下面列出了com.fasterxml.jackson.databind.ObjectMapper#enableDefaultTypingAsProperty ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
@Override
public ObjectMapper getContext(Class<?> type) {
// TypeResolver
SimpleAbstractTypeResolver abstractTypeResolver = new SimpleAbstractTypeResolver();
abstractTypeResolver.addMapping(List.class, ArrayList.class);
abstractTypeResolver.addMapping(Set.class, HashSet.class);
abstractTypeResolver.addMapping(Map.class, HashMap.class);
// Serializer
DefaultSerializerProvider serializerProvider = new DefaultSerializerProvider.Impl();
// Deserializer
DeserializerFactoryConfig deserializerFactoryConfig = new DeserializerFactoryConfig().withAbstractTypeResolver(abstractTypeResolver);
BeanDeserializerFactory deserializerFactory = new BeanDeserializerFactory(deserializerFactoryConfig);
DefaultDeserializationContext.Impl deserializationContext = new DefaultDeserializationContext.Impl(deserializerFactory);
// ObjectMapper
ObjectMapper objectMapper = new ObjectMapper(null, serializerProvider, deserializationContext);
objectMapper = objectMapper.enableDefaultTypingAsProperty(ObjectMapper.DefaultTyping.OBJECT_AND_NON_CONCRETE, "type");
objectMapper = objectMapper.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
objectMapper = objectMapper.disable(SerializationFeature.FAIL_ON_EMPTY_BEANS);
return objectMapper;
}
private ObjectMapper getObjectMapper() {
objectMapper = new ObjectMapper();
objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
objectMapper.configure(SerializationFeature.WRAP_ROOT_VALUE, false);
// objectMapper.configure(SerializationFeature.ORDER_MAP_ENTRIES_BY_KEYS,
// true);
objectMapper.configure(SerializationFeature.WRITE_NULL_MAP_VALUES, true);
objectMapper.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
objectMapper.configure(MapperFeature.SORT_PROPERTIES_ALPHABETICALLY, true);
objectMapper.enableDefaultTypingAsProperty(DefaultTyping.JAVA_LANG_OBJECT, "_typeName");
TypeResolverBuilder<?> joynrTypeResolverBuilder = objectMapper.getSerializationConfig()
.getDefaultTyper(SimpleType.construct(Object.class));
SimpleModule module = new SimpleModule("NonTypedModule", new Version(1, 0, 0, "", "", ""));
module.addSerializer(new JoynrEnumSerializer());
module.addSerializer(new JoynrListSerializer());
TypeDeserializer typeDeserializer = joynrTypeResolverBuilder.buildTypeDeserializer(objectMapper.getDeserializationConfig(),
SimpleType.construct(Object.class),
null);
module.addDeserializer(Object.class, new JoynrUntypedObjectDeserializer(typeDeserializer));
objectMapper.registerModule(module);
return objectMapper;
}
private ObjectMapper getObjectMapper() {
objectMapper = new ObjectMapper();
objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
objectMapper.configure(SerializationFeature.WRAP_ROOT_VALUE, false);
// objectMapper.configure(SerializationFeature.ORDER_MAP_ENTRIES_BY_KEYS,
// true);
objectMapper.configure(SerializationFeature.WRITE_NULL_MAP_VALUES, true);
objectMapper.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
objectMapper.configure(MapperFeature.SORT_PROPERTIES_ALPHABETICALLY, true);
objectMapper.enableDefaultTypingAsProperty(DefaultTyping.JAVA_LANG_OBJECT, "_typeName");
TypeResolverBuilder<?> joynrTypeResolverBuilder = objectMapper.getSerializationConfig()
.getDefaultTyper(SimpleType.construct(Object.class));
return objectMapper;
}
private static void provisionAccessControl(Properties properties, String domain) throws Exception {
