public static byte[] toBlob(Persistable p) {
ByteArrayOutputStream bos = new ByteArrayOutputStream();
OutputStream out = bos;
try {
p.writeExternal(new DataOutputStream(out));
out.close();
} catch (IOException e1) {
e1.printStackTrace();
throw new RuntimeException("Failed to serialize externalizable for content values");
}
return bos.toByteArray();
}