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

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Here is the source code for com.claresco.tinman.json.XapiInteractionJson.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 java.util.ArrayList;

import com.claresco.tinman.lrs.XapiInteraction;
import com.claresco.tinman.lrs.XapiInteractionComponent;
import com.google.gson.Gson;
import com.google.gson.JsonArray;
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;

/**
 * XapiInteractionJson.java
 *
 *
 * Status:
 *    GREEN
 *
 *
 * @author rheza
 * on Mar 6, 2014
 * 
 */

public class XapiInteractionJson implements JsonDeserializer<XapiInteraction> {

    /* (non-Javadoc)
     * @see com.google.gson.JsonDeserializer#deserialize(com.google.gson.JsonElement, java.lang.reflect.Type, com.google.gson.JsonDeserializationContext)
     */
    @Override
    public XapiInteraction deserialize(JsonElement arg0, Type arg1, JsonDeserializationContext arg2)
            throws JsonParseException {
        JsonObject theInteractionJson = JsonUtility.convertJsonElementToJsonObject(arg0);

        String theType = JsonUtility.getElementAsString(theInteractionJson, "interactionType");
        ArrayList<String> theCorrectResponse = new ArrayList<String>();
        ArrayList<XapiInteractionComponent> theChoices = JsonUtility.handleInteraction(theInteractionJson,
                "choices", arg2);
        ArrayList<XapiInteractionComponent> theScale = JsonUtility.handleInteraction(theInteractionJson, "scale",
                arg2);
        ArrayList<XapiInteractionComponent> theTarget = JsonUtility.handleInteraction(theInteractionJson, "target",
                arg2);
        ArrayList<XapiInteractionComponent> theSource = JsonUtility.handleInteraction(theInteractionJson, "source",
                arg2);
        ArrayList<XapiInteractionComponent> theSteps = JsonUtility.handleInteraction(theInteractionJson, "steps",
                arg2);

        // Getting correct response pattern
        if (JsonUtility.hasElement(theInteractionJson, "correctResponsesPattern")) {
            JsonArray theResponse = JsonUtility.getAnArray(theInteractionJson, "correctResponsesPattern");
            for (JsonElement element : theResponse) {
                theCorrectResponse.add(element.getAsString());
            }
        }

        XapiInteraction theInteraction = new XapiInteraction(theType, theCorrectResponse, theChoices, theScale,
                theTarget, theSource, theSteps);

        // This is to make sure the interaction type valid
        if (!theInteraction.isTypeValid()) {
            throw new XapiBadInteractionException(
                    "Interaction type : " + theInteraction.getType() + " is not valid");
        }

        return theInteraction;
    }

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

        String path = "/Users/rheza/Documents/workspace/ClarescoExperienceAPI/src/com/claresco/tinman/json/Interaction.json";
        String path2 = "/Users/rheza/Documents/workspace/ClarescoExperienceAPI/src/com/claresco/tinman/json/Matching.json";

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

            System.out.println(s);

            bf = new BufferedReader(new FileReader(path2));
            s = gson.fromJson(bf, XapiInteraction.class);
            System.out.println(s);

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

    }
}