java-使用java开发的工程pro模版创建工具脚本

package audiorecorder; import java.awt.GridLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.InputStream; import javax.sound.sampled.AudioFormat; import javax.sound.sampled.AudioInputStream; import javax.sound.sampled.AudioSystem; import javax.sound.sampled.DataLine; import javax.sound.sampled.SourceDataLine; import javax.sound.sampled.TargetDataLine; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JOptionPane; import javax.swing.SwingWorker; /** * This class creates GUI and implements methods for audio recording * @author Pavel Dusek */ public class AudioRecorder extends JFrame implements ActionListener { private static final int HOW_MANY_BUTTONS = 5; private static final float SAMPLE_RATE = 8000.0f; //8kHz private static final int SAMPLE_SIZE_IN_BITS = 16; private static final int CHANNELS = 1; private static final boolean SIGNED = true; private static final boolean BIG_ENDIAN = false; private ByteArrayOutputStream out; private AudioRecorderTask audioRecorderTask; private AudioFormat format = new AudioFormat( SAMPLE_RATE, SAMPLE_SIZE_IN_BITS, CHANNELS, SIGNED, BIG_ENDIAN); /** * This constructor creates JFrame based GUI with {@link JButton} buttons */ public AudioRecorder() { super("AudioRecorder"); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setLayout(new GridLayout(1,HOW_MANY_BUTTONS)); JButton play = makeButton("Play"); add(play); JButton record = makeButton("Record"); add(record); JButton stop = makeButton("Stop"); add(stop); JButton save = makeButton("Save"); add(save); JButton plot = makeButton("Plot"); add(plot); } private JButton makeButton(String name) { JButton button = new JButton(name); button.addActionListener(this); button.setActionCommand(name); return button; } public static void main(String[] args) { AudioRecorder audioRecorder = new AudioRecorder(); audioRecorder.setSize(500,100); audioRecorder.setVisible(true); } @Override public void actionPerformed(ActionEvent ae) { if (ae.getActionCommand().equals("Play")) { play(); } else if (ae.getActionCommand().equals("Stop")) { stop(); } else if (ae.getActionCommand().equals("Record")) { record(); } else if (ae.getActionCommand().equals("Save")) { save(); } else if (ae.getActionCommand().equals("Plot")) { plot(); } } private void play() { byte[] audio = out.toByteArray(); InputStream in = new ByteArrayInputStream(audio); AudioInputStream ais = new AudioInputStream(in, format, audio.length / format.getFrameSize()); DataLine.Info info = new DataLine.Info(SourceDataLine.class, format); try { SourceDataLine speaker = (SourceDataLine) AudioSystem.getLine(info); speaker.open(format); speaker.start(); int bufferSize = (int) format.getSampleRate() * format.getFrameSize(); byte[] buffer = new byte[bufferSize]; int count; while ((count = ais.read(buffer, 0, buffer.length)) != -1) { if (count > 0) { speaker.write(buffer, 0, count); } } speaker.drain(); speaker.close(); } catch (Exception excp) { excp.printStackTrace(); JOptionPane.showMessageDialog(this, excp.getMessage(), "Error!", JOptionPane.ERROR_MESSAGE); } } private void stop() { audioRecorderTask.cancel(true); audioRecorderTask = null; JOptionPane.showMessageDialog(this, "Recording stopped.", "Info!", JOptionPane.INFORMATION_MESSAGE); } private class AudioRecorderTask extends SwingWorker<Void,byte[]> { @Override protected Void doInBackground() { TargetDataLine microphone; DataLine.Info info = new DataLine.Info(TargetDataLine.class, format); if (!AudioSystem.isLineSupported(info)) { System.out.println("Error! Audio System line not supported."); } else { //TODO open mixer's getLine()? try { microphone = AudioSystem.getTargetDataLine(format); microphone.open(format); out = new ByteArrayOutputStream(); int numBytesRead; byte[] data = new byte[microphone.getBufferSize()/5]; microphone.start(); while (!isCancelled()) { numBytesRead = microphone.read(data, 0, data.length); out.write(data, 0, numBytesRead); } out.close(); } catch (Exception excp) { System.out.println("Error! Could not open Audio System line!"); excp.printStackTrace(); } } return null; } } /* * Method that reads data from the microphone port. */ private void record() { (audioRecorderTask = new AudioRecorderTask()).execute(); } /** * Method that takes care of saving the audio data into a file. */ private void save() { throw new UnsupportedOperationException("Not yet implemented"); } /** * Method that plots the soundwaves to a chart. */ private void plot() { throw new UnsupportedOperationException("Not yet implemented"); } }