be.ugent.tiwi.sleroux.newsrec.recommendationstester.CustomDeserializer.java Source code

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Here is the source code for be.ugent.tiwi.sleroux.newsrec.recommendationstester.CustomDeserializer.java

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package be.ugent.tiwi.sleroux.newsrec.recommendationstester;

import be.ugent.tiwi.sleroux.newsrec.newsreclib.model.NewsItem;
import be.ugent.tiwi.sleroux.newsrec.newsreclib.model.NewsItemCluster;
import be.ugent.tiwi.sleroux.newsrec.newsreclib.model.RecommendedNewsItem;
import com.google.gson.JsonDeserializationContext;
import com.google.gson.JsonDeserializer;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonParseException;
import java.lang.reflect.Type;
import java.util.Arrays;

/**
 *
 * @author Sam Leroux <sam.leroux@ugent.be>
 */
public class CustomDeserializer implements JsonDeserializer<NewsItemCluster> {

    @Override
    public NewsItemCluster deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
            throws JsonParseException {
        JsonObject jo = json.getAsJsonObject();
        RecommendedNewsItem[] items = context.deserialize(jo.get("items"), RecommendedNewsItem[].class);

        RecommendedNewsItem rep = context.deserialize(jo.get("representative"), RecommendedNewsItem.class);
        NewsItemCluster cluster = new NewsItemCluster();
        cluster.setItems(Arrays.asList(items));
        cluster.setRepresentative(rep);
        return cluster;
    }

}