ObjectMapper objectMapper = new ObjectMapper();
objectMapper.enableDefaultTypingAsProperty(DefaultTyping.JAVA_LANG_OBJECT, "_typeName");
MasterAccessControlEntry newMasterAccessControlEntry = new MasterAccessControlEntry("*",
domain,
ProviderAnnotations.getInterfaceName(MyGpsProvider.class),
TrustLevel.LOW,
new TrustLevel[]{
TrustLevel.LOW },
TrustLevel.LOW,
new TrustLevel[]{
TrustLevel.LOW },
"*",
Permission.YES,
new Permission[]{
Permission.YES });
MasterAccessControlEntry[] provisionedAccessControlEntries = { newMasterAccessControlEntry };
String provisionedAccessControlEntriesAsJson = objectMapper.writeValueAsString(provisionedAccessControlEntries);
properties.setProperty(StaticDomainAccessControlProvisioning.PROPERTY_PROVISIONED_MASTER_ACCESSCONTROLENTRIES,
provisionedAccessControlEntriesAsJson);
}
private static void provisionAccessControl(Properties properties, String domain) throws Exception {
ObjectMapper objectMapper = new ObjectMapper();
objectMapper.enableDefaultTypingAsProperty(DefaultTyping.JAVA_LANG_OBJECT, "_typeName");
MasterAccessControlEntry newMasterAccessControlEntry = new MasterAccessControlEntry("*",
domain,
ProviderAnnotations.getInterfaceName(MyRadioProvider.class),
TrustLevel.LOW,
new TrustLevel[]{
TrustLevel.LOW },
TrustLevel.LOW,
new TrustLevel[]{
TrustLevel.LOW },
"*",
Permission.YES,
new Permission[]{
Permission.YES });
MasterAccessControlEntry[] provisionedAccessControlEntries = { newMasterAccessControlEntry };
String provisionedAccessControlEntriesAsJson = objectMapper.writeValueAsString(provisionedAccessControlEntries);
properties.setProperty(StaticDomainAccessControlProvisioning.PROPERTY_PROVISIONED_MASTER_ACCESSCONTROLENTRIES,
provisionedAccessControlEntriesAsJson);
}
private static void provisionAccessControl(Properties properties, String domain) throws Exception {
ObjectMapper objectMapper = new ObjectMapper();
objectMapper.enableDefaultTypingAsProperty(DefaultTyping.JAVA_LANG_OBJECT, "_typeName");
MasterAccessControlEntry newMasterAccessControlEntry = new MasterAccessControlEntry("*",
domain,
ProviderAnnotations.getInterfaceName(IltProvider.class),
TrustLevel.LOW,
new TrustLevel[]{
TrustLevel.LOW },
TrustLevel.LOW,
new TrustLevel[]{
TrustLevel.LOW },
"*",
Permission.YES,
new Permission[]{
Permission.YES });
MasterAccessControlEntry[] provisionedAccessControlEntries = { newMasterAccessControlEntry };
String provisionedAccessControlEntriesAsJson = objectMapper.writeValueAsString(provisionedAccessControlEntries);
properties.setProperty(StaticDomainAccessControlProvisioning.PROPERTY_PROVISIONED_MASTER_ACCESSCONTROLENTRIES,
provisionedAccessControlEntriesAsJson);
}
private static Properties createAppConfig() throws Exception {
Properties appConfig = new Properties();
ObjectMapper objectMapper = new ObjectMapper();
objectMapper.enableDefaultTypingAsProperty(DefaultTyping.JAVA_LANG_OBJECT, "_typeName");
MasterAccessControlEntry newMasterAccessControlEntry = new MasterAccessControlEntry("*",
invocationParams.getDomain(),
ProviderAnnotations.getInterfaceName(EchoProviderImpl.class),
TrustLevel.LOW,
new TrustLevel[]{
TrustLevel.LOW },
TrustLevel.LOW,
new TrustLevel[]{
TrustLevel.LOW },
"*",
Permission.YES,
new Permission[]{
Permission.YES });
MasterAccessControlEntry[] provisionedAccessControlEntries = { newMasterAccessControlEntry };
String provisionedAccessControlEntriesAsJson = objectMapper.writeValueAsString(provisionedAccessControlEntries);
appConfig.setProperty(StaticDomainAccessControlProvisioning.PROPERTY_PROVISIONED_MASTER_ACCESSCONTROLENTRIES,
