Example usage for com.google.gson JsonNull INSTANCE

List of usage examples for com.google.gson JsonNull INSTANCE

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Prototype

JsonNull INSTANCE

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singleton for JsonNull

Usage

From source file:com.vmware.xenon.common.serialization.ObjectCollectionTypeConverter.java

License:Open Source License

@Override
public JsonElement serialize(Collection<Object> set, Type type, JsonSerializationContext context) {
    JsonArray setObject = new JsonArray();
    for (Object e : set) {
        if (e == null) {
            setObject.add(JsonNull.INSTANCE);
        } else if (e instanceof JsonElement) {
            setObject.add((JsonElement) e);
        } else {//  w w w  .  jav  a 2 s.  c om
            setObject.add(context.serialize(e));
        }
    }
    return setObject;
}

From source file:de.dentrassi.pm.maven.NodeAdapter.java

License:Open Source License

@Override
public JsonElement serialize(final Node node, final Type type, final JsonSerializationContext ctx) {
    if (node == null) {
        return JsonNull.INSTANCE;
    }/*  w w w. j  av a  2  s .  co  m*/

    final JsonObject o = new JsonObject();

    if (node instanceof ContentNode && !(node instanceof DataNode)) {
        final ContentNode cnode = (ContentNode) node;
        o.addProperty("type", DataNode.class.getSimpleName());
        o.add("node", ctx.serialize(new DataNode(cnode.getData(), cnode.getMimeType())));
    } else {
        o.addProperty("type", node.getClass().getSimpleName());
        o.add("node", ctx.serialize(node));
    }

    return o;
}

From source file:de.symeda.sormas.app.rest.RetroProvider.java

License:Open Source License

private RetroProvider(Context context)
        throws ServerConnectionException, ServerCommunicationException, ApiVersionException {

    lastConnectionId = this.hashCode();

    this.context = context;

    RuntimeTypeAdapterFactory<ClassificationCriteriaDto> classificationCriteriaFactory = RuntimeTypeAdapterFactory
            .of(ClassificationCriteriaDto.class, "type")
            .registerSubtype(ClassificationAllOfCriteriaDto.class, "ClassificationAllOfCriteriaDto")
            .registerSubtype(ClassificationCaseCriteriaDto.class, "ClassificationCaseCriteriaDto")
            .registerSubtype(ClassificationNoneOfCriteriaDto.class, "ClassificationNoneOfCriteriaDto")
            .registerSubtype(ClassificationPersonAgeBetweenYearsCriteriaDto.class,
                    "ClassificationPersonAgeBetweenYearsCriteriaDto")
            .registerSubtype(ClassificationPathogenTestPositiveResultCriteriaDto.class,
                    "ClassificationPathogenTestPositiveResultCriteriaDto")
            .registerSubtype(ClassificationXOfCriteriaDto.class, "ClassificationXOfCriteriaDto")
            .registerSubtype(ClassificationEpiDataCriteriaDto.class, "ClassificationEpiDataCriteriaDto")
            .registerSubtype(ClassificationNotInStartDateRangeCriteriaDto.class,
                    "ClassificationNotInStartDateRangeCriteriaDto")
            .registerSubtype(ClassificationSymptomsCriteriaDto.class, "ClassificationSymptomsCriteriaDto")
            .registerSubtype(ClassificationPathogenTestCriteriaDto.class,
                    "ClassificationPathogenTestCriteriaDto")
            .registerSubtype(ClassificationXOfCriteriaDto.ClassificationXOfSubCriteriaDto.class,
                    "ClassificationXOfSubCriteriaDto")
            .registerSubtype(ClassificationXOfCriteriaDto.ClassificationOneOfCompactCriteriaDto.class,
                    "ClassificationOneOfCompactCriteriaDto")
            .registerSubtype(ClassificationAllOfCriteriaDto.ClassificationAllOfCompactCriteriaDto.class,
                    "ClassificationAllOfCompactCriteriaDto");

