/*

 * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code 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 General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

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

 */

public final class ContinuousAudioDataStream extends AudioDataStream {

    /**

         * Create a continuous stream of audio.

         */

        public ContinuousAudioDataStream(AudioData data) {

            super(data);

        }

        public int read() {

            int i = super.read();

            if (i == -1) {

                reset();

                i = super.read();

            }

            return i;

        }

        public int read(byte ab[], int i1, int j) {

            int k;

            for (k = 0; k < j; ) {

                int i2 = super.read(ab, i1 + k, j - k);

                if (i2 >= 0) k += i2;

                else reset();

            }

            return k;

        }

    }