我们需要定义测试需要的 MAP,定义 Map 的方法你可以在下面的测试程序中找到。
/**
* SerializationMap
*/
@Test
public void testMessagePackSerializationMap() {
byte[] bytes = new byte[0];
String uuid_a = UUID.randomUUID().toString();
String uuid_b = UUID.randomUUID().toString();
// Instantiate ObjectMapper for MessagePack
ObjectMapper objectMapper = new ObjectMapper(new MessagePackFactory());
Map<String, MessageData> map = new HashMap<>();
MessageData messageData = new MessageData();
// Element A in MAP
messageData.setUuid(UUID.randomUUID().toString());
messageData.setName("CWIKI.US - A");
map.put(uuid_a, messageData);
// Element B in MAP
messageData = new MessageData();
messageData.setUuid(UUID.randomUUID().toString());
messageData.setName("CWIKI.US - B");
map.put(uuid_b, messageData);
try {
// Serialize a Java object to byte array
bytes = objectMapper.writeValueAsBytes(map);
logger.debug("Length of Bytes: [{}]", bytes.length);
// Deserialize the byte array to a MAP
Map<String, MessageData> deserialized = objectMapper.readValue(bytes, new TypeReference<Map<String, MessageData>>() {
});
logger.debug("Deserialized MAP Count: [{}]", deserialized.size());
logger.debug("MAP index 0: [{}]", deserialized.get(uuid_a).getName());
assertEquals("CWIKI.US - A", deserialized.get(uuid_a).getName());
} catch (JsonProcessingException ex) {
logger.error("Serialize Error", ex);
} catch (IOException e) {
e.printStackTrace();
}
}
https://www.cwiki.us/display/Serialization/MessagePack+Jackson+Dataformat