code: protected JsonToken handleBinary() throws IOException {
  		int size = _in.readInt();
  		byte subtype = _in.readByte();
  		Context ctx = getContext();
  		switch (subtype) {
  		case BsonConstants.SUBTYPE_BINARY_OLD:
  			int size2 = _in.readInt();
  			byte[] buf2 = new byte[size2];
  			_in.readFully(buf2);
  			ctx.value = buf2;
  			break;
  			
  		case BsonConstants.SUBTYPE_UUID:
  			long l1 = _in.readLong();
  			long l2 = _in.readLong();
  			ctx.value = new UUID(l1, l2);
  			break;
  			
  		default:
  			byte[] buf = new byte[size];
  			_in.readFully(buf);
  			ctx.value = buf;
  			break;
  		}
  		
  		return JsonToken.VALUE_EMBEDDED_OBJECT;
  	}
docs: Reads binary data from the input stream
  @return the json token read
  @throws IOException if an I/O error occurs