provisionedAccessControlEntriesAsJson);
return appConfig;
}
private static void provisionAccessControl(Properties properties, String domain) throws Exception {
ObjectMapper objectMapper = new ObjectMapper();
objectMapper.enableDefaultTypingAsProperty(DefaultTyping.JAVA_LANG_OBJECT, "_typeName");
MasterAccessControlEntry newMasterAccessControlEntry = new MasterAccessControlEntry("*",
domain,
ProviderAnnotations.getInterfaceName(Provider.class),
TrustLevel.LOW,
new TrustLevel[]{
TrustLevel.LOW },
TrustLevel.LOW,
new TrustLevel[]{
TrustLevel.LOW },
"*",
Permission.YES,
new Permission[]{
Permission.YES });
MasterAccessControlEntry[] provisionedAccessControlEntries = { newMasterAccessControlEntry };
String provisionedAccessControlEntriesAsJson = objectMapper.writeValueAsString(provisionedAccessControlEntries);
properties.setProperty(StaticDomainAccessControlProvisioning.PROPERTY_PROVISIONED_MASTER_ACCESSCONTROLENTRIES,
provisionedAccessControlEntriesAsJson);
}
@Test
public void testSerialization() throws JsonProcessingException, IOException {
Map<String, Object> properties = new LinkedHashMap<String, Object>() {{
put( "username", "bart" );
put( "email", "[email protected]" );
put( "block", new ArrayList<Object>() {{
add( new LinkedHashMap<String, Object>() {{ put("name", "fred"); }});
add( new LinkedHashMap<String, Object>() {{ put("name", "gertrude"); }});
add( new LinkedHashMap<String, Object>() {{ put("name", "mina"); }});
}});
put( "blockedBy", new ArrayList<Object>() {{
add( new LinkedHashMap<String, Object>() {{ put("name", "isabell"); }});
}});
put( "location", new LinkedHashMap<String, Object>() {{
put("latitude", 37.776753 );
put("longitude", -122.407846 );
}});
}};
org.apache.usergrid.persistence.model.entity.Entity entity =
new org.apache.usergrid.persistence.model.entity.Entity(
new SimpleId( "user" ) );
entity = CpEntityMapUtils.fromMap( entity, properties, null, true );
assertUserWithBlocks( entity );
ObjectMapper mapper = new ObjectMapper();
mapper.enable(SerializationFeature.INDENT_OUTPUT);
mapper.enableDefaultTypingAsProperty(ObjectMapper.DefaultTyping.JAVA_LANG_OBJECT, "@class");
String entityString = mapper.writeValueAsString( entity );
//log.debug("Serialized to JSON: " + entityString );
TypeReference<Entity> tr = new TypeReference<Entity>() {};
entity = mapper.readValue( entityString, tr );
//log.debug("Round-tripped entity: " + CpEntityMapUtils.toMap(entity) );
assertUserWithBlocks( entity );
}
public EntitySerializer() {
try {
mapper = new ObjectMapper( f );
// mapper.enable(SerializationFeature.INDENT_OUTPUT); don't indent output,
// causes slowness
mapper.enableDefaultTypingAsProperty( ObjectMapper.DefaultTyping.JAVA_LANG_OBJECT, "@class" );
}
catch ( Exception e ) {
throw new RuntimeException( "Error setting up mapper", e );
}
}
protected static void provisionPermissiveAccessControlEntry(String domain, String interfaceName) throws Exception {
ObjectMapper objectMapper = new ObjectMapper();
objectMapper.enableDefaultTypingAsProperty(DefaultTyping.JAVA_LANG_OBJECT, "_typeName");
List<MasterAccessControlEntry> provisionedAccessControlEntries = new ArrayList<MasterAccessControlEntry>();
String existingAccessControlEntriesJson = System.getProperty(StaticDomainAccessControlProvisioning.PROPERTY_PROVISIONED_MASTER_ACCESSCONTROLENTRIES);
if (existingAccessControlEntriesJson != null) {
provisionedAccessControlEntries.addAll(Arrays.asList(objectMapper.readValue(existingAccessControlEntriesJson,
