Examples of org.codehaus.jackson.map.deser.CustomDeserializerFactory

org.codehaus.jackson.map.deser.CustomDeserializerFactory
Deserializer factory implementation that allows for configuring mapping between types and deserializers to use, by using multiple types of overrides. Existing mappings established by {@link BeanDeserializerFactory} (and its super class,{@link BasicDeserializerFactory}) are used if no overrides are defined.
Unlike base deserializer factories, this factory is stateful because of configuration settings. It is thread-safe, however, as long as all configuration as done before using the factory -- a single instance can be shared between providers and mappers.
Configurations currently available are:
- Ability to define explicit mappings between simple non-generic classes/interfaces and deserializers to use for deserializing instance of these classes. Mappings are one-to-one (i.e. there is no "generic" variant for handling sub- or super-classes/interfaces).
In near future, following features are planned to be added:
- Ability to define "mix-in annotations": associations between types (classes, interfaces) to deserialize, and a "mix-in" type which will be used so that all of its annotations are added to the deserialized type. Mixed-in annotations have priority over annotations that the deserialized type has. In effect this allows for overriding annotations types have; this is useful when type definition itself can not be modified

            Package pkg = cls.getPackage();
            if (pkg != null) {
                XmlJavaTypeAdapters adapters = pkg.getAnnotation(XmlJavaTypeAdapters.class);
                if (adapters != null) {
                    CustomSerializerFactory serializerFactory = new CustomSerializerFactory();
                    CustomDeserializerFactory deserializerFactory = new CustomDeserializerFactory();
                    for (XmlJavaTypeAdapter a : adapters.value()) {
                        XmlAdapter xmlAdapter = null;
                        try {
                            xmlAdapter = a.value().newInstance();
                        } catch (Throwable e) {
                            // Ignore
                        }
                        if (xmlAdapter != null) {
                            XmlAdapterJsonDeserializer deserializer = new XmlAdapterJsonDeserializer(xmlAdapter, null);
                            XmlAdapterJsonSerializer serializer = new XmlAdapterJsonSerializer(xmlAdapter, null);
                            deserializerFactory.addSpecificMapping(a.type(), deserializer);
                            serializerFactory.addGenericMapping(a.type(), serializer);
                            StdDeserializerProvider deserializerProvider =
                                new StdDeserializerProvider(deserializerFactory);
                            mapper = new ObjectMapper();
                            mapper.setSerializerFactory(serializerFactory);

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            Package pkg = cls.getPackage();
            if (pkg != null) {
                XmlJavaTypeAdapters adapters = pkg.getAnnotation(XmlJavaTypeAdapters.class);
                if (adapters != null) {
                    CustomSerializerFactory serializerFactory = new CustomSerializerFactory();
                    CustomDeserializerFactory deserializerFactory = new CustomDeserializerFactory();
                    for (XmlJavaTypeAdapter a : adapters.value()) {
                        XmlAdapter xmlAdapter = null;
                        try {
                            xmlAdapter = a.value().newInstance();
                        } catch (Throwable e) {
                            // Ignore
                        }
                        if (xmlAdapter != null) {
                            XmlAdapterJsonDeserializer deserializer = new XmlAdapterJsonDeserializer(xmlAdapter, null);
                            XmlAdapterJsonSerializer serializer = new XmlAdapterJsonSerializer(xmlAdapter, null);
                            deserializerFactory.addSpecificMapping(a.type(), deserializer);
                            serializerFactory.addGenericMapping(a.type(), serializer);
                            StdDeserializerProvider deserializerProvider =
                                new StdDeserializerProvider(deserializerFactory);
                            mapper.setSerializerFactory(serializerFactory);
                            mapper.setDeserializerProvider(deserializerProvider);

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            Package pkg = cls.getPackage();
            if (pkg != null) {
                XmlJavaTypeAdapters adapters = pkg.getAnnotation(XmlJavaTypeAdapters.class);
                if (adapters != null) {
                    CustomSerializerFactory serializerFactory = new CustomSerializerFactory();
                    CustomDeserializerFactory deserializerFactory = new CustomDeserializerFactory();
                    for (XmlJavaTypeAdapter a : adapters.value()) {
                        XmlAdapter xmlAdapter = null;
                        try {
                            xmlAdapter = a.value().newInstance();
                        } catch (Throwable e) {
                            // Ignore
                        }
                        if (xmlAdapter != null) {
                            XmlAdapterJsonDeserializer deserializer = new XmlAdapterJsonDeserializer(xmlAdapter, null);
                            XmlAdapterJsonSerializer serializer = new XmlAdapterJsonSerializer(xmlAdapter, null);
                            deserializerFactory.addSpecificMapping(a.type(), deserializer);
                            serializerFactory.addGenericMapping(a.type(), serializer);
                            StdDeserializerProvider deserializerProvider =
                                new StdDeserializerProvider(deserializerFactory);
                            mapper.setSerializerFactory(serializerFactory);
                            mapper.setDeserializerProvider(deserializerProvider);

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            Package pkg = cls.getPackage();
            if (pkg != null) {
                XmlJavaTypeAdapters adapters = pkg.getAnnotation(XmlJavaTypeAdapters.class);
                if (adapters != null) {
                    CustomSerializerFactory serializerFactory = new CustomSerializerFactory();
                    CustomDeserializerFactory deserializerFactory = new CustomDeserializerFactory();
                    for (XmlJavaTypeAdapter a : adapters.value()) {
                        XmlAdapter xmlAdapter = null;
                        try {
                            xmlAdapter = a.value().newInstance();
                        } catch (Throwable e) {
                            // Ignore
                        }
                        if (xmlAdapter != null) {
                            XmlAdapterJsonDeserializer deserializer = new XmlAdapterJsonDeserializer(xmlAdapter, null);
                            XmlAdapterJsonSerializer serializer = new XmlAdapterJsonSerializer(xmlAdapter, null);
                            deserializerFactory.addSpecificMapping(a.type(), deserializer);
                            serializerFactory.addGenericMapping(a.type(), serializer);
                            StdDeserializerProvider deserializerProvider =
                                new StdDeserializerProvider(deserializerFactory);
                            mapper = new ObjectMapper();
                            mapper.setSerializerFactory(serializerFactory);

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  public DomElementJacksonObjectMapperResolver() {
    this.commonMapper = new ObjectMapper();
    CustomSerializerFactory sf = new CustomSerializerFactory();
    sf.addGenericMapping(Element.class, new DomElementJsonSerializer());
    CustomDeserializerFactory df = new CustomDeserializerFactory();
    df.addSpecificMapping(Element.class, new DomElementJsonDeserializer());
    this.commonMapper.setSerializerFactory(sf);
    this.commonMapper.setDeserializerProvider(new StdDeserializerProvider(df));
  }

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  private Collection<Class<?>> exceptions = Sets.newHashSet();
  
  @Inject
  public JacksonJsonTransport(ConverterRegistry registry) {
    this.objectMapper = new ObjectMapper();
    CustomDeserializerFactory deserializerFactory = new CustomDeserializerFactory();
    
    // leave these for Jackson to handle
    exceptions.add(String.class);
    exceptions.add(Object.class);
    exceptions.addAll(Primitives.allWrapperTypes());

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