Example usage for com.fasterxml.jackson.databind.deser.std StdDeserializer StdDeserializer

Introduction

In this page you can find the example usage for com.fasterxml.jackson.databind.deser.std StdDeserializer StdDeserializer.

Prototype

protected StdDeserializer(Class<?> paramClass) 

Source Link

Usage

From source file:com.kaaprotech.satu.jackson.SatuDeserializers.java

@Override
public JsonDeserializer<?> findMapDeserializer(final MapType type, final DeserializationConfig config,
        BeanDescription beanDesc, final KeyDeserializer keyDeserializer,
        final TypeDeserializer elementTypeDeserializer, final JsonDeserializer<?> elementDeserializer)
        throws JsonMappingException {

    if (ImmutableMap.class.isAssignableFrom(type.getRawClass())) {
        return new StdDeserializer<Object>(type) {
            private static final long serialVersionUID = 1L;

            @Override//from  ww w  .  ja  va  2s.  co m
            public Object deserialize(JsonParser jp, DeserializationContext context) throws IOException {

                JsonToken t = jp.getCurrentToken();
                if (t == JsonToken.START_OBJECT) {
                    t = jp.nextToken();
                }
                if (t != JsonToken.FIELD_NAME && t != JsonToken.END_OBJECT) {
                    throw context.mappingException(type.getRawClass());
                }

                MutableMap<Object, Object> m = Maps.mutable.of();

                for (; jp.getCurrentToken() == JsonToken.FIELD_NAME; jp.nextToken()) {
                    // Pointing to field name
                    String fieldName = jp.getCurrentName();
                    Object key = (keyDeserializer == null) ? fieldName
                            : keyDeserializer.deserializeKey(fieldName, context);
                    t = jp.nextToken();

                    Object value;
                    if (t == JsonToken.VALUE_NULL) {
                        value = null;
                    } else if (elementDeserializer == null) {
                        value = jp.readValueAs(type.getContentType().getRawClass());
                    } else if (elementTypeDeserializer == null) {
                        value = elementDeserializer.deserialize(jp, context);
                    } else {
                        value = elementDeserializer.deserializeWithType(jp, context, elementTypeDeserializer);
                    }
                    m.put(key, value);
                }
                return m.toImmutable();
            }
        };
    }

    return super.findMapDeserializer(type, config, beanDesc, keyDeserializer, elementTypeDeserializer,
            elementDeserializer);
}

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From source file:org.apache.streams.datasift.util.StreamsDatasiftMapper.java

public StreamsDatasiftMapper() {
    super();/*from  w  w w  .  j  a va 2s . c om*/
    registerModule(new SimpleModule() {
        {
            addDeserializer(DateTime.class, new StdDeserializer<DateTime>(DateTime.class) {
                @Override
                public DateTime deserialize(JsonParser jpar, DeserializationContext context)
                        throws IOException, JsonProcessingException {
                    DateTime result = null;
                    try {
                        result = DATASIFT_FORMATTER.parseDateTime(jpar.getValueAsString());
                    } catch (Exception e) {
                    }
                    if (result == null) {
                        try {
                            result = RFC3339Utils.getInstance().parseToUTC(jpar.getValueAsString());
                        } catch (Exception e) {
                        }
                    }
                    return result;
                }
            });
        }
    });

}

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From source file:org.apache.streams.twitter.converter.StreamsTwitterMapper.java

public StreamsTwitterMapper() {
    super();//ww  w .  j  av a 2  s  . c o m
    registerModule(new SimpleModule() {
        {
            addDeserializer(DateTime.class, new StdDeserializer<DateTime>(DateTime.class) {
                @Override
                public DateTime deserialize(JsonParser jpar, DeserializationContext context)
                        throws IOException, JsonProcessingException {
                    DateTime result = null;
                    try {
                        result = TWITTER_FORMATTER.parseDateTime(jpar.getValueAsString());
                    } catch (Exception e) {
                    }
                    try {
                        result = RFC3339Utils.getInstance().parseToUTC(jpar.getValueAsString());
                    } catch (Exception e) {
                    }
                    return result;
                }
            });
        }
    });

