Examples of com.fasterxml.jackson.databind.module.SimpleModule

Package com.fasterxml.jackson.databind.module

Examples of com.fasterxml.jackson.databind.module.SimpleModule

com.fasterxml.jackson.databind.module.SimpleModule
Simple {@link Module} implementation that allows registrationof serializers and deserializers, and bean serializer and deserializer modifiers.

            verifyException(e, "missing property");
        }


        // but then succeed when we register default impl
        mapper = new ObjectMapper();
        SimpleModule module = new SimpleModule("test", Version.unknownVersion());
        module.addAbstractTypeMapping(SuperTypeWithoutDefault.class, DefaultImpl505.class);
        mapper.registerModule(module);
        SuperTypeWithoutDefault bean = mapper.readValue(JSON, SuperTypeWithoutDefault.class);
        assertNotNull(bean);
        assertEquals(DefaultImpl505.class, bean.getClass());
        assertEquals(123, ((DefaultImpl505) bean).a);

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    // [Issue#120]
    public void testModifyArrayDeserializer() throws Exception
    {
        ObjectMapper mapper = new ObjectMapper();
        mapper.registerModule(new SimpleModule("test")
            .setDeserializerModifier(new ArrayDeserializerModifier()));
        Object[] result = mapper.readValue("[1,2]", Object[].class);
        assertEquals(1, result.length);
        assertEquals("foo", result[0]);
    }

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    }


    public void testModifyCollectionDeserializer() throws Exception
    {
        ObjectMapper mapper = new ObjectMapper();
        mapper.registerModule(new SimpleModule("test")
            .setDeserializerModifier(new CollectionDeserializerModifier())
        );
        List<?> result = mapper.readValue("[1,2]", List.class);
        assertEquals(1, result.size());
        assertEquals("foo", result.get(0));

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    }


    public void testModifyMapDeserializer() throws Exception
    {
        ObjectMapper mapper = new ObjectMapper();
        mapper.registerModule(new SimpleModule("test")
            .setDeserializerModifier(new MapDeserializerModifier())
        );
        Map<?,?> result = mapper.readValue("{\"a\":1,\"b\":2}", Map.class);
        assertEquals(1, result.size());
        assertEquals("foo", result.get("a"));

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    }


    public void testModifyEnumDeserializer() throws Exception
    {
        ObjectMapper mapper = new ObjectMapper();
        mapper.registerModule(new SimpleModule("test")
            .setDeserializerModifier(new EnumDeserializerModifier())
        );
        Object result = mapper.readValue(quote("B"), EnumABC.class);
        assertEquals("foo", result);
    }

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    }


    public void testModifyKeyDeserializer() throws Exception
    {
        ObjectMapper mapper = new ObjectMapper();
        mapper.registerModule(new SimpleModule("test")
            .setDeserializerModifier(new KeyDeserializerModifier())
        );
        Map<?,?> result = mapper.readValue("{\"a\":1}", Map.class);
        assertEquals(1, result.size());
        assertEquals("foo", result.entrySet().iterator().next().getKey());

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        assertEquals(Long.valueOf(VALUE), n);
    }


    public void testUntypedWithCustomScalarDesers() throws IOException
    {
        SimpleModule m = new SimpleModule("test-module");
        m.addDeserializer(String.class, new UCStringDeserializer());
        m.addDeserializer(Number.class, new CustomNumberDeserializer(13));
        final ObjectMapper mapper = new ObjectMapper()
            .registerModule(m);


        Object ob = mapper.readValue("{\"a\":\"b\", \"nr\":1 }", Object.class);
        assertTrue(ob instanceof Map);

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        assertEquals(Integer.valueOf(13), value);
    }


    public void testUntypedWithListDeser() throws IOException
    {
        SimpleModule m = new SimpleModule("test-module");
        m.addDeserializer(List.class, new ListDeserializer());
        final ObjectMapper mapper = new ObjectMapper()
            .registerModule(m);


        // And then list...
        Object ob = mapper.readValue("[1, 2, true]", Object.class);

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        assertEquals("Xtrue", l.get(2));
    }


    public void testUntypedWithMapDeser() throws IOException
    {
        SimpleModule m = new SimpleModule("test-module");
        m.addDeserializer(Map.class, new MapDeserializer());
        final ObjectMapper mapper = new ObjectMapper()
            .registerModule(m);


        // And then list...
        Object ob = mapper.readValue("{\"a\":true}", Object.class);

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        mapper.disable(MapperFeature.ALLOW_FINAL_FIELDS_AS_MUTATORS)
            .disable(MapperFeature.AUTO_DETECT_FIELDS)
            .disable(MapperFeature.AUTO_DETECT_GETTERS)
            .disable(MapperFeature.AUTO_DETECT_IS_GETTERS)
            .disable(MapperFeature.INFER_PROPERTY_MUTATORS);
        SimpleModule module = new SimpleModule("Test");
        module.setMixInAnnotation(Person.class, PersonMixin.class);        
        mapper.registerModule(module);


        assertEquals("{\"city\":\"Seattle\"}", mapper.writeValueAsString(new PersonImpl()));
    }

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