/** The opposite operation of {@link #writePreamble(OutputStream)}. */
public static Capability read(InputStream is) throws IOException {
try {
ObjectInputStream ois = new ObjectInputStream(Mode.TEXT.wrap(is));
return (Capability) ois.readObject();
} catch (ClassNotFoundException e) {
throw (Error) new NoClassDefFoundError(e.getMessage()).initCause(e);
}
}
/** Writes out the capacity preamble. */
void writePreamble(OutputStream os) throws IOException {
os.write(PREAMBLE);
ObjectOutputStream oos = new ObjectOutputStream(Mode.TEXT.wrap(os));
oos.writeObject(this);
oos.flush();
}