public void open(Metadata metadata) throws IOException {
checkNotNull(metadata, "metadata must not be null");
checkState(metadata.encoding().equalsIgnoreCase("MP3"), "source must be MP3-encoded");
public void open(Metadata metadata) throws IOException {
checkNotNull(metadata, "metadata must not be null");
checkState(metadata.encoding().equalsIgnoreCase("MP3"), "source must be MP3-encoded");