2 * ============LICENSE_START=======================================================
3 * dcaegen2-collectors-veshv
4 * ================================================================================
5 * Copyright (C) 2019 NOKIA
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END=========================================================
20 package org.onap.dcae.collectors.veshv.main.config.adapters
22 import arrow.core.Option
23 import com.google.gson.JsonDeserializationContext
24 import com.google.gson.JsonDeserializer
25 import com.google.gson.JsonElement
26 import java.lang.reflect.ParameterizedType
27 import java.lang.reflect.Type
30 * @author Pawel Biniek <pawel.biniek@nokia.com>
33 class OptionAdapter : JsonDeserializer<Option<Any>> {
34 override fun deserialize(json: JsonElement, typeOfT: Type, context: JsonDeserializationContext): Option<Any> {
35 val parametrizedType = typeOfT as ParameterizedType
36 val typeParameter = parametrizedType.actualTypeArguments.first()
37 return Option.fromNullable(context.deserialize<Any>(json, typeParameter))