Java Code Examples for com.fasterxml.jackson.databind.type.TypeFactory#defaultInstance()

@Parameterized.Parameters
public static Collection<Object[]> data() {
	TypeFactory typeFactory = TypeFactory.defaultInstance();

	return Arrays.asList(new Object[][]{
			// method, expected JavaTypes
			{ReflectionUtils.findMethod(Foo.class, "takeString", null),  // null indicates search by name
					new JavaType[]{typeFactory.constructType(String.class)}},
			{ReflectionUtils.findMethod(Foo.class, "takeNothing", null), new JavaType[]{}},
			{ReflectionUtils.findMethod(Foo.class, "takeStringList", null),
					new JavaType[]{typeFactory.constructCollectionType(List.class, String.class)}},
			{ReflectionUtils.findMethod(Foo.class, "takeIntegerList", null),
					new JavaType[]{typeFactory.constructCollectionType(List.class, Integer.class)}},
			{ReflectionUtils.findMethod(Foo.class, "takeLongList", null),
					new JavaType[]{typeFactory.constructCollectionType(List.class, Long.class)}},
			{ReflectionUtils.findMethod(Foo.class, "takeStringSet", null),
					new JavaType[]{typeFactory.constructCollectionType(Set.class, String.class)}},
			{ReflectionUtils.findMethod(Foo.class, "takeIntegerSet", null),
					new JavaType[]{typeFactory.constructCollectionType(Set.class, Integer.class)}},
			{ReflectionUtils.findMethod(Foo.class, "takeLongSet", null),
					new JavaType[]{typeFactory.constructCollectionType(Set.class, Long.class)}},
			{ReflectionUtils.findMethod(Foo.class, "takeStringAndInteger", null),
					new JavaType[]{typeFactory.constructType(String.class), typeFactory.constructType(Integer.class)}},
	});
}
 

<T> Map<String, T> loadProps(Class<?> clazz, Function<KvProperty, T> func) {
    ImmutableMap.Builder<String, T> b = ImmutableMap.builder();
    TypeFactory tf = TypeFactory.defaultInstance();
    while(clazz != null && !Object.class.equals(clazz)) {
        for(Field field: clazz.getDeclaredFields()) {
            KvMapping mapping = field.getAnnotation(KvMapping.class);
            if(mapping == null) {
                continue;
            }
            JavaType javaType;
            String typeStr = mapping.type();
            if(!typeStr.isEmpty()) {
                javaType = tf.constructFromCanonical(typeStr);
            } else {
                javaType = tf.constructType(field.getGenericType());
            }
            KvProperty property = new KvProperty(this, field.getName(), field, javaType);
            b.put(property.getKey(), func.apply(property));
        }
        clazz = clazz.getSuperclass();
    }
    return b.build();
}
 

@Override
public void init(JavaType baseType) {
  this.baseType = baseType;
  Class<?> baseClass = baseType.getRawClass();
  TypesEnum typesEnum = baseClass.getAnnotation(TypesEnum.class);
  while (baseClass != null && typesEnum == null) {
    baseClass = baseClass.getSuperclass();
    typesEnum = baseClass.getAnnotation(TypesEnum.class);
  }
  if (typesEnum == null) {
    throw new NullPointerException("Missing annotation TypesEnum on " + baseType.getRawClass());
  }
  SubTypeMapping mapping = new SubTypeMapping(typesEnum);
  TypeFactory defaultInstance = TypeFactory.defaultInstance();
  StringBuilder sb = new StringBuilder();
  for (Enum<?> e : mapping.getEnumConstants()) {
    String name = e.name();
    String className = mapping.getClassName(e);
    try {
      Class<?> c = Class.forName(className, false, this.getClass().getClassLoader());
      JavaType type = defaultInstance.uncheckedSimpleType(c);
      this.nameToType.put(name.toLowerCase(), type);
      this.typeToName.put(c, name);
      sb.append(name + " => " + c.getName() + "\n");
    } catch (ClassNotFoundException e1) {
      throw new RuntimeException(String.format(
          "class not found %s for enum value %s for base type %s",
          className, name, baseType
          ) , e1);
    }
  }
  this.description = sb.toString();
}
 

protected JavaType constructType(Object object) {
  TypeFactory typeFactory = TypeFactory.defaultInstance();

  if (object instanceof List && !((List<?>) object).isEmpty()) {
    List<?> list = (List<?>) object;
    Object firstElement = list.get(0);
    if (bindingsArePresent(list.getClass())) {
      final JavaType elementType = constructType(firstElement);
      return typeFactory.constructCollectionType(list.getClass(), elementType);
    }
  }
  return typeFactory.constructType(object.getClass());
}
 

@Before
public void setUp() {
    baseType = Mockito.mock(JavaType.class);
    typeFactory = TypeFactory.defaultInstance();

    resolver = new ClassAliasIdResolver(baseType, typeFactory, new HashMap<String, Class<?>>(), new HashMap<Class<?>, String>());
}
 

private static ObjectMapper getObjectMapper() {
	ObjectMapper om = new ObjectMapper();
	JaxbAnnotationIntrospector jai = new JaxbAnnotationIntrospector(TypeFactory.defaultInstance());
	om.setAnnotationIntrospector(jai);
	om.enable(SerializationFeature.INDENT_OUTPUT);
	return om;
}
 

