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A Java API to generate highchart json on the server side.

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package nl.pvanassen.highchart.api.serializer;

import java.lang.reflect.Type;
import java.util.Map;
import java.util.Map.Entry;

import com.google.gson.*;

public abstract class Serializer implements JsonSerializer {

    public Serializer() {
        super();
    }

    public abstract Map getProperties(K instance);

    @Override
    public JsonElement serialize(K instance, Type arg1, JsonSerializationContext arg2) {
        Map map = getProperties(instance);
        if (map == null) {
            return new JsonPrimitive("");
        }

        JsonObject r = new JsonObject();
        for (Entry e : map.entrySet()) {
            r.addProperty(e.getKey(), e.getValue());
        }

        return r;
    }

}