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// Copyright (C) 2001-2003 Jon A. Maxwell (JAM)
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
package net.sourceforge.jnlp.runtime;
import java.net.*;
import java.applet.*;
import javax.sound.sampled.*;
// based on Deane Richan's AppletAudioClip
/**
* An applet audio clip using the javax.sound API.
*
* @author <a href="mailto:jmaxwell@users.sourceforge.net">Jon A. Maxwell (JAM)</a> - initial author
* @version $Revision: 1.8 $
*/
public class AppletAudioClip implements AudioClip {
/** the clip */
private Clip clip;
/**
* Creates new AudioClip. If the clip cannot be opened no
* exception is thrown, instead the methods of the AudioClip
* return without performing any operations.
*
* @param location the clip location
*/
public AppletAudioClip(URL location) {
try {
AudioInputStream stream = AudioSystem.getAudioInputStream(location);
clip = (Clip) AudioSystem.getLine(new Line.Info(Clip.class));
clip.open(stream);
} catch (Exception ex) {
System.err.println("Error loading sound:" + location.toString());
clip = null;
}
}
/**
* Plays the clip in a continuous loop until the stop method is
* called.
*/
public void loop() {
if (clip == null)
return;
clip.loop(Clip.LOOP_CONTINUOUSLY);
}
/**
* Plays the clip from the beginning.
*/
public void play() {
if (clip == null)
return;
// applet audio clip resets to beginning when played again
clip.stop();
clip.setFramePosition(0);
clip.start();
}
/**
* Stops playing the clip.
*/
public void stop() {
if (clip == null)
return;
clip.stop();
}
/**
* Stops playing the clip and disposes it; the clip cannot be
* played after being disposed.
*/
void dispose() {
if (clip != null) {
clip.stop();
clip.flush();
clip.close();
}
clip = null;
}
}
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