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

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Here is the source code for com.claresco.tinman.json.XapiStatementRefJson.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 com.claresco.tinman.lrs.XapiStatementRef;
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;

/**
 * XapiStatementRefDeserializer.java
 *
 *
 *
 *
 *
 * @author rheza
 * on Jan 27, 2014
 * 
 */

public class XapiStatementRefJson implements JsonDeserializer<XapiStatementRef>, JsonSerializer<XapiStatementRef> {

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

        result.addProperty("objectType", arg0.getObjectType());
        result.addProperty("id", arg0.getId().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 XapiStatementRef deserialize(JsonElement arg0, Type arg1, JsonDeserializationContext arg2)
            throws JsonParseException {
        JsonObject theStatementRef = JsonUtility.convertJsonElementToJsonObject(arg0);

        String theId = JsonUtility.getElementAsString(theStatementRef, "id");

        if (theId == null) {
            throw new XapiBadStatementReferenceException("Can not find reference id");
        }

        return new XapiStatementRef(theId);
    }

}