AudioSystem.java 文件源码

/** Return a MixerProvider of a given class from the list of
    MixerProviders.

    This method never requires the returned Mixer to do mixing.
    @param providerClassName The class name of the provider to be returned.
    @param providers The list of MixerProviders that is searched.
    @return A MixerProvider of the requested class, or null if none is
    found.
 */
private static MixerProvider getNamedProvider(String providerClassName,
                                              List providers) {
    for(int i = 0; i < providers.size(); i++) {
        MixerProvider provider = (MixerProvider) providers.get(i);
        if (provider.getClass().getName().equals(providerClassName)) {
            return provider;
        }
    }
    return null;
}