appear. * *  4. The names "Sun", "Sun Microsystems, Inc.", "JXTA" and "Project JXTA" *  must not be used to endorse or promote products derived from this *  software without prior written permission. For written *  permission, please contact Project JXTA at http://www.jxta.org. * *  5. Products derived from this software may not be called "JXTA", *  nor may "JXTA" appear in their name, without prior written *  permission of Sun. * *  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES *  OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE *  DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR *  ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF *  USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND *  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, *  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT *  OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF *  SUCH DAMAGE. *  ==================================================================== * *  This software consists of voluntary contributions made by many *  individuals on behalf of Project JXTA.  For more *  information on Project JXTA, please see *  <http://www.jxta.org/>. * *  This license is based on the BSD license adopted by the Apache Foundation. * *  $Id: StripPanel.java,v 1.2 2006/07/13 05:26:36 nano Exp $ */package net.jxta.myjxta.misc.beam;import net.jxta.ext.http.HttpGet;import java.io.BufferedReader;import java.io.File;import java.io.FileReader;import java.io.IOException;import java.net.URL;import java.util.ArrayList;import java.util.Timer;import java.util.TimerTask;/** * @author david.lin@sun.com * @version $Id: StripPanel.java,v 1.2 2006/07/13 05:26:36 nano Exp $ */public class StripPanel extends javax.swing.JPanel {    private File input = null;    private int INTERVAL = 7 * 1000;    private boolean jButton1IsSelected = false;    private Timer timer = null;    /**     * Creates new form StripPanel     */    public StripPanel(File newInput) {        this.input = newInput;        initComponents();    }    private void init() {    }    ;    private void destroy() {        stop();    }    /**     * This method is called from within the constructor to     * initialize the form.     * WARNING: Do NOT modify this code. The content of this method is     * always regenerated by the Form Editor.     */    // <editor-fold defaultstate="collapsed" desc=" Generated Code ">//GEN-BEGIN:initComponents    private void initComponents() {        jPanel1 = new javax.swing.JPanel();        jLabel1 = new javax.swing.JLabel();        jLabel2 = new javax.swing.JLabel();        jSlider1 = new javax.swing.JSlider();        jButton1 = new javax.swing.JButton();        jScrollPane1 = new javax.swing.JScrollPane();        jLabel3 = new javax.swing.JLabel();        setLayout(new java.awt.BorderLayout());        jPanel1.setLayout(new java.awt.FlowLayout(java.awt.FlowLayout.LEFT));        jLabel1.setText("Sampling Rate:");        jLabel1.setVerticalTextPosition(javax.swing.SwingConstants.TOP);        jPanel1.add(jLabel1);        jLabel2.setHorizontalAlignment(javax.swing.SwingConstants.CENTER);        jLabel2.setText("7");        jLabel2.setPreferredSize(new java.awt.Dimension(40, 15));        jPanel1.add(jLabel2);        jLabel2.getAccessibleContext().setAccessibleName("7");        jSlider1.setMaximum(180);        jSlider1.setMinimum(1);        jSlider1.setValue(7);        jSlider1.setPreferredSize(new java.awt.Dimension(100, 16));        jSlider1.addChangeListener(new javax.swing.event.ChangeListener() {            public void stateChanged(javax.swing.event.ChangeEvent evt) {                jSlider1StateChanged(evt);            }        });        jPanel1.add(jSlider1);        jButton1.setText("Start Poll");        jButton1.addMouseListener(new java.awt.event.MouseAdapter() {            public void mousePressed(java.awt.event.MouseEvent evt) {                jButton1MousePressed(evt);            }        });        jPanel1.add(jButton1);        add(jPanel1, java.awt.BorderLayout.NORTH);        jScrollPane1.setViewportView(jLabel3);        add(jScrollPane1, java.awt.BorderLayout.CENTER);    }    // </editor-fold>//GEN-END:initComponents    private void jButton1MousePressed(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_jButton1MousePressed// TODO add your handling code here:        if (jButton1IsSelected) {            jButton1IsSelected = false;            jButton1.setText("Start Poll");            stop();        } else {            jButton1IsSelected = true;            jButton1.setText("Stop Poll");            start();        }    }//GEN-LAST:event_jButton1MousePressed    // http://www.computing.net/programming/wwwboard/forum/12276.html    private static ArrayList loadFile(File f) {        String line;        ArrayList file = new ArrayList();        try {            BufferedReader in = new BufferedReader(new FileReader(f));            if (!in.ready())                throw new IOException();            while ((line = in.readLine()) != null)                file.add(line);            in.close();        }        catch (IOException e) {            System.out.println(e);            return null;        }        return file;    }    public URL getBeam() {        //File tempFile = getBeam();        ArrayList al = loadFile(input);        String firstLine = (String) al.get(0);        URL tempURL = null;        try {            tempURL = new URL(firstLine);        } catch (Exception e) {            e.printStackTrace();        }        System.out.println("tempURL: " + tempURL.toString());        return tempURL;    }    private void setValue(String v) {        this.jLabel3.setText(v);        System.out.println("setValue: " + v);    }    private void start() {        //jLabel3.setText("Poll in start state");        // http://www.docjar.com/docs/api/java/util/TimerTask.html        this.timer = new Timer();        TimerTask task = new TimerTask() {            private HttpGet fetcher = new HttpGet(getBeam());            public void run() {                try {                    setValue(fetcher.dispatch().getBody());                } catch (IOException ioe) {                    ioe.printStackTrace();                }            }        };        timer.scheduleAtFixedRate(task, 0, INTERVAL);    }    private void stop() {        //jLabel3.setText("Poll in stop state");        if (this.timer != null) {            this.timer.cancel();            this.timer = null;        }    }    private void jSlider1StateChanged(javax.swing.event.ChangeEvent evt) {//GEN-FIRST:event_jSlider1StateChanged        jLabel2.setText(String.valueOf(jSlider1.getValue())); // TODO add your handling code here:        INTERVAL = 1000 * jSlider1.getValue();        stop();        start();    }//GEN-LAST:event_jSlider1StateChanged    // Variables declaration - do not modify//GEN-BEGIN:variables    private javax.swing.JButton jButton1;    private javax.swing.JLabel jLabel1;    private javax.swing.JLabel jLabel2;    private javax.swing.JLabel jLabel3;    private javax.swing.JPanel jPanel1;    private javax.swing.JScrollPane jScrollPane1;    private javax.swing.JSlider jSlider1;    // End of variables declaration//GEN-END:variables}