MasterAccessControlEntry[].class)));
}
MasterAccessControlEntry newMasterAccessControlEntry = new MasterAccessControlEntry("*",
domain,
interfaceName,
TrustLevel.LOW,
new TrustLevel[]{
TrustLevel.LOW },
TrustLevel.LOW,
new TrustLevel[]{
TrustLevel.LOW },
"*",
Permission.YES,
new Permission[]{
Permission.YES });
provisionedAccessControlEntries.add(newMasterAccessControlEntry);
String provisionedAccessControlEntriesAsJson = objectMapper.writeValueAsString(provisionedAccessControlEntries.toArray());
System.setProperty(StaticDomainAccessControlProvisioning.PROPERTY_PROVISIONED_MASTER_ACCESSCONTROLENTRIES,
provisionedAccessControlEntriesAsJson);
}
private static String createJsonFor(String directoriesUrl) throws JsonProcessingException {
ObjectMapper objectMapper = new ObjectMapper();
objectMapper.enableDefaultTypingAsProperty(DefaultTyping.JAVA_LANG_OBJECT, "_typeName");
setObjectMapperOnCapabilitiesUtils(objectMapper);
String channelId = "discoverydirectory_channelid";
String participantId = "capabilitiesdirectory_participantid";
GlobalDiscoveryEntry discoveryEntry = CapabilityUtils.newGlobalDiscoveryEntry(new Version(0, 1),
"io.joynr",
GlobalCapabilitiesDirectory.INTERFACE_NAME,
participantId,
new ProviderQos(),
System.currentTimeMillis(),
Long.MAX_VALUE,
"",
new ChannelAddress(directoriesUrl,
channelId));
String accessParticipantId = "domainaccesscontroller_participantid";
GlobalDiscoveryEntry accessControlEntry = CapabilityUtils.newGlobalDiscoveryEntry(new Version(0, 1),
"io.joynr",
GlobalDomainAccessController.INTERFACE_NAME,
accessParticipantId,
new ProviderQos(),
System.currentTimeMillis(),
Long.MAX_VALUE,
"",
new InProcessAddress());
List<DiscoveryEntry> entries = new ArrayList<>();
entries.add(discoveryEntry);
entries.add(accessControlEntry);
return objectMapper.writeValueAsString(entries);
}
private void provisionAccessControl(Properties properties, String domain, String[] interfaceNames) {
ObjectMapper objectMapper = new ObjectMapper();
objectMapper.enableDefaultTypingAsProperty(DefaultTyping.JAVA_LANG_OBJECT, "_typeName");
List<MasterAccessControlEntry> allEntries = new ArrayList<>();
for (String interfaceName : interfaceNames) {
MasterAccessControlEntry newMasterAccessControlEntry = new MasterAccessControlEntry("*",
domain,
interfaceName,
TrustLevel.LOW,
new TrustLevel[]{
TrustLevel.LOW },
TrustLevel.LOW,
new TrustLevel[]{
TrustLevel.LOW },
"*",
Permission.YES,
new Permission[]{
joynr.infrastructure.DacTypes.Permission.YES });
allEntries.add(newMasterAccessControlEntry);
}
MasterAccessControlEntry[] provisionedAccessControlEntries = allEntries.toArray(new MasterAccessControlEntry[allEntries.size()]);
String provisionedAccessControlEntriesAsJson;
try {
provisionedAccessControlEntriesAsJson = objectMapper.writeValueAsString(provisionedAccessControlEntries);
properties.setProperty(StaticDomainAccessControlProvisioning.PROPERTY_PROVISIONED_MASTER_ACCESSCONTROLENTRIES,
provisionedAccessControlEntriesAsJson);
} catch (JsonProcessingException e) {
logger.error("Error parsing JSON.", e);
}
}
@Before
public void setUp() throws Exception {
objectMapper = new ObjectMapper();
objectMapper.enableDefaultTypingAsProperty(DefaultTyping.JAVA_LANG_OBJECT, "_typeName");
Field objectMapperField = CapabilityUtils.class.getDeclaredField("objectMapper");
objectMapperField.setAccessible(true);
objectMapperField.set(CapabilityUtils.class, objectMapper);
}
@Before
public void setUp() throws Exception {