private static ObjectMapper getObjectMapper() {
	ObjectMapper om = new ObjectMapper();
	JaxbAnnotationIntrospector jai = new JaxbAnnotationIntrospector(TypeFactory.defaultInstance());
	om.setAnnotationIntrospector(jai);
	om.enable(SerializationFeature.INDENT_OUTPUT);
	return om;
}
 

private static ObjectMapper getObjectMapper() {
	ObjectMapper om = new ObjectMapper();
	JaxbAnnotationIntrospector jai = new JaxbAnnotationIntrospector(TypeFactory.defaultInstance());
	om.setAnnotationIntrospector(jai);
	om.enable(SerializationFeature.INDENT_OUTPUT);
	return om;
}
 

public KAEntityCollectionFetcherTask(Class<T> type, String url) {
		this.url = url;
		TypeFactory f = TypeFactory.defaultInstance();
//		this.type = new TypeReference<List<T>>() {};
//		this.type = f.constructParametricType(ArrayList.class, type);
		this.type = f.constructCollectionType(ArrayList.class, type);
	}
 

/**
 * Create Jackson mapper with {@link JaxbAnnotationIntrospector}
 *
 * @return {@link com.fasterxml.jackson.databind.ObjectMapper}
 */
public static ObjectMapper createMapperWithJaxbAnnotationInspector() {
    ObjectMapper mapper = new ObjectMapper();
    AnnotationIntrospector annotationInspector = new JaxbAnnotationIntrospector(TypeFactory.defaultInstance());
    mapper.getSerializationConfig().with(annotationInspector);
    return mapper;
}
 

private List<Message> mapGetMessagesResponse(SearchResponse response) throws IOException {
    SearchHit[] hits = response.getHits().getHits();
    TypeFactory factory = TypeFactory.defaultInstance();
    MapType type = factory.constructMapType(HashMap.class, String.class, String.class);
    List<Message> messages = new ArrayList<>(hits.length);
    for (SearchHit hit : hits) {
        String source = hit.getSourceAsString();
        Map<String, String> mapSource = objectMapper.readValue(source, type);
        Message msg = new Message(mapSource.get("messageId"), mapSource.get("payload"), null);
        messages.add(msg);
    }
    return messages;
}
 

private List<Message> mapGetMessagesResponse(SearchResponse response) throws IOException {
    SearchHit[] hits = response.getHits().getHits();
    TypeFactory factory = TypeFactory.defaultInstance();
    MapType type = factory.constructMapType(HashMap.class, String.class, String.class);
    List<Message> messages = new ArrayList<>(hits.length);
    for (SearchHit hit : hits) {
        String source = hit.getSourceAsString();
        Map<String, String> mapSource = objectMapper.readValue(source, type);
        Message msg = new Message(mapSource.get("messageId"), mapSource.get("payload"), null);
        messages.add(msg);
    }
    return messages;
}
 

private List<Message> mapGetMessagesResponse(SearchResponse response) throws IOException {
    SearchHit[] hits = response.getHits().getHits();
    TypeFactory factory = TypeFactory.defaultInstance();
    MapType type = factory.constructMapType(HashMap.class, String.class, String.class);
    List<Message> messages = new ArrayList<>(hits.length);
    for (SearchHit hit : hits) {
        String source = hit.getSourceAsString();
        Map<String, String> mapSource = objectMapper.readValue(source, type);
        Message msg = new Message(mapSource.get("messageId"), mapSource.get("payload"), null);
        messages.add(msg);
    }
    return messages;
}
 

public static Map mapJsonToMap(String json, Class keyClass, Class valueClass) {
    Map map;
    TypeFactory t = TypeFactory.defaultInstance();
    try {
        map = OBJECT_MAPPER.readValue(json, t.constructMapType(HashMap.class, keyClass, valueClass));
    } catch (IOException e) {
        throw new IllegalArgumentException("The given string value: "
                + json + " cannot be transformed to Map<" + keyClass.getName() + ", " + valueClass.getName() + ">.");
    }
    return map;
}
 

public static List mapJsonToObjectList(String json, Class clazz) {
    List list;
    TypeFactory t = TypeFactory.defaultInstance();
    try {
        list = OBJECT_MAPPER.readValue(json, t.constructCollectionType(ArrayList.class, clazz));
    } catch (IOException e) {
        throw new IllegalArgumentException("The given string value: "
                + json + " cannot be transformed to List of " + clazz.getName());
    }

    return list;
}
 

protected JavaType constructType(Object object) {
  TypeFactory typeFactory = TypeFactory.defaultInstance();

  if (object instanceof List && !((List<?>) object).isEmpty()) {
    List<?> list = (List<?>) object;
    Object firstElement = list.get(0);
    if (bindingsArePresent(list.getClass())) {
      final JavaType elementType = constructType(firstElement);
      return typeFactory.constructCollectionType(list.getClass(), elementType);
    }
  }
  return typeFactory.constructType(object.getClass());
}
 

protected DummyTypeIdResolver() {
	super(SimpleType.constructUnsafe(Object.class), TypeFactory.defaultInstance(), BasicPolymorphicTypeValidator
		.builder().build());
}
 

private JavaType getJacksonType(final Type type) {

    final TypeFactory typeFactory = TypeFactory.defaultInstance();
    return typeFactory.constructType(type);
  }
 

private JavaType getJacksonType(final Type type) {
  final TypeFactory typeFactory = TypeFactory.defaultInstance();
  return typeFactory.constructType(type);
}
 

protected OpenEHRTypeNaming() {
    super(TypeFactory.defaultInstance().constructType(OpenEHRBase.class), TypeFactory.defaultInstance());
}