Java 类com.fasterxml.jackson.databind.ser.Serializers 实例源码

protected SerializerFactoryConfig(Serializers[] paramArrayOfSerializers1, Serializers[] paramArrayOfSerializers2, BeanSerializerModifier[] paramArrayOfBeanSerializerModifier)
{
  Serializers[] arrayOfSerializers1;
  if (paramArrayOfSerializers1 == null)
    arrayOfSerializers1 = NO_SERIALIZERS;
  else
    arrayOfSerializers1 = paramArrayOfSerializers1;
  this._additionalSerializers = arrayOfSerializers1;
  Serializers[] arrayOfSerializers2;
  if (paramArrayOfSerializers2 == null)
    arrayOfSerializers2 = NO_SERIALIZERS;
  else
    arrayOfSerializers2 = paramArrayOfSerializers2;
  this._additionalKeySerializers = arrayOfSerializers2;
  BeanSerializerModifier[] arrayOfBeanSerializerModifier;
  if (paramArrayOfBeanSerializerModifier == null)
    arrayOfBeanSerializerModifier = NO_MODIFIERS;
  else
    arrayOfBeanSerializerModifier = paramArrayOfBeanSerializerModifier;
  this._modifiers = arrayOfBeanSerializerModifier;
}

@Test
public void modules() {
    NumberSerializer serializer1 = new NumberSerializer(Integer.class);
    SimpleModule module = new SimpleModule();
    module.addSerializer(Integer.class, serializer1);
    ObjectMapper objectMapper = Jackson2ObjectMapperBuilder.json().modules(module).build();
    Serializers serializers = getSerializerFactoryConfig(objectMapper).serializers().iterator().next();
    assertSame(serializer1, serializers.findSerializer(null, SimpleType.construct(Integer.class), null));
}

@Test
@SuppressWarnings("unchecked")
public void modulesToInstallByClass() {
    ObjectMapper objectMapper = Jackson2ObjectMapperBuilder.json().modulesToInstall(CustomIntegerModule.class).build();
    Serializers serializers = getSerializerFactoryConfig(objectMapper).serializers().iterator().next();
    assertSame(CustomIntegerSerializer.class, serializers.findSerializer(null, SimpleType.construct(Integer.class), null).getClass());
}

@Test
public void serializerByType() {
    JsonSerializer<Number> serializer = new NumberSerializer(Integer.class);
    ObjectMapper objectMapper = Jackson2ObjectMapperBuilder.json()
            .modules(new ArrayList<>())  // Disable well-known modules detection
            .serializerByType(Boolean.class, serializer).build();
    assertTrue(getSerializerFactoryConfig(objectMapper).hasSerializers());
    Serializers serializers = getSerializerFactoryConfig(objectMapper).serializers().iterator().next();
    assertSame(serializer, serializers.findSerializer(null, SimpleType.construct(Boolean.class), null));
}

@Test
public void setModules() {
    NumberSerializer serializer = new NumberSerializer(Integer.class);
    SimpleModule module = new SimpleModule();
    module.addSerializer(Integer.class, serializer);

    this.factory.setModules(Arrays.asList(new Module[]{module}));
    this.factory.afterPropertiesSet();
    ObjectMapper objectMapper = this.factory.getObject();

    Serializers serializers = getSerializerFactoryConfig(objectMapper).serializers().iterator().next();
    assertSame(serializer, serializers.findSerializer(null, SimpleType.construct(Integer.class), null));
}

public final SerializerFactoryConfig withAdditionalKeySerializers(Serializers paramSerializers)
{
  if (paramSerializers == null)
    throw new IllegalArgumentException("Can not pass null Serializers");
  Serializers[] arrayOfSerializers = (Serializers[])ArrayBuilders.insertInListNoDup(this._additionalKeySerializers, paramSerializers);
  return new SerializerFactoryConfig(this._additionalSerializers, arrayOfSerializers, this._modifiers);
}

public JsonSerializer<?> findSerializer(SerializationConfig paramSerializationConfig, JavaType paramJavaType, BeanDescription paramBeanDescription)
{
  Class localClass = paramJavaType.getRawClass();
  if ((localClass.getName().startsWith("javax.xml.")) || (!hasSupertypeStartingWith(localClass, "javax.xml.")))
  {
    if (doesImplement(localClass, "org.w3c.dom.Node"))
      return (JsonSerializer)instantiate("com.fasterxml.jackson.databind.ext.DOMSerializer");
    return null;
  }
  Object localObject = instantiate("com.fasterxml.jackson.databind.ext.CoreXMLSerializers");
  if (localObject == null)
    return null;
  return ((Serializers)localObject).findSerializer(paramSerializationConfig, paramJavaType, paramBeanDescription);
}

