/**
* Encodes given object to a byte array and returns flags that describe the type of serialized
* object.
*
* @param obj Object to serialize.
* @param out Output stream to which object should be written.
* @return Serialization flags.
* @throws GridException If JDK serialization failed.
*/
private int encodeObj(Object obj, ByteArrayOutputStream out) throws GridException {
int flags = 0;
byte[] data = null;
if (obj instanceof String) {
data = ((String) obj).getBytes();
} else if (obj instanceof Boolean) {
data = new byte[] {(byte) ((Boolean) obj ? '1' : '0')};
flags |= BOOLEAN_FLAG;
} else if (obj instanceof Integer) {
data = U.intToBytes((Integer) obj);
flags |= INT_FLAG;
} else if (obj instanceof Long) {
data = U.longToBytes((Long) obj);
flags |= LONG_FLAG;
} else if (obj instanceof Date) {
data = U.longToBytes(((Date) obj).getTime());
flags |= DATE_FLAG;
} else if (obj instanceof Byte) {
data = new byte[] {(Byte) obj};
flags |= BYTE_FLAG;
} else if (obj instanceof Float) {
data = U.intToBytes(Float.floatToIntBits((Float) obj));
flags |= FLOAT_FLAG;
} else if (obj instanceof Double) {
data = U.longToBytes(Double.doubleToLongBits((Double) obj));
flags |= DOUBLE_FLAG;
} else if (obj instanceof byte[]) {
data = (byte[]) obj;
flags |= BYTE_ARR_FLAG;
} else {
jdkMarshaller.marshal(obj, out);
flags |= SERIALIZED_FLAG;
}
if (data != null) out.write(data, 0, data.length);
return flags;
}
/** {@inheritDoc} */
@Override
public ByteBuffer encode(GridNioSession ses, GridClientMessage msg)
throws IOException, GridException {
assert msg != null;
if (msg instanceof GridTcpRestPacket) return encodeMemcache((GridTcpRestPacket) msg);
else if (msg == PING_MESSAGE) return ByteBuffer.wrap(PING_PACKET);
else {
byte[] data = marshaller.marshal(msg);
assert data.length > 0;
ByteBuffer res = ByteBuffer.allocate(data.length + 5);
res.put(GRIDGAIN_REQ_FLAG);
res.put(U.intToBytes(data.length));
res.put(data);
res.flip();
return res;
}
}