}

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From source file:eu.trentorise.opendata.commons.jackson.OdtCommonsModule.java

/**
 * Creates the module and registers all the needed serializers and
 * deserializers for Odt Commons objects
 *//*from ww  w  .  j ava 2 s.co m*/
public OdtCommonsModule() {
    super("odt-commons-jackson", readJacksonVersion(OdtCommonsModule.class));

    addSerializer(Dict.class, new StdSerializer<Dict>(Dict.class) {
        @Override
        public void serialize(Dict value, JsonGenerator jgen, SerializerProvider provider) throws IOException {
            jgen.writeObject(value.asMultimap());
        }
    });

    addDeserializer(Dict.class, new StdDeserializer<Dict>(Dict.class) {

        @Override
        public Dict deserialize(JsonParser jp, DeserializationContext ctxt) throws IOException {
            TypeReference ref = new TypeReference<ImmutableListMultimap<Locale, String>>() {
            };
            return Dict.of((ImmutableListMultimap) jp.readValueAs(ref));
        }
    });

    setMixInAnnotation(LocalizedString.class, JacksonLocalizedString.class);

}

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From source file:eu.trentorise.opendata.commons.jackson.TodCommonsModule.java

/**
 * Creates the module and registers all the needed serializers and
 * deserializers for Tod Commons objects
 */// w w  w.j  a  v  a2  s  .  c  om
public TodCommonsModule() {
    super("tod-commons-jackson", readJacksonVersion(TodCommonsModule.class));

    addSerializer(Dict.class, new StdSerializer<Dict>(Dict.class) {
        @Override
        public void serialize(Dict value, JsonGenerator jgen, SerializerProvider provider) throws IOException {
            jgen.writeObject(value.asMultimap());
        }
    });

    addDeserializer(Dict.class, new StdDeserializer<Dict>(Dict.class) {

        @Override
        public Dict deserialize(JsonParser jp, DeserializationContext ctxt) throws IOException {
            TypeReference ref = new TypeReference<ImmutableListMultimap<Locale, String>>() {
            };
            return Dict.of((ImmutableListMultimap) jp.readValueAs(ref));
        }
    });

    addDeserializer(Locale.class, new LocaleDeserializer());

    setMixInAnnotation(LocalizedString.class, JacksonLocalizedString.class);

    setMixInAnnotation(Ref.class, JacksonRef.class);

}

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From source file:com.kaaprotech.satu.jackson.SatuDeserializers.java

@Override
public JsonDeserializer<?> findCollectionDeserializer(final CollectionType type,
        final DeserializationConfig config, final BeanDescription beanDesc,
        final TypeDeserializer elementTypeDeserializer, final JsonDeserializer<?> elementDeserializer)
        throws JsonMappingException {

    if (ImmutableSet.class.isAssignableFrom(type.getRawClass())) {
        return new StdDeserializer<Object>(type) {
            private static final long serialVersionUID = 1L;

            @Override/*  w  w  w. j av a 2s.c  om*/
            public Object deserialize(JsonParser jp, DeserializationContext context) throws IOException {

                if (jp.isExpectedStartArrayToken()) {
                    JsonToken t;

                    MutableSet<Object> s = Sets.mutable.of();

                    while ((t = jp.nextToken()) != JsonToken.END_ARRAY) {
                        Object value;
                        if (t == JsonToken.VALUE_NULL) {
                            value = null;
                        } else if (elementDeserializer == null) {
                            value = jp.readValueAs(type.getContentType().getRawClass());
                        } else if (elementTypeDeserializer == null) {
                            value = elementDeserializer.deserialize(jp, context);
                        } else {
                            value = elementDeserializer.deserializeWithType(jp, context,
                                    elementTypeDeserializer);
                        }
                        s.add(value);
                    }
                    return s.toImmutable();
                }
                throw context.mappingException(type.getRawClass());
            }
        };
    }

    return super.findCollectionDeserializer(type, config, beanDesc, elementTypeDeserializer,
            elementDeserializer);
}

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