List of registerSubtypes() Examples

Examples of registerSubtypes()

com.fasterxml.jackson.databind.ObjectMapper.registerSubtypes()
Method for registering specified class as a subtype, so that typename-based resolution can link supertypes to subtypes (as an alternative to using annotations). Type for given class is determined from appropriate annotation; or if missing, default name (unqualified class name)
com.fasterxml.jackson.databind.jsontype.SubtypeResolver.registerSubtypes()
Method for registering specified subtypes (possibly including type names); for type entries without name, non-qualified class name as used as name (unless overridden by annotation).
com.fasterxml.jackson.databind.jsontype.impl.StdSubtypeResolver.registerSubtypes()
com.fasterxml.jackson.databind.module.SimpleModule.registerSubtypes()
Method for adding set of subtypes to be registered with {@link ObjectMapper}this is an alternative to using annotations in super type to indicate subtypes.
com.netflix.suro.jackson.DefaultObjectMapper.registerSubtypes()
org.codehaus.jackson.map.ObjectMapper.registerSubtypes()
Method for registering specified class as a subtype, so that typename-based resolution can link supertypes to subtypes (as an alternative to using annotations). Type for given class is determined from appropriate annotation; or if missing, default name (unqualified class name) @since 1.6

Examples of com.fasterxml.jackson.databind.ObjectMapper.registerSubtypes()

    // JACKSON-510
    public void testPropertyWithSubtypes() throws Exception
    {
        ObjectMapper mapper = new ObjectMapper();
        // must register subtypes
        mapper.registerSubtypes(SubB.class, SubC.class, SubD.class);
        String json = mapper.writeValueAsString(new PropertyBean(new SubC()));
        PropertyBean result = mapper.readValue(json, PropertyBean.class);
        assertSame(SubC.class, result.value.getClass());
    }

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Examples of com.fasterxml.jackson.databind.ObjectMapper.registerSubtypes()

        ObjectMapper mapper = new ObjectMapper();
        assertEquals("{\"@type\":\"TypeB\",\"b\":1}", mapper.writeValueAsString(bean));


        // but we can override type name here too
        mapper = new ObjectMapper();
        mapper.registerSubtypes(new NamedType(SubB.class, "typeB"));
        assertEquals("{\"@type\":\"typeB\",\"b\":1}", mapper.writeValueAsString(bean));


        // and default name ought to be simple class name; with context
        assertEquals("{\"@type\":\"TestSubtypes$SubD\",\"d\":0}", mapper.writeValueAsString(new SubD()));  
    }

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Examples of com.fasterxml.jackson.databind.ObjectMapper.registerSubtypes()

    }


    public void testDeserializationNonNamed() throws Exception
    {
        ObjectMapper mapper = new ObjectMapper();
        mapper.registerSubtypes(SubC.class);


        // default name should be unqualified class name
        SuperType bean = mapper.readValue("{\"@type\":\"TestSubtypes$SubC\", \"c\":1}", SuperType.class);
        assertSame(SubC.class, bean.getClass());
        assertEquals(1, ((SubC) bean).c);

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Examples of com.fasterxml.jackson.databind.ObjectMapper.registerSubtypes()

    }


    public void testDeserializatioNamed() throws Exception
    {
        ObjectMapper mapper = new ObjectMapper();
        mapper.registerSubtypes(SubB.class);
        mapper.registerSubtypes(new NamedType(SubD.class, "TypeD"));


        SuperType bean = mapper.readValue("{\"@type\":\"TypeB\", \"b\":13}", SuperType.class);
        assertSame(SubB.class, bean.getClass());
        assertEquals(13, ((SubB) bean).b);

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Examples of com.fasterxml.jackson.databind.ObjectMapper.registerSubtypes()


    public void testDeserializatioNamed() throws Exception
    {
        ObjectMapper mapper = new ObjectMapper();
        mapper.registerSubtypes(SubB.class);
        mapper.registerSubtypes(new NamedType(SubD.class, "TypeD"));


        SuperType bean = mapper.readValue("{\"@type\":\"TypeB\", \"b\":13}", SuperType.class);
        assertSame(SubB.class, bean.getClass());
        assertEquals(13, ((SubB) bean).b);

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Examples of com.fasterxml.jackson.databind.ObjectMapper.registerSubtypes()

    private final ObjectMapper MAPPER = new ObjectMapper();
    
    public void testSimpleSerialization() throws Exception
    {
        ObjectMapper mapper = new ObjectMapper();
        mapper.registerSubtypes(ValueBean.class);
        // This may look odd, but one implementation nastiness is the fact
        // that we can not properly serialize type id before the object,
        // because call is made after property name (for object) has already
        // been written out. So we'll write it after...
        // Deserializer will work either way as it can not rely on ordering

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Examples of com.fasterxml.jackson.databind.ObjectMapper.registerSubtypes()

     */
    
    public void testSimpleDeserialization() throws Exception
    {
        ObjectMapper mapper = new ObjectMapper();
        mapper.registerSubtypes(ValueBean.class);
        ExternalBean result = mapper.readValue("{\"bean\":{\"value\":11},\"extType\":\"vbean\"}", ExternalBean.class);
        assertNotNull(result);
        assertNotNull(result.bean);
        ValueBean vb = (ValueBean) result.bean;
        assertEquals(11, vb.value);

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Examples of com.fasterxml.jackson.databind.ObjectMapper.registerSubtypes()

    // Test for verifying that it's ok to have multiple (say, 3)
    // externally typed things, mixed with other stuff...
    public void testMultipleTypeIdsDeserialization() throws Exception
    {
        ObjectMapper mapper = new ObjectMapper();
        mapper.registerSubtypes(ValueBean.class);
        String json = mapper.writeValueAsString(new ExternalBean3(3));
        ExternalBean3 result = mapper.readValue(json, ExternalBean3.class);
        assertNotNull(result);
        assertNotNull(result.value1);
        assertNotNull(result.value2);

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Examples of com.fasterxml.jackson.databind.ObjectMapper.registerSubtypes()


    // Also, it should be ok to use @JsonCreator as well...
    public void testExternalTypeWithCreator() throws Exception
    {
        ObjectMapper mapper = new ObjectMapper();
        mapper.registerSubtypes(ValueBean.class);
        String json = mapper.writeValueAsString(new ExternalBeanWithCreator(7));
        ExternalBeanWithCreator result = mapper.readValue(json, ExternalBeanWithCreator.class);
        assertNotNull(result);
        assertNotNull(result.value);
        assertEquals(7, ((ValueBean)result.value).value);

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Examples of com.fasterxml.jackson.databind.ObjectMapper.registerSubtypes()

    mapper.disable(SerializationFeature.FAIL_ON_EMPTY_BEANS);
    mapper.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);


    Reflections reflections = new Reflections("com.twitter.ambrose");
    Set<Class<? extends Job>> jobSubTypes = reflections.getSubTypesOf(Job.class);
    mapper.registerSubtypes(jobSubTypes.toArray(new Class<?>[jobSubTypes.size()]));
    return mapper;
  }
}

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