/** 设置转换日期类型的format pattern,如果不设置默认打印Timestamp毫秒数. */
public void setDateFormat(String pattern) {
if (StringUtils.isNotBlank(pattern)) {
DateFormat df = new SimpleDateFormat(pattern);
mapper.getSerializationConfig().setDateFormat(df);
mapper.getDeserializationConfig().setDateFormat(df);
}
}
public static <T> T getObject(String s, Class<T> clazz) throws IOException {
ObjectMapper mapper = new ObjectMapper();
// 跳过未知(无对应)的属性
mapper.getDeserializationConfig().disable(Feature.FAIL_ON_UNKNOWN_PROPERTIES);
T obj = mapper.readValue(s, clazz);
return obj;
}
@Test
public void should_init_default_object_factory_mapper() throws Exception {
doCallRealMethod().when(extractor).initObjectMapperFactory(configMap);
ObjectMapperFactory actual = extractor.initObjectMapperFactory(configMap);
assertThat(actual).isNotNull();
ObjectMapper mapper = actual.getMapper(Integer.class);
assertThat(mapper).isNotNull();
assertThat(mapper.getSerializationConfig().getSerializationInclusion())
.isEqualTo(Inclusion.NON_NULL);
assertThat(
mapper
.getDeserializationConfig()
.isEnabled(DeserializationConfig.Feature.FAIL_ON_UNKNOWN_PROPERTIES))
.isFalse();
Collection<AnnotationIntrospector> ais =
mapper.getSerializationConfig().getAnnotationIntrospector().allIntrospectors();
assertThat(ais).hasSize(2);
Iterator<AnnotationIntrospector> iterator = ais.iterator();
assertThat(iterator.next())
.isInstanceOfAny(JacksonAnnotationIntrospector.class, JaxbAnnotationIntrospector.class);
assertThat(iterator.next())
.isInstanceOfAny(JacksonAnnotationIntrospector.class, JaxbAnnotationIntrospector.class);
}
public static <T> List<T> getObjects(String s, Class<?> T) throws IOException {
ObjectMapper mapper = new ObjectMapper();
mapper
.getDeserializationConfig()
.disable(DeserializationConfig.Feature.FAIL_ON_UNKNOWN_PROPERTIES);
List<T> list = mapper.readValue(s, new TypeReference<List<T>>() {});
return list;
}
public JpaPortalEventStore() {
mapper = new ObjectMapper();
final AnnotationIntrospector pair =
new AnnotationIntrospector.Pair(
new JacksonAnnotationIntrospector(), new JaxbAnnotationIntrospector());
mapper.getDeserializationConfig().withAnnotationIntrospector(pair);
mapper.getSerializationConfig().withAnnotationIntrospector(pair);
}
public JsonBinder(Inclusion inclusion) {
mapper = new ObjectMapper();
// 设置输出包含的属性
mapper.getSerializationConfig().setSerializationInclusion(inclusion);
// 设置输入时忽略JSON字符串中存在而Java对象实际没有的属性
mapper
.getDeserializationConfig()
.set(
org.codehaus.jackson.map.DeserializationConfig.Feature.FAIL_ON_UNKNOWN_PROPERTIES,
false);
}
@Override
public ObjectMapper get() {
ObjectMapper objectMapper = new ObjectMapper();
// ignore unknown fields (for backwards compatibility)
objectMapper.getDeserializationConfig().disable(FAIL_ON_UNKNOWN_PROPERTIES);
// use ISO dates
objectMapper.getSerializationConfig().disable(WRITE_DATES_AS_TIMESTAMPS);
// skip fields that are null instead of writing an explicit json null value
objectMapper.getSerializationConfig().setSerializationInclusion(NON_NULL);
// disable auto detection of json properties... all properties must be explicit
objectMapper
.getDeserializationConfig()
.disable(DeserializationConfig.Feature.AUTO_DETECT_FIELDS);
objectMapper.getDeserializationConfig().disable(AUTO_DETECT_SETTERS);
objectMapper.getSerializationConfig().disable(SerializationConfig.Feature.AUTO_DETECT_FIELDS);
objectMapper.getSerializationConfig().disable(AUTO_DETECT_GETTERS);
objectMapper.getSerializationConfig().disable(AUTO_DETECT_IS_GETTERS);
if (jsonSerializers != null || jsonDeserializers != null) {
