javax.sound.sampled.spi.MixerProvider Maven / Gradle / Ivy
/*
* Copyright (c) 1999, 2003, 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 javax.sound.sampled.spi;
import javax.sound.sampled.Mixer;
/**
* A provider or factory for a particular mixer type.
* This mechanism allows the implementation to determine
* how resources are managed in creation / management of
* a mixer.
*
* @author Kara Kytle
* @since 1.3
*/
public abstract class MixerProvider {
/**
* Indicates whether the mixer provider supports the mixer represented by
* the specified mixer info object.
*
* The full set of mixer info objects that represent the mixers supported
* by this {@code MixerProvider} may be obtained
* through the {@code getMixerInfo} method.
*
* @param info an info object that describes the mixer for which support is queried
* @return {@code true} if the specified mixer is supported,
* otherwise {@code false}
* @see #getMixerInfo()
*/
public boolean isMixerSupported(Mixer.Info info) {
Mixer.Info infos[] = getMixerInfo();
for(int i=0; i
* The {@code isMixerSupported} method returns {@code true}
* for all the info objects returned by this method.
* The corresponding mixer instances for the info objects
* are returned by the {@code getMixer} method.
*
* @return a set of mixer info objects
* @see #getMixer(Mixer.Info) getMixer(Mixer.Info)
* @see #isMixerSupported(Mixer.Info) isMixerSupported(Mixer.Info)
*/
public abstract Mixer.Info[] getMixerInfo();
/**
* Obtains an instance of the mixer represented by the info object.
*
* The full set of the mixer info objects that represent the mixers
* supported by this {@code MixerProvider} may be obtained
* through the {@code getMixerInfo} method.
* Use the {@code isMixerSupported} method to test whether
* this {@code MixerProvider} supports a particular mixer.
*
* @param info an info object that describes the desired mixer
* @return mixer instance
* @throws IllegalArgumentException if the info object specified does not
* match the info object for a mixer supported by this MixerProvider.
* @see #getMixerInfo()
* @see #isMixerSupported(Mixer.Info) isMixerSupported(Mixer.Info)
*/
public abstract Mixer getMixer(Mixer.Info info);
}