Java tutorial
/* Alicorn Systems GH6 Project "Narwhal" Copyright (c) Brandon Sanders [brandon@alicorn.io], Joshua Gagen [joshuagagen@outlook.com], Edwin Munguia [daiokaio@gmail.com] and Justin Stone Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. */ package io.alicorn.data.models; import com.fasterxml.jackson.core.JsonParser; import com.fasterxml.jackson.core.JsonProcessingException; import com.fasterxml.jackson.databind.DeserializationContext; import com.fasterxml.jackson.databind.JsonDeserializer; import com.fasterxml.jackson.databind.JsonNode; import com.fasterxml.jackson.databind.node.ArrayNode; import java.io.IOException; public class CoordinateDeserializer extends JsonDeserializer<GeospatialCoordinate> { @Override public GeospatialCoordinate deserialize(JsonParser jsonParser, DeserializationContext deserializationContext) throws IOException, JsonProcessingException { GeospatialCoordinate geospatialCoordinate = new GeospatialCoordinate(); JsonNode jn = jsonParser.getCodec().readTree(jsonParser); geospatialCoordinate.setLongitude(jn.get("coordinates").get(0).asDouble()); geospatialCoordinate.setLatitude(jn.get("coordinates").get(1).asDouble()); return geospatialCoordinate; } }