@Test
public void modulesToInstallByInstance() {
    ObjectMapper objectMapper = Jackson2ObjectMapperBuilder.json().modulesToInstall(new CustomIntegerModule()).build();
    Serializers serializers = getSerializerFactoryConfig(objectMapper).serializers().iterator().next();
    assertSame(CustomIntegerSerializer.class, serializers.findSerializer(null, SimpleType.construct(Integer.class), null).getClass());
}

@Test
public void completeSetup() {
    NopAnnotationIntrospector annotationIntrospector = NopAnnotationIntrospector.instance;
    ObjectMapper objectMapper = new ObjectMapper();

    this.factory.setObjectMapper(objectMapper);
    assertTrue(this.factory.isSingleton());
    assertEquals(ObjectMapper.class, this.factory.getObjectType());

    Map<Class<?>, JsonDeserializer<?>> deserializers = new HashMap<Class<?>, JsonDeserializer<?>>();
    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);

    assertFalse(getSerializerFactoryConfig(objectMapper).hasSerializers());
    assertFalse(getDeserializerFactoryConfig(objectMapper).hasDeserializers());

    this.factory.setSerializationInclusion(Include.NON_NULL);
    this.factory.afterPropertiesSet();

    assertSame(objectMapper, this.factory.getObject());
    assertTrue(getSerializerFactoryConfig(objectMapper).hasSerializers());
    assertTrue(getDeserializerFactoryConfig(objectMapper).hasDeserializers());

    Serializers serializers = getSerializerFactoryConfig(objectMapper).serializers().iterator().next();
    assertSame(serializer1, serializers.findSerializer(null, SimpleType.construct(Class.class), null));
    assertSame(serializer2, serializers.findSerializer(null, SimpleType.construct(Boolean.class), null));
    assertNull(serializers.findSerializer(null, SimpleType.construct(Number.class), null));

    assertSame(annotationIntrospector, objectMapper.getSerializationConfig().getAnnotationIntrospector());
    assertSame(annotationIntrospector, objectMapper.getDeserializationConfig().getAnnotationIntrospector());

    assertTrue(objectMapper.getSerializationConfig().isEnabled(SerializationFeature.FAIL_ON_EMPTY_BEANS));
    assertTrue(objectMapper.getDeserializationConfig().isEnabled(DeserializationFeature.UNWRAP_ROOT_VALUE));
    assertTrue(objectMapper.getFactory().isEnabled(JsonParser.Feature.ALLOW_BACKSLASH_ESCAPING_ANY_CHARACTER));
    assertTrue(objectMapper.getFactory().isEnabled(JsonGenerator.Feature.WRITE_NUMBERS_AS_STRINGS));

    assertFalse(objectMapper.getSerializationConfig().isEnabled(MapperFeature.AUTO_DETECT_GETTERS));
    assertFalse(objectMapper.getDeserializationConfig().isEnabled(MapperFeature.DEFAULT_VIEW_INCLUSION));
    assertFalse(objectMapper.getDeserializationConfig().isEnabled(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES));
    assertFalse(objectMapper.getDeserializationConfig().isEnabled(MapperFeature.AUTO_DETECT_FIELDS));
    assertFalse(objectMapper.getFactory().isEnabled(JsonParser.Feature.AUTO_CLOSE_SOURCE));
    assertFalse(objectMapper.getFactory().isEnabled(JsonGenerator.Feature.QUOTE_FIELD_NAMES));
    assertSame(Include.NON_NULL, objectMapper.getSerializationConfig().getSerializationInclusion());
}

public final Iterable<Serializers> keySerializers()
{
  return ArrayBuilders.arrayAsIterable(this._additionalKeySerializers);
}

public final Iterable<Serializers> serializers()
{
  return ArrayBuilders.arrayAsIterable(this._additionalSerializers);
}

public final SerializerFactoryConfig withAdditionalSerializers(Serializers paramSerializers)
{
  if (paramSerializers == null)
    throw new IllegalArgumentException("Can not pass null Serializers");
  return new SerializerFactoryConfig((Serializers[])ArrayBuilders.insertInListNoDup(this._additionalSerializers, paramSerializers), this._additionalKeySerializers, this._modifiers);
}

@Override
protected Iterable<Serializers> customSerializers() {
    return null;
}

/**
 * Method that module can use to register additional serializers to use for
 * handling types.
 * 
 * @param s Object that can be called to find serializer for types supported
 *   by module (null returned for non-supported types)
 */
public void addSerializers(Serializers s);

/**
 * Method that module can use to register additional serializers to use for
 * handling Map key values (which are separate from value serializers because
 * they must write <code>JsonToken.FIELD_NAME</code> instead of String value).
 */
public void addKeySerializers(Serializers s);

public abstract void addKeySerializers(Serializers paramSerializers);

public abstract void addSerializers(Serializers paramSerializers);