/*
* @(#)ContinuousAudioDataStream.java 1.7 95/08/12 Arthur van Hoff
*
* Copyright (c) 1994 Sun Microsystems, Inc. All Rights Reserved.
*
* Permission to use, copy, modify, and distribute this software
* and its documentation for NON-COMMERCIAL purposes and without
* fee is hereby granted provided that this copyright notice
* appears in all copies. Please refer to the file "copyright.html"
* for further important copyright and licensing information.
*
* SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF
* THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
* TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR
* ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
* DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.
*/
package sun.audio;
/**
* Create a continuous audio stream. This wraps a stream
* around an AudioData object, the stream is restarted
* at the beginning everytime the end is reached, thus
* creating continuous sound.<p>
* For example:
* <pre>
* AudioData data = AudioData.getAudioData(url);
* ContinuousAudioDataStream audiostream = new ContinuousAudioDataStream(data);
* AudioPlayer.player.start(audiostream);
* </pre>
*
* @see AudioPlayer
* @see AudioData
* @author Arthur van Hoff
* @version 1.7, 08/12/95
*/
public
class ContinuousAudioDataStream extends AudioDataStream {
/**
* Create a continuous stream of audio.
*/
public ContinuousAudioDataStream(AudioData data) {
super(data);
}
/**
* When reaching the EOF, rewind to the beginning.
*/
public int read() {
int c = super.read();
if (c == -1) {
reset();
c = super.read();
}
return c;
}
/**
* When reaching the EOF, rewind to the beginning.
*/
public int read(byte buf[], int pos, int len) {
int count = 0;
while (count < len) {
int n = super.read(buf, pos + count, len - count);
if (n >= 0) {
count += n;
} else {
reset();
}
}
return count;
}
}