Package com.facebook.presto.jdbc.internal.jackson.databind

Examples of com.facebook.presto.jdbc.internal.jackson.databind.ObjectMapper


        return new JsonCodec<>(createObjectMapper(), mapType);
    }

    private ObjectMapper createObjectMapper()
    {
        ObjectMapper objectMapper = null;

        // Work around for http://code.google.com/p/google-guice/issues/detail?id=627
        RuntimeException lastException = null;
        for (int i = 0; objectMapper == null && i < 10; i++) {
            try {
                objectMapper = objectMapperProvider.get();
            }
            catch (RuntimeException e) {
                lastException = e;
            }
        }
        if (objectMapper == null) {
            throw lastException;
        }

        if (prettyPrint) {
            objectMapper.enable(INDENT_OUTPUT);
        }
        else {
            objectMapper.disable(INDENT_OUTPUT);
        }
        return objectMapper;
    }
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    }

    @Override
    public ObjectMapper get()
    {
        ObjectMapper objectMapper = new ObjectMapper();

        // ignore unknown fields (for backwards compatibility)
        objectMapper.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);

        // use ISO dates
        objectMapper.disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS);

        // skip fields that are null instead of writing an explicit json null value
        objectMapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);

        // disable auto detection of json properties... all properties must be explicit
        objectMapper.disable(MapperFeature.AUTO_DETECT_CREATORS);
        objectMapper.disable(MapperFeature.AUTO_DETECT_FIELDS);
        objectMapper.disable(MapperFeature.AUTO_DETECT_SETTERS);
        objectMapper.disable(MapperFeature.AUTO_DETECT_GETTERS);
        objectMapper.disable(MapperFeature.AUTO_DETECT_IS_GETTERS);
        objectMapper.disable(MapperFeature.USE_GETTERS_AS_SETTERS);
        objectMapper.disable(MapperFeature.CAN_OVERRIDE_ACCESS_MODIFIERS);

        if (jsonSerializers != null || jsonDeserializers != null || keySerializers != null || keyDeserializers != null) {
            SimpleModule module = new SimpleModule(getClass().getName(), new Version(1, 0, 0, null));
            if (jsonSerializers != null) {
                for (Entry<Class<?>, JsonSerializer<?>> entry : jsonSerializers.entrySet()) {
                    addSerializer(module, entry.getKey(), entry.getValue());
                }
            }
            if (jsonDeserializers != null) {
                for (Entry<Class<?>, JsonDeserializer<?>> entry : jsonDeserializers.entrySet()) {
                    addDeserializer(module, entry.getKey(), entry.getValue());
                }
            }
            if (keySerializers != null) {
                for (Entry<Class<?>, JsonSerializer<?>> entry : keySerializers.entrySet()) {
                    addKeySerializer(module, entry.getKey(), entry.getValue());
                }
            }
            if (keyDeserializers != null) {
                for (Entry<Class<?>, KeyDeserializer> entry : keyDeserializers.entrySet()) {
                    module.addKeyDeserializer(entry.getKey(), entry.getValue());
                }
            }
            modules.add(module);
        }

        for (Module module : modules) {
            objectMapper.registerModule(module);
        }

        return objectMapper;
    }
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        return objectNode;
    }
   
    private final static synchronized ObjectMapper _getObjectMapper()
    {
        ObjectMapper mapper = _mapperReference.get();
        if (mapper == null) {
            mapper = new ObjectMapper();
            _mapperReference.set(mapper);
        }
        return mapper;
    }
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        return objectNode;
    }
   
    private final static synchronized ObjectMapper _getObjectMapper()
    {
        ObjectMapper mapper = _mapperReference.get();
        if (mapper == null) {
            mapper = new ObjectMapper();
            _mapperReference.set(mapper);
        }
        return mapper;
    }
View Full Code Here

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