Examples with ClassSerializer com.fasterxml.jackson.databind.ser.std.ClassSerializer used on opensource projects

Example 1 with ClassSerializer

use of com.fasterxml.jackson.databind.ser.std.ClassSerializer in project spring-framework by spring-projects.

the class Jackson2ObjectMapperBuilderTests method completeSetup.

@Test
void completeSetup() throws JsonMappingException {
    NopAnnotationIntrospector introspector = NopAnnotationIntrospector.instance;
    Map<Class<?>, JsonDeserializer<?>> deserializerMap = new HashMap<>();
    JsonDeserializer<Date> deserializer = new DateDeserializers.DateDeserializer();
    deserializerMap.put(Date.class, deserializer);
    JsonSerializer<Class<?>> serializer1 = new ClassSerializer();
    JsonSerializer<Number> serializer2 = new NumberSerializer(Integer.class);
    Jackson2ObjectMapperBuilder builder = Jackson2ObjectMapperBuilder.json().modules(// Disable well-known modules detection
    new ArrayList<>()).serializers(serializer1).serializersByType(Collections.singletonMap(Boolean.class, serializer2)).deserializersByType(deserializerMap).annotationIntrospector(introspector).annotationIntrospector(current -> AnnotationIntrospector.pair(current, introspector)).featuresToEnable(SerializationFeature.FAIL_ON_EMPTY_BEANS, DeserializationFeature.UNWRAP_ROOT_VALUE, JsonParser.Feature.ALLOW_BACKSLASH_ESCAPING_ANY_CHARACTER, JsonGenerator.Feature.WRITE_NUMBERS_AS_STRINGS).featuresToDisable(MapperFeature.AUTO_DETECT_GETTERS, MapperFeature.AUTO_DETECT_FIELDS, JsonParser.Feature.AUTO_CLOSE_SOURCE, JsonGenerator.Feature.QUOTE_FIELD_NAMES).serializationInclusion(JsonInclude.Include.NON_NULL);
    ObjectMapper mapper = new ObjectMapper();
    builder.configure(mapper);
    assertThat(getSerializerFactoryConfig(mapper).hasSerializers()).isTrue();
    assertThat(getDeserializerFactoryConfig(mapper).hasDeserializers()).isTrue();
    Serializers serializers = getSerializerFactoryConfig(mapper).serializers().iterator().next();
    assertThat(serializers.findSerializer(null, SimpleType.construct(Class.class), null)).isSameAs(serializer1);
    assertThat(serializers.findSerializer(null, SimpleType.construct(Boolean.class), null)).isSameAs(serializer2);
    assertThat(serializers.findSerializer(null, SimpleType.construct(Number.class), null)).isNull();
    Deserializers deserializers = getDeserializerFactoryConfig(mapper).deserializers().iterator().next();
    assertThat(deserializers.findBeanDeserializer(SimpleType.construct(Date.class), null, null)).isSameAs(deserializer);
    AnnotationIntrospectorPair pair1 = (AnnotationIntrospectorPair) mapper.getSerializationConfig().getAnnotationIntrospector();
    AnnotationIntrospectorPair pair2 = (AnnotationIntrospectorPair) mapper.getDeserializationConfig().getAnnotationIntrospector();
    assertThat(pair1.allIntrospectors()).containsExactly(introspector, introspector);
    assertThat(pair2.allIntrospectors()).containsExactly(introspector, introspector);
    assertThat(mapper.getSerializationConfig().isEnabled(SerializationFeature.FAIL_ON_EMPTY_BEANS)).isTrue();
    assertThat(mapper.getDeserializationConfig().isEnabled(DeserializationFeature.UNWRAP_ROOT_VALUE)).isTrue();
    assertThat(mapper.getFactory().isEnabled(JsonParser.Feature.ALLOW_BACKSLASH_ESCAPING_ANY_CHARACTER)).isTrue();
    assertThat(mapper.getFactory().isEnabled(JsonGenerator.Feature.WRITE_NUMBERS_AS_STRINGS)).isTrue();
    assertThat(mapper.getSerializationConfig().isEnabled(MapperFeature.AUTO_DETECT_GETTERS)).isFalse();
    assertThat(mapper.getDeserializationConfig().isEnabled(MapperFeature.DEFAULT_VIEW_INCLUSION)).isFalse();
    assertThat(mapper.getDeserializationConfig().isEnabled(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES)).isFalse();
    assertThat(mapper.getDeserializationConfig().isEnabled(MapperFeature.AUTO_DETECT_FIELDS)).isFalse();
    assertThat(mapper.getFactory().isEnabled(JsonParser.Feature.AUTO_CLOSE_SOURCE)).isFalse();
    assertThat(mapper.getFactory().isEnabled(JsonGenerator.Feature.QUOTE_FIELD_NAMES)).isFalse();
    assertThat(mapper.getSerializationConfig().getSerializationInclusion()).isSameAs(JsonInclude.Include.NON_NULL);
}

Example 2 with ClassSerializer

use of com.fasterxml.jackson.databind.ser.std.ClassSerializer in project spring-framework by spring-projects.

the class Jackson2ObjectMapperFactoryBeanTests method completeSetup.

