1 /* 2 * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package sun.audio; 27 28 /** 29 * Create a continuous audio stream. This wraps a stream 30 * around an AudioData object, the stream is restarted 31 * at the beginning everytime the end is reached, thus 32 * creating continuous sound.<p> 33 * For example: 34 * <pre> 35 * AudioData data = AudioData.getAudioData(url); 36 * ContinuousAudioDataStream audiostream = new ContinuousAudioDataStream(data); 37 * AudioPlayer.player.start(audiostream); 38 * </pre> 39 * 40 * @see AudioPlayer 41 * @see AudioData 42 * @author Arthur van Hoff 43 */ 44 45 public final class ContinuousAudioDataStream extends AudioDataStream { 46 47 48 /** 49 * Create a continuous stream of audio. 50 */ 51 public ContinuousAudioDataStream(AudioData data) { 52 53 super(data); 54 } 55 56 57 public int read() { 58 59 int i = super.read(); 60 61 if (i == -1) { 62 reset(); 63 i = super.read(); 64 } 65 66 return i; 67 } 68 69 70 public int read(byte ab[], int i1, int j) { 71 72 int k; 73 74 for (k = 0; k < j; ) { 75 int i2 = super.read(ab, i1 + k, j - k); 76 if (i2 >= 0) k += i2; 77 else reset(); 78 } 79 80 return k; 81 } 82 }