public static byte[] serialize(VersionedObject versionedObject, int CRCBytes)
throws NotSerializableException {
FragmentedByteArray data =
new FragmentedByteArray(
Serializer.serializeObject(versionedObject.getCurrentVersion().toArrayList()));
Map<String, Serializable> attributes = versionedObject.serialize();
data.add(Serializer.serialize(attributes.size()));
for (Map.Entry<String, Serializable> entry : attributes.entrySet()) {
byte[] attributeName = Serializer.serialize(entry.getKey());
// find the type of the attributes
byte[] type;
byte[] attributeArray;
Object attribute = entry.getValue();
if (attribute instanceof String) {
type = STRING_TYPE;
attributeArray = Serializer.serialize((String) attribute);
} else if (attribute instanceof Boolean || attribute == null) {
// null value are serialized as a null Boolean
type = BOOLEAN_TYPE;
attributeArray = Serializer.serialize((Boolean) attribute);
} else if (attribute instanceof Byte) {
type = BYTE_TYPE;
attributeArray = Serializer.serialize((Byte) attribute);
} else if (attribute instanceof Short) {
type = SHORT_TYPE;
attributeArray = Serializer.serialize((Short) attribute);
} else if (attribute instanceof Integer) {
type = INTEGER_TYPE;
attributeArray = Serializer.serialize((Integer) attribute);
} else if (attribute instanceof Long) {
type = LONG_TYPE;
attributeArray = Serializer.serialize((Long) attribute);
} else if (attribute instanceof Float) {
type = FLOAT_TYPE;
attributeArray = Serializer.serialize((Float) attribute);
} else if (attribute instanceof Double) {
type = DOUBLE_TYPE;
attributeArray = Serializer.serialize((Double) attribute);
} else if (attribute instanceof Enum<?>) {
type = ENUM_TYPE;
attributeArray =
Serializer.addArrays(
Serializer.serialize(attribute.getClass().getName()),
Serializer.serialize((Enum) attribute));
} else if (attribute instanceof byte[]) {
type = BYTE_ARRAY_TYPE;
attributeArray = Serializer.serialize((byte[]) attribute);
} else {
type = SERIALIZABLE_TYPE;
attributeArray = Serializer.serializeObject((Serializable) attribute);
}
data.add(attributeName, type, attributeArray).generateArray();
}
return CRC.addCRC(data.generateArray(), CRCBytes, true);
}
public static void deserialize(VersionedObject versionedObject, byte[] data, MutableOffset offset)
throws VersionedSerializationException {
VersionStack versionStack = null;
Map<String, Object> attributes = new HashMap<>();
try {
data = CRC.extractDataWithCRC(data, offset);
MutableOffset dataOffset = new MutableOffset();
versionStack =
new VersionStack((ArrayList<String>) Serializer.deserializeObject(data, dataOffset));
int attributeCount = Serializer.deserializeIntValue(data, dataOffset);
for (int i = 0; i < attributeCount; i++) {
String attributeName = Serializer.deserializeString(data, dataOffset);
String type = Serializer.deserializeString(data, dataOffset);
if (type == null) {
throw new RuntimeException();
}
switch (type) {
case "String":
attributes.put(attributeName, Serializer.deserializeString(data, dataOffset));
break;
case "Boolean":
attributes.put(attributeName, Serializer.deserializeBoolean(data, dataOffset));
break;
case "Byte":
attributes.put(attributeName, Serializer.deserializeByte(data, dataOffset));
break;
case "Short":
attributes.put(attributeName, Serializer.deserializeShort(data, dataOffset));
break;
case "Integer":
attributes.put(attributeName, Serializer.deserializeInt(data, dataOffset));
break;
case "Long":
attributes.put(attributeName, Serializer.deserializeLong(data, dataOffset));
break;
case "Float":
attributes.put(attributeName, Serializer.deserializeFloat(data, dataOffset));
break;
case "Double":
attributes.put(attributeName, Serializer.deserializeDouble(data, dataOffset));
break;
case "Enum":
String enumType = Serializer.deserializeString(data, dataOffset);
Class enumClass = Class.forName(enumType);
attributes.put(attributeName, Serializer.deserializeEnum(enumClass, data, dataOffset));
break;
case "ByteArray":
attributes.put(attributeName, Serializer.deserializeBytes(data, dataOffset));
break;
case "Serializable":
attributes.put(attributeName, Serializer.deserializeObject(data, dataOffset));
break;
default:
// the VersionedObjectSerializer failed when deserializing the byte array
throw new RuntimeException("Unexpected type: " + type);
}
}
versionedObject.deserialize(versionStack.retrieveVersion(), attributes, versionStack);
} catch (RuntimeException e) {
throw new VersionedSerializationException(
versionStack, attributes, VersionedSerializationException.Reason.INCORRECT_DATA);
} catch (UnrecognizedVersionException e) {
throw new VersionedSerializationException(
versionStack, attributes, VersionedSerializationException.Reason.UNRECOGNIZED_VERSION);
} catch (ClassNotFoundException e) {
throw new VersionedSerializationException(
versionStack, attributes, VersionedSerializationException.Reason.CLASS_NOT_FOUND);
} catch (CRCMismatchException e) {
throw new VersionedSerializationException(
null, attributes, VersionedSerializationException.Reason.CRC_MISMATCH);
}
}