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Add CameraDeserializer, fix empty camera.json crash

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Banks Troutman
2019-09-20 15:42:13 -04:00
parent c5568e4296
commit d733995ac6
6 changed files with 73 additions and 30 deletions
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34
Main/src/main/java/com/chameleonvision/vision/camera/CameraDeserializer.java Normal file
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package com.chameleonvision.vision.camera;
import com.chameleonvision.vision.Pipeline;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.type.MapType;
import com.fasterxml.jackson.databind.type.TypeFactory;
import com.google.gson.*;
import java.lang.reflect.Type;
import java.util.HashMap;
public class CameraDeserializer implements JsonDeserializer<Camera> {
@Override
public Camera deserialize(JsonElement jsonElement, Type type, JsonDeserializationContext context) throws JsonParseException {
var jsonObj = jsonElement.getAsJsonObject();
var camFOV = jsonObj.get("FOV").getAsDouble();
var camPath = jsonObj.get("path").getAsString();
var camName = jsonObj.get("name").getAsString();
var pipelines = jsonObj.get("pipelines");
HashMap<Integer, Pipeline> actualPipelines = new HashMap<>();
ObjectMapper mapper = new ObjectMapper();
TypeFactory typeFactory = mapper.getTypeFactory();
MapType mapType = typeFactory.constructMapType(HashMap.class, Integer.class, Pipeline.class);
try {
actualPipelines = mapper.readValue(pipelines.toString(), mapType);
} catch (JsonProcessingException e) {
e.printStackTrace();
}
return actualPipelines != null ? new Camera(camName, camFOV, actualPipelines) : new Camera(camName, camFOV);
}
}