SimpleModule module = new SimpleModule(getClass().getName(), new Version(1, 0, 0, null));
if (jsonSerializers != null) {
for (Entry<Class<?>, JsonSerializer<?>> entry : jsonSerializers.entrySet()) {
addSerializer(module, entry.getKey(), entry.getValue());
}
}
if (jsonDeserializers != null) {
for (Entry<Class<?>, JsonDeserializer<?>> entry : jsonDeserializers.entrySet()) {
addDeserializer(module, entry.getKey(), entry.getValue());
}
}
objectMapper.registerModule(module);
}
return objectMapper;
}
protected TypeNameIdResolver createTypeNameIdResolver(boolean forSerialization) {
Collection<NamedType> subtypes = new ArrayList<NamedType>();
subtypes.add(new NamedType(MapHolder.class, "mapHolder"));
subtypes.add(new NamedType(ArrayList.class, "AList"));
subtypes.add(new NamedType(HashMap.class, "HMap"));
ObjectMapper mapper = new ObjectMapper();
return TypeNameIdResolver.construct(
mapper.getDeserializationConfig(),
TypeFactory.defaultInstance().constructType(Object.class),
subtypes,
forSerialization,
!forSerialization);
}
@Override
public void render(Map<String, ?> map, HttpServletRequest req, HttpServletResponse resp)
throws Exception {
AnnotationIntrospector introspector = new JaxbAnnotationIntrospector();
mapper.getDeserializationConfig().setAnnotationIntrospector(introspector);
mapper.getSerializationConfig().setAnnotationIntrospector(introspector);
// resp.setHeader("Content-Type", "text/html; charset=UTF-8"); // "application/json");
JsonGenerator generator =
mapper.getJsonFactory().createJsonGenerator(resp.getOutputStream(), JsonEncoding.UTF8);
ObjectNode json = mapper.valueToTree(map);
// json.put("success", true);
mapper.writeTree(generator, json);
// mapper.writeValue(generator, ret);
generator.flush();
}
@Override
public void processPacket(Stanza packet) throws NotConnectedException {
try {
if (packet instanceof Message) {
Message msg = (Message) packet;
logger.info("Task message received from => {}, body => {}", msg.getFrom(), msg.getBody());
ObjectMapper mapper = new ObjectMapper();
mapper.getDeserializationConfig().setDateFormat(new SimpleDateFormat("dd-MM-yyyy HH:mm"));
final TaskNotification task = mapper.readValue(msg.getBody(), TaskNotification.class);
// Notify related plug-in
eventBroker.post(LiderConstants.EVENT_TOPICS.TASK_NOTIFICATION_RECEIVED, task);
}
} catch (Exception e) {
logger.error(e.getMessage(), e);
}
}
@Test
public void auditServiceTestJSON()
throws WebApplicationException, IOException, JsonParseException {
deleteIfExists(JsonTestOutputFile);
DummyAuditLogRetriever dbAuditLogRetriever = new DummyAuditLogRetriever();
AuditService auditResource = new AuditService();
auditResource.setAuditLogRetriever(dbAuditLogRetriever);
DummyHttpHeaders header = new DummyHttpHeaders(MediaType.APPLICATION_JSON_TYPE);
Response r = auditResource.getAuditLogs("2012-08-08T00", "en_US", header);
Assert.assertNotNull(r);
Assert.assertEquals(Status.OK.getStatusCode(), r.getStatus());
Assert.assertTrue(r.getEntity() instanceof StreamingOutput);
StreamingOutput so = (StreamingOutput) r.getEntity();
File of = new File(JsonTestOutputFile);
OutputStream os = new FileOutputStream(of);
so.write(os);
os.close();
ObjectMapper mapper = null;
mapper = new ObjectMapper();
AnnotationIntrospector introspector = new JaxbAnnotationIntrospector();
mapper.getDeserializationConfig().withAnnotationIntrospector(introspector);
AuditLogs auditLogs = mapper.readValue(new File(JsonTestOutputFile), AuditLogs.class);
Assert.assertEquals(100, auditLogs.auditLogs.size());
deleteIfExists(JsonTestOutputFile);
}