    Gson gson = new GsonBuilder().registerTypeAdapter(Date.class, new JsonDeserializer<Date>() {
        public Date deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
                throws JsonParseException {
            if (json.isJsonNull()) {
                return null;
            }//w ww . j av  a  2 s . c  o m
            long milliseconds = json.getAsLong();
            return new Date(milliseconds);
        }
    }).registerTypeAdapter(Date.class, new JsonSerializer<Date>() {
        @Override
        public JsonElement serialize(Date src, Type typeOfSrc, JsonSerializationContext context) {
            if (src == null) {
                return JsonNull.INSTANCE;
            }
            return new JsonPrimitive(src.getTime());
        }
    }).registerTypeAdapterFactory(classificationCriteriaFactory).create();

    // Basic auth as explained in https://futurestud.io/tutorials/android-basic-authentication-with-retrofit

    String authToken = Credentials.basic(ConfigProvider.getUsername(), ConfigProvider.getPassword());
    AuthenticationInterceptor interceptor = new AuthenticationInterceptor(authToken);

    OkHttpClient.Builder httpClient = new OkHttpClient.Builder();
    httpClient.connectTimeout(20, TimeUnit.SECONDS);
    httpClient.readTimeout(60, TimeUnit.SECONDS); // for infrastructure data
    httpClient.writeTimeout(30, TimeUnit.SECONDS);

    // adds "Accept-Encoding: gzip" by default
    httpClient.addInterceptor(interceptor);

    // header for logging purposes
    httpClient.addInterceptor(chain -> {

        Request original = chain.request();
        Request.Builder builder = original.newBuilder();

        User user = ConfigProvider.getUser();
        if (user != null) {
            builder.header("User", DataHelper.getShortUuid(user.getUuid()));
            builder.header("Connection", String.valueOf(lastConnectionId)); // not sure if this is a good solution
        }

        builder.method(original.method(), original.body());
        return chain.proceed(builder.build());
    });

    retrofit = new Retrofit.Builder().baseUrl(ConfigProvider.getServerRestUrl())
            .addConverterFactory(GsonConverterFactory.create(gson)).client(httpClient.build()).build();

    checkCompatibility();

    updateLocale();
}

From source file:de.winniehell.battlebeavers.storage.SoldierSerializer.java

License:Open Source License

@Override
public JsonElement serialize(final Soldier pSrc, final Type pType, final JsonSerializationContext pContext) {
    if (pSrc == null) {
        return JsonNull.INSTANCE;
    }//  w  ww .ja va  2  s  .c o  m

    final JsonObject object = new JsonObject();

    object.add("id", pContext.serialize(pSrc.getId()));
    object.add("team", pContext.serialize(pSrc.getTeam()));
    object.add("tile", pContext.serialize(pSrc.getTile()));
    object.add("view_angle", pContext.serialize(pSrc.getRotation()));
    object.add("waypoints", pContext.serialize(pSrc.getWaypoints()));
    object.add("hp", pContext.serialize(pSrc.getHP()));

    return object;
}

From source file:de.winniehell.battlebeavers.storage.StepSerializer.java

License:Open Source License

@Override
public JsonElement serialize(final Step pSrc, final Type pType, final JsonSerializationContext pContext) {
    if (pSrc == null) {
        return JsonNull.INSTANCE;
    }// ww w . jav a 2s . co  m

    final JsonArray array = new JsonArray();

    array.add(pContext.serialize(pSrc.getTileColumn()));
    array.add(pContext.serialize(pSrc.getTileRow()));

    return array;
}

From source file:de.winniehell.battlebeavers.storage.TileSerializer.java

License:Open Source License

@Override
public JsonElement serialize(final Tile pSrc, final Type pType, final JsonSerializationContext pContext) {
    if (pSrc == null) {
        return JsonNull.INSTANCE;
    }//w  ww  .j a v  a 2s .c o  m

    final JsonArray array = new JsonArray();

    array.add(pContext.serialize(pSrc.getColumn()));
    array.add(pContext.serialize(pSrc.getRow()));