ObjectMapper objectMapper = new ObjectMapper();
objectMapper.enableDefaultTypingAsProperty(DefaultTyping.JAVA_LANG_OBJECT, "_typeName");
Field objectMapperField = CapabilityUtils.class.getDeclaredField("objectMapper");
objectMapperField.setAccessible(true);
objectMapperField.set(CapabilityUtils.class, objectMapper);
}
public JsonMessageSerializerModule() {
objectMapper = new ObjectMapper();
objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
objectMapper.configure(SerializationFeature.WRAP_ROOT_VALUE, false);
objectMapper.configure(DeserializationFeature.USE_JAVA_ARRAY_FOR_JSON_ARRAY, true);
// objectMapper.configure(SerializationFeature.ORDER_MAP_ENTRIES_BY_KEYS, true);
objectMapper.configure(SerializationFeature.WRITE_NULL_MAP_VALUES, true);
objectMapper.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
objectMapper.configure(MapperFeature.SORT_PROPERTIES_ALPHABETICALLY, true);
objectMapper.enableDefaultTypingAsProperty(DefaultTyping.JAVA_LANG_OBJECT, "_typeName");
TypeResolverBuilder<?> joynrTypeResolverBuilder = objectMapper.getSerializationConfig()
.getDefaultTyper(SimpleType.construct(Object.class));
SimpleModule module = new SimpleModule("NonTypedModule", new Version(1, 0, 0, "", "", ""));
module.addSerializer(new JoynrEnumSerializer());
module.addSerializer(new JoynrListSerializer());
module.addSerializer(new JoynrArraySerializer());
TypeDeserializer typeDeserializer = joynrTypeResolverBuilder.buildTypeDeserializer(objectMapper.getDeserializationConfig(),
SimpleType.construct(Object.class),
null);
module.addDeserializer(Request.class, new RequestDeserializer(objectMapper));
module.addDeserializer(OneWayRequest.class, new OneWayRequestDeserializer(objectMapper));
module.addDeserializer(Object.class, new JoynrUntypedObjectDeserializer(typeDeserializer));
module.setMixInAnnotation(Throwable.class, ThrowableMixIn.class);
objectMapper.registerModule(module);
}
@Test
public void testNestedArraySerialization() throws JsonProcessingException, IOException {
/*** This tests example property input of
{
"nestedarray" : [ [ "fred" ] ]
}
****/
Map<String, Object> properties = new LinkedHashMap<String, Object>() {{
put( "nestedarray",
new ArrayList<ArrayList<String>>() {{
add(0, new ArrayList<String>() {{
add(0, "fred");
}});
}}
);
put( "block", new ArrayList<Object>() {{
add( new LinkedHashMap<String, Object>() {{ put("name", "fred"); }});
add( new LinkedHashMap<String, Object>() {{ put("name", "gertrude"); }});
add( new LinkedHashMap<String, Object>() {{ put("name", "mina"); }});
}});
}};
org.apache.usergrid.persistence.model.entity.Entity entity =
new org.apache.usergrid.persistence.model.entity.Entity(
new SimpleId( "user" ) );
entity = CpEntityMapUtils.fromMap( entity, properties, null, true );
assertUserWithBlocks( entity );
ObjectMapper mapper = new ObjectMapper();
mapper.enable(SerializationFeature.INDENT_OUTPUT);
mapper.enableDefaultTypingAsProperty(ObjectMapper.DefaultTyping.JAVA_LANG_OBJECT, "@class");
String entityString = mapper.writeValueAsString( entity );
//log.debug("Serialized to JSON: " + entityString );
TypeReference<Entity> tr = new TypeReference<Entity>() {};
entity = mapper.readValue( entityString, tr );
//log.debug("Round-tripped entity: " + CpEntityMapUtils.toMap(entity) );
assertUserWithBlocks( entity );
}
public SimpleFileBasedMessagePersister() {
objectMapper = new ObjectMapper();
objectMapper.enableDefaultTypingAsProperty(DefaultTyping.JAVA_LANG_OBJECT, "_typeName");
}