?? javasound.java
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/* * @(#)JavaSound.java 1.15 00/01/31 * * Copyright (c) 1999 Sun Microsystems, Inc. All Rights Reserved. * * Sun grants you ("Licensee") a non-exclusive, royalty free, license to use, * modify and redistribute this software in source and binary code form, * provided that i) this copyright notice and license appear on all copies of * the software; and ii) Licensee does not utilize the software in a manner * which is disparaging to Sun. * * This software is provided "AS IS," without a warranty of any kind. ALL * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY * IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR * NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE * LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING * OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS * LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, * INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER * CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF * OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE * POSSIBILITY OF SUCH DAMAGES. * * This software is not designed or intended for use in on-line control of * aircraft, air traffic, aircraft navigation or aircraft communications; or in * the design, construction, operation or maintenance of any nuclear * facility. Licensee represents and warrants that it will not use or * redistribute the Software for such purposes. */import java.awt.*;import java.awt.event.*;import javax.swing.*;import javax.swing.event.*;import javax.swing.border.*;import java.io.File;import java.util.Vector;import javax.sound.sampled.*;import javax.sound.midi.*;/** * The Java Sound Samples : MidiSynth, Juke, CapturePlayback, Groove. * * @version @(#)JavaSound.java 1.15 00/01/31 * @author Brian Lichtenwalter */public class JavaSound extends JPanel implements ChangeListener, Runnable { Vector demos = new Vector(4); JTabbedPane tabPane = new JTabbedPane(); int width = 760, height = 500; int index; public JavaSound(String audioDirectory) { setLayout(new BorderLayout()); JMenuBar menuBar = new JMenuBar(); if (JavaSoundApplet.applet == null) { JMenu fileMenu = (JMenu) menuBar.add(new JMenu("File")); JMenuItem item = (JMenuItem) fileMenu.add(new JMenuItem("Exit")); item.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { System.exit(0); } }); } JMenu options = (JMenu) menuBar.add(new JMenu("Options")); JMenuItem item = (JMenuItem) options.add(new JMenuItem("Applet Info")); item.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { showInfoDialog(); } }); add(menuBar, BorderLayout.NORTH); tabPane.addChangeListener(this); EmptyBorder eb = new EmptyBorder(5,5,5,5); BevelBorder bb = new BevelBorder(BevelBorder.LOWERED); CompoundBorder cb = new CompoundBorder(eb,bb); JPanel p = new JPanel(new BorderLayout()); p.setBorder(new CompoundBorder(cb,new EmptyBorder(0,0,90,0))); final Juke juke = new Juke(audioDirectory); p.add(juke); demos.add(juke); tabPane.addTab("Juke Box", p); new Thread(this).start(); add(tabPane, BorderLayout.CENTER); } public void stateChanged(ChangeEvent e) { close(); System.gc(); index = tabPane.getSelectedIndex(); open(); } public void close() { ((ControlContext) demos.get(index)).close(); } public void open() { ((ControlContext) demos.get(index)).open(); } public Dimension getPreferredSize() { return new Dimension(width, height); } public static void showInfoDialog() { final String msg = "When running the Java Sound demo as an applet these permissions\n" + "are necessary in order to load/save files and record audio : \n\n"+ "grant { \n" + " permission java.io.FilePermission \"<<ALL FILES>>\", \"read, write\";\n" + " permission javax.sound.sampled.AudioPermission \"record\"; \n" + " permission java.util.PropertyPermission \"user.dir\", \"read\";\n"+ "}; \n\n" + "The permissions need to be added to the .java.policy file."; new Thread(new Runnable() { public void run() { JOptionPane.showMessageDialog(null, msg, "Applet Info", JOptionPane.INFORMATION_MESSAGE); } }).start(); } /** * Lazy load the tabbed pane with CapturePlayback, MidiSynth and Groove. */ public void run() { EmptyBorder eb = new EmptyBorder(5,5,5,5); BevelBorder bb = new BevelBorder(BevelBorder.LOWERED); CompoundBorder cb = new CompoundBorder(eb,bb); JPanel p = new JPanel(new BorderLayout()); p.setBorder(new CompoundBorder(cb,new EmptyBorder(0,0,90,0))); CapturePlayback capturePlayback = new CapturePlayback(); demos.add(capturePlayback); p.add(capturePlayback); tabPane.addTab("Capture/Playback", p); MidiSynth midiSynth = new MidiSynth(); demos.add(midiSynth); tabPane.addTab("Midi Synthesizer", midiSynth); p = new JPanel(new BorderLayout()); p.setBorder(new CompoundBorder(cb,new EmptyBorder(0,0,5,20))); Groove groove = new Groove(); demos.add(groove); p.add(groove); tabPane.addTab("Groove Box", p); } public static void main(String[] args) { try { if (MidiSystem.getSequencer() == null) { System.err.println("MidiSystem Sequencer Unavailable, exiting!"); System.exit(1); } else if (AudioSystem.getMixer(null) == null) { System.err.println("AudioSystem Unavailable, exiting!"); System.exit(1); } } catch (Exception ex) { ex.printStackTrace(); System.exit(1); } String media = "./audio"; if (args.length > 0) { File file = new File(args[0]); if (file == null && !file.isDirectory()) { System.out.println("usage: java JavaSound audioDirectory"); } else { media = args[0]; } } final JavaSound demo = new JavaSound(media); JFrame f = new JFrame("Java Sound Demo"); f.addWindowListener(new WindowAdapter() { public void windowClosing(WindowEvent e) {System.exit(0);} public void windowDeiconified(WindowEvent e) { demo.open(); } public void windowIconified(WindowEvent e) { demo.close(); } }); f.getContentPane().add("Center", demo); f.pack(); Dimension d = Toolkit.getDefaultToolkit().getScreenSize(); f.setLocation(d.width/2 - demo.width/2, d.height/2 - demo.height/2); f.setSize(new Dimension(demo.width, demo.height)); f.setVisible(true); }}
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