    return array;
}

From source file:de.winniehell.battlebeavers.storage.WayPointSerializer.java

License:Open Source License

@Override
public JsonElement serialize(final WayPoint pSrc, final Type pType, final JsonSerializationContext pContext) {
    if (pSrc == null) {
        return JsonNull.INSTANCE;
    }/*  w ww.j  av  a2  s.c o m*/

    final JsonObject object = new JsonObject();

    object.add("path", pContext.serialize(pSrc.getPath()));
    object.add("tile", pContext.serialize(pSrc.getTile()));

    if (pSrc.getAim() == null) {
        object.add("aim", JsonNull.INSTANCE);
    } else {
        object.add("aim", pContext.serialize(pSrc.getAim().getTile()));
    }

    if (pSrc.getWait() > 0) {
        object.addProperty("wait", pSrc.getWait());
    }

    return object;
}

From source file:de.winniehell.battlebeavers.storage.WeightedPathSerializer.java

License:Open Source License

@Override
public JsonElement serialize(final WeightedPath pSrc, final Type pType,
        final JsonSerializationContext pContext) {
    if (pSrc == null) {
        return JsonNull.INSTANCE;
    }//from   w  w w . java  2  s  .co m

    final JsonArray array = new JsonArray();

    for (int i = 0; i < pSrc.getLength(); ++i) {
        array.add(pContext.serialize(pSrc.getStep(i)));
    }

    return array;
}

From source file:edu.mit.media.funf.FunfManager.java

License:Open Source License

/**
 * Get a gson builder with the probe factory built in
 * @return//from  w w  w  .ja  v a2 s .com
 */
public static GsonBuilder getGsonBuilder(Context context) {
    return new GsonBuilder().registerTypeAdapterFactory(getProbeFactory(context))
            .registerTypeAdapterFactory(getActionFactory(context))
            .registerTypeAdapterFactory(getPipelineFactory(context))
            .registerTypeAdapterFactory(getDataSourceFactory(context))
            .registerTypeAdapterFactory(new ConfigurableRuntimeTypeAdapterFactory<Schedule>(context,
                    Schedule.class, BasicSchedule.class))
            .registerTypeAdapterFactory(new ConfigurableRuntimeTypeAdapterFactory<ConfigUpdater>(context,
                    ConfigUpdater.class, HttpConfigUpdater.class))
            .registerTypeAdapterFactory(new ConfigurableRuntimeTypeAdapterFactory<FileArchive>(context,
                    FileArchive.class, DefaultArchive.class))
            .registerTypeAdapterFactory(new ConfigurableRuntimeTypeAdapterFactory<RemoteFileArchive>(context,
                    RemoteFileArchive.class, HttpArchive.class))
            .registerTypeAdapterFactory(
                    new ConfigurableRuntimeTypeAdapterFactory<DataListener>(context, DataListener.class, null))
            .registerTypeAdapter(DefaultSchedule.class, new DefaultScheduleSerializer())
            .registerTypeAdapter(Class.class, new JsonSerializer<Class<?>>() {

                @Override
                public JsonElement serialize(Class<?> src, Type typeOfSrc, JsonSerializationContext context) {
                    return src == null ? JsonNull.INSTANCE : new JsonPrimitive(src.getName());
                }
            });
}

From source file:edu.mit.media.funf.json.JsonUtils.java

License:Open Source License

/**
 * Returns a deep copy of the JsonElement.  This is not thread safe.
 * @param el//  w  w w .  jav  a2 s.  co m
 * @return
 */
@SuppressWarnings("unchecked")
public static <T extends JsonElement> T deepCopy(T el) {
    if (el == null) {
        return (T) JsonNull.INSTANCE;
    } else if (el.isJsonArray()) {
        JsonArray array = new JsonArray();
        for (JsonElement subEl : el.getAsJsonArray()) {
            array.add(deepCopy(subEl));
        }
        return (T) array;
    } else if (el.isJsonObject()) {
        JsonObject object = new JsonObject();
        for (Map.Entry<String, JsonElement> entry : el.getAsJsonObject().entrySet()) {
            object.add(entry.getKey(), deepCopy(entry.getValue()));
        }
        return (T) object;
    } else {
        return (T) el;
    }
}