Tengo un codigo que compilo y al correrlo funciona correctamente como aplicacion de escritorio, el mismo lo compilo para obtener un applet, lo firmo, lo pongo en una pagina.html y funciona con las siguientes salvedades:
Primero no se ejecuta dentro del explorador sino como si fuera una aplicacion de escritorio, es decir en una ventanita o como si fuera un programa aparte de explorador, se entiende?
Segundo en el propio explorador me da un error el cual copio desde la consola java aqui:
java.lang.ClassCastException: LeerArchivo.LeerArchivo cannot be cast to java.applet.Applet
at sun.plugin2.applet.Plugin2Manager.createApplet(Unk nown Source)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionR unnable.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Excepción: java.lang.ClassCastException: LeerArchivo.LeerArchivo cannot be cast to java.applet.Applet
LA PREGUNTA este codigo sirve tanto para compilar la aplicación para escritorio como para un applet? de no ser posible esto que tendria que cambiar en el codigo para que el applet corra dentro del propio navegador???
Desde ya muchas gracias!!!
PD: aqui les dejo el codigo que use para hacer el applet
Código PHP:
package Grabador;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import javax.sound.sampled.*;
public class Grabador extends JFrame{
AudioFormat audioFormat;
TargetDataLine targetDataLine;
final JButton captureBtn =
new JButton("Capturar");
final JButton stopBtn = new JButton("Parar");
final JPanel btnPanel = new JPanel();
final ButtonGroup btnGroup = new ButtonGroup();
final JRadioButton aifcBtn =
new JRadioButton("AIFC");
final JRadioButton aiffBtn =
new JRadioButton("AIFF");
final JRadioButton auBtn =//selected at startup
new JRadioButton("AU");
final JRadioButton sndBtn =
new JRadioButton("SND");
final JRadioButton waveBtn =
new JRadioButton("WAV",true);
public static void main( String args[]){
new Grabador();
}//end main
public Grabador(){//constructor
captureBtn.setEnabled(true);
stopBtn.setEnabled(false);
//Register anonymous listeners
captureBtn.addActionListener(
new ActionListener(){
public void actionPerformed(
ActionEvent e){
captureBtn.setEnabled(false);
stopBtn.setEnabled(true);
//Capture input data from the
// microphone until the Stop button is
// clicked.
captureAudio();
}//end actionPerformed
}//end ActionListener
);//end addActionListener()
stopBtn.addActionListener(
new ActionListener(){
public void actionPerformed(
ActionEvent e){
captureBtn.setEnabled(true);
stopBtn.setEnabled(false);
//Terminate the capturing of input data
// from the microphone.
targetDataLine.stop();
targetDataLine.close();
}//end actionPerformed
}//end ActionListener
);//end addActionListener()
//Put the buttons in the JFrame
getContentPane().add(captureBtn);
getContentPane().add(stopBtn);
//Include the radio buttons in a group
btnGroup.add(aifcBtn);
btnGroup.add(aiffBtn);
btnGroup.add(auBtn);
btnGroup.add(sndBtn);
btnGroup.add(waveBtn);
//Add the radio buttons to the JPanel
btnPanel.add(aifcBtn);
btnPanel.add(aiffBtn);
btnPanel.add(auBtn);
btnPanel.add(sndBtn);
btnPanel.add(waveBtn);
//Put the JPanel in the JFrame
getContentPane().add(btnPanel);
//Finish the GUI and make visible
getContentPane().setLayout(new FlowLayout());
setTitle("Copyright 2009, fad");
setDefaultCloseOperation(EXIT_ON_CLOSE);
setSize(300,120);
setVisible(true);
}//end constructor
//This method captures audio input from a
// microphone and saves it in an audio file.
private void captureAudio(){
try{
//Get things set up for capture
audioFormat = getAudioFormat();
DataLine.Info dataLineInfo =
new DataLine.Info(
TargetDataLine.class,
audioFormat);
targetDataLine = (TargetDataLine)
AudioSystem.getLine(dataLineInfo);
//Create a thread to capture the microphone
// data into an audio file and start the
// thread running. It will run until the
// Stop button is clicked. This method
// will return after starting the thread.
new CaptureThread().start();
}catch (Exception e) {
e.printStackTrace();
System.exit(0);
}//end catch
}//end captureAudio method
//This method creates and returns an
// AudioFormat object for a given set of format
// parameters. If these parameters don't work
// well for you, try some of the other
// allowable parameter values, which are shown
// in comments following the declarations.
private AudioFormat getAudioFormat(){
float sampleRate = 44100.0F;
//8000,11025,16000,22050,44100
int sampleSizeInBits = 16;
//8,16
int channels = 1;
//1,2
boolean signed = true;
//true,false
boolean bigEndian = false;
//true,false
return new AudioFormat(sampleRate,
sampleSizeInBits,
channels,
signed,
bigEndian);
}//end getAudioFormat
//=============================================//
//Inner class to capture data from microphone
// and write it to an output audio file.
class CaptureThread extends Thread{
public void run(){
AudioFileFormat.Type fileType = null;
File audioFile = null;
//Set the file type and the file extension
// based on the selected radio button.
if(aifcBtn.isSelected()){
fileType = AudioFileFormat.Type.AIFC;
audioFile = new File("junk.aifc");
}else if(aiffBtn.isSelected()){
fileType = AudioFileFormat.Type.AIFF;
audioFile = new File("junk.aif");
}else if(auBtn.isSelected()){
fileType = AudioFileFormat.Type.AU;
audioFile = new File("junk.au");
}else if(sndBtn.isSelected()){
fileType = AudioFileFormat.Type.SND;
audioFile = new File("junk.snd");
}else if(waveBtn.isSelected()){
fileType = AudioFileFormat.Type.WAVE;
audioFile = new File("test.wav");
}//end if
try{
targetDataLine.open(audioFormat);
targetDataLine.start();
AudioSystem.write(
new AudioInputStream(targetDataLine),
fileType,
audioFile);
}catch (Exception e){
e.printStackTrace();
}//end catch
}//end run
}//end inner class CaptureThread
//=============================================//
}//end outer class Grabador.java