AiffFileWriter.java 文件源码

@Override
public int write(AudioInputStream stream, AudioFileFormat.Type fileType, OutputStream out) throws IOException {
    Objects.requireNonNull(stream);
    Objects.requireNonNull(fileType);
    Objects.requireNonNull(out);

    //$$fb the following check must come first ! Otherwise
    // the next frame length check may throw an IOException and
    // interrupt iterating File Writers. (see bug 4351296)

    // throws IllegalArgumentException if not supported
    AiffFileFormat aiffFileFormat = (AiffFileFormat)getAudioFileFormat(fileType, stream);

    // we must know the total data length to calculate the file length
    if( stream.getFrameLength() == AudioSystem.NOT_SPECIFIED ) {
        throw new IOException("stream length not specified");
    }

    return writeAiffFile(stream, aiffFileFormat, out);
}