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

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

Source

/**
 * 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.lang.reflect.Type;
import java.util.Map;

import com.claresco.tinman.lrs.XapiVerb;
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;

/**
 * XapiVerbDeserializer.java
 *
 *
 *
 *
 *
 * @author rheza
 * on Jan 23, 2014
 * 
 */

public class XapiVerbJson implements JsonDeserializer<XapiVerb>, JsonSerializer<XapiVerb> {

    /* (non-Javadoc)
     * @see com.google.gson.JsonSerializer#serialize(java.lang.Object, java.lang.reflect.Type, com.google.gson.JsonSerializationContext)
     */
    @Override
    public JsonElement serialize(XapiVerb arg0, Type arg1, JsonSerializationContext arg2) {
        JsonObject result = new JsonObject();
        result.addProperty("id", arg0.getId().toString());

        // Add display
        if (arg0.hasDisplay()) {
            JsonObject theDisplay = new JsonObject();
            for (String[] s : arg0.getDisplay().getLanguageMapAsArray()) {
                theDisplay.addProperty(s[0], s[1]);
            }

            result.add("display", theDisplay);
        }

        return result;
    }

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

        String theStringIRI = JsonUtility.getElementAsString(theVerbJSON, "id");

        // Id is a required field
        if (theStringIRI == null) {
            throw new XapiBadVerbException("Verb's IRI is required");
        }

        XapiVerb theXapiVerb = new XapiVerb(theStringIRI);

        for (Map.Entry<String, JsonElement> entry : theVerbJSON.get("display").getAsJsonObject().entrySet()) {
            theXapiVerb.registerDisplay(entry.getKey(), entry.getValue().getAsString());
        }

        return theXapiVerb;
    }
}