@Test
public void completeSetup() {
    NopAnnotationIntrospector annotationIntrospector = NopAnnotationIntrospector.instance;
    ObjectMapper objectMapper = new ObjectMapper();
    this.factory.setObjectMapper(objectMapper);
    assertThat(this.factory.isSingleton()).isTrue();
    assertThat(this.factory.getObjectType()).isEqualTo(ObjectMapper.class);
    Map<Class<?>, JsonDeserializer<?>> deserializers = new HashMap<>();
    deserializers.put(Date.class, new DateDeserializer());
    JsonSerializer<Class<?>> serializer1 = new ClassSerializer();
    JsonSerializer<Number> serializer2 = new NumberSerializer(Integer.class);
    // Disable well-known modules detection
    this.factory.setModules(new ArrayList<>());
    this.factory.setSerializers(serializer1);
    this.factory.setSerializersByType(Collections.singletonMap(Boolean.class, serializer2));
    this.factory.setDeserializersByType(deserializers);
    this.factory.setAnnotationIntrospector(annotationIntrospector);
    this.factory.setFeaturesToEnable(SerializationFeature.FAIL_ON_EMPTY_BEANS, DeserializationFeature.UNWRAP_ROOT_VALUE, JsonParser.Feature.ALLOW_BACKSLASH_ESCAPING_ANY_CHARACTER, JsonGenerator.Feature.WRITE_NUMBERS_AS_STRINGS);
    this.factory.setFeaturesToDisable(MapperFeature.AUTO_DETECT_GETTERS, MapperFeature.AUTO_DETECT_FIELDS, JsonParser.Feature.AUTO_CLOSE_SOURCE, JsonGenerator.Feature.QUOTE_FIELD_NAMES);
    assertThat(getSerializerFactoryConfig(objectMapper).hasSerializers()).isFalse();
    assertThat(getDeserializerFactoryConfig(objectMapper).hasDeserializers()).isFalse();
    this.factory.setSerializationInclusion(Include.NON_NULL);
    this.factory.afterPropertiesSet();
    assertThat(this.factory.getObject()).isSameAs(objectMapper);
    assertThat(getSerializerFactoryConfig(objectMapper).hasSerializers()).isTrue();
    assertThat(getDeserializerFactoryConfig(objectMapper).hasDeserializers()).isTrue();
    Serializers serializers = getSerializerFactoryConfig(objectMapper).serializers().iterator().next();
    assertThat(serializers.findSerializer(null, SimpleType.construct(Class.class), null)).isSameAs(serializer1);
    assertThat(serializers.findSerializer(null, SimpleType.construct(Boolean.class), null)).isSameAs(serializer2);
    assertThat(serializers.findSerializer(null, SimpleType.construct(Number.class), null)).isNull();
    assertThat(objectMapper.getSerializationConfig().getAnnotationIntrospector()).isSameAs(annotationIntrospector);
    assertThat(objectMapper.getDeserializationConfig().getAnnotationIntrospector()).isSameAs(annotationIntrospector);
    assertThat(objectMapper.getSerializationConfig().isEnabled(SerializationFeature.FAIL_ON_EMPTY_BEANS)).isTrue();
    assertThat(objectMapper.getDeserializationConfig().isEnabled(DeserializationFeature.UNWRAP_ROOT_VALUE)).isTrue();
    assertThat(objectMapper.getFactory().isEnabled(JsonParser.Feature.ALLOW_BACKSLASH_ESCAPING_ANY_CHARACTER)).isTrue();
    assertThat(objectMapper.getFactory().isEnabled(JsonGenerator.Feature.WRITE_NUMBERS_AS_STRINGS)).isTrue();
    assertThat(objectMapper.getSerializationConfig().isEnabled(MapperFeature.AUTO_DETECT_GETTERS)).isFalse();
    assertThat(objectMapper.getDeserializationConfig().isEnabled(MapperFeature.DEFAULT_VIEW_INCLUSION)).isFalse();
    assertThat(objectMapper.getDeserializationConfig().isEnabled(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES)).isFalse();
    assertThat(objectMapper.getDeserializationConfig().isEnabled(MapperFeature.AUTO_DETECT_FIELDS)).isFalse();
    assertThat(objectMapper.getFactory().isEnabled(JsonParser.Feature.AUTO_CLOSE_SOURCE)).isFalse();
    assertThat(objectMapper.getFactory().isEnabled(JsonGenerator.Feature.QUOTE_FIELD_NAMES)).isFalse();
    assertThat(objectMapper.getSerializationConfig().getSerializationInclusion()).isSameAs(Include.NON_NULL);
}