christophedelory.playlist.smil.ExclusiveTimingElement Maven / Gradle / Ivy

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Multimedia playlist parser, supporting a wide range of playlist file formats.

There is a newer version: 4.1.1

/*
 * Copyright (c) 2008, Christophe Delory
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *   * Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY CHRISTOPHE DELORY ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL CHRISTOPHE DELORY BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package christophedelory.playlist.smil;

/**
 * Defines a time container with semantics based upon par,
 * but with the additional constraint that only one child element may play at any given time.
 * If any element begins playing while another is already playing, the element that was playing is stopped.
 * More clearly, this time container is used to define a mutually exclusive set of clips,
 * and to describe pausing and resuming behaviors among these clips.
 * @version $Revision: 90 $
 * @author Christophe Delory
 * @castor.class xml="excl"
 */
public class ExclusiveTimingElement extends AbstractTimingElement
{
    @Override
    public void acceptDown(final SmilVisitor visitor)
    {
        visitor.beginVisitExclTimingElement(this); // Throws NullPointerException if visitor is null.

        super.acceptDown(visitor);

        visitor.endVisitExclTimingElement(this);
    }
}