com.claresco.tinman.json.XapiScoreJson.java Source code

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Here is the source code for com.claresco.tinman.json.XapiScoreJson.java

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/**
 * ClarescoExperienceAPI
 * Copyright 
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * Please contact Claresco, www.claresco.com, if you have any questions.
 **/

package com.claresco.tinman.json;

import java.io.BufferedReader;
import java.io.FileReader;
import java.lang.reflect.Type;

import org.apache.http.message.BufferedHeader;

import com.claresco.tinman.lrs.XapiAccount;
import com.claresco.tinman.lrs.XapiScore;
import com.claresco.tinman.lrs.XapiStatement;
import com.google.gson.Gson;
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 com.google.gson.JsonSerializationContext;
import com.google.gson.JsonSerializer;

/**
 * XapiScoreJson.java
 *
 * Responsible from deserializing and serializing to and for XapiScore respectively
 *
 *
 *
 * @author rheza
 * on Mar 5, 2014
 * 
 */

public class XapiScoreJson implements JsonDeserializer<XapiScore>, JsonSerializer<XapiScore> {

    /* (non-Javadoc)
     * @see com.google.gson.JsonSerializer#serialize(java.lang.Object, java.lang.reflect.Type, com.google.gson.JsonSerializationContext)
     */
    @Override
    public JsonElement serialize(XapiScore arg0, Type arg1, JsonSerializationContext arg2) {
        JsonObject result = new JsonObject();
        if (arg0.hasScaledScore()) {
            result.addProperty("scaled", arg0.getScaledScore().toString());
        }
        if (arg0.hasRawScore()) {
            result.addProperty("raw", arg0.getRawScore().toString());
        }
        if (arg0.hasMinScore()) {
            result.addProperty("min", arg0.getMinScore().toString());
        }
        if (arg0.hasMaxScore()) {
            result.addProperty("max", arg0.getMaxScore().toString());
        }

        return result;
    }

    /* (non-Javadoc)
     * @see com.google.gson.JsonDeserializer#deserialize(com.google.gson.JsonElement, java.lang.reflect.Type, com.google.gson.JsonDeserializationContext)
     */
    @Override
    public XapiScore deserialize(JsonElement arg0, Type arg1, JsonDeserializationContext arg2)
            throws JsonParseException {

        JsonObject theScoreJSON = JsonUtility.convertJsonElementToJsonObject(arg0);

        // Find the name of the agent
        Double theScaled = JsonUtility.getElementAsDouble(theScoreJSON, "scaled");
        Double theRaw = JsonUtility.getElementAsDouble(theScoreJSON, "raw");
        Double theMin = JsonUtility.getElementAsDouble(theScoreJSON, "min");
        Double theMax = JsonUtility.getElementAsDouble(theScoreJSON, "max");

        XapiScore theScore = new XapiScore(theScaled, theRaw, theMin, theMax);

        if (!theScore.isValid()) {
            throw new XapiBadResultException("Score is not valid");
        }

        return theScore;
    }

    public static void main(String[] args) {
        Gson gson = JsonUtility.createGson();

        String path = "/Users/rheza/Documents/workspace/ClarescoExperienceAPI/src/com/claresco/tinman/json/score.json";

        try {
            BufferedReader bf = new BufferedReader(new FileReader(path));
            XapiScore s = gson.fromJson(bf, XapiScore.class);

            System.out.println(s);

            XapiScore theS = new XapiScore(0.3, 3, 0, 10);

            String json = gson.toJson(theS);
            System.out.println(json);

        } catch (Exception e) {
            e.printStackTrace();
        }

    }

}