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

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Here is the source code for com.claresco.tinman.json.XapiAgentJson.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.lang.reflect.Type;

import com.claresco.tinman.lrs.XapiAgent;
import com.claresco.tinman.lrs.XapiInverseFunctionalIdentifier;
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;

/**
 * XapiAgentDeserializer.java
 *
 *
 *
 *
 *
 * @author rheza
 * on Jan 22, 2014
 * 
 */

public class XapiAgentJson implements JsonDeserializer<XapiAgent>, JsonSerializer<XapiAgent> {

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

        if (arg0.hasName()) {
            result.addProperty("name", arg0.getName());
        }

        result.addProperty("objectType", arg0.getObjectType());

        XapiInverseFunctionalIdentifier theIdentifier = arg0.getInverseFuncId();

        if (theIdentifier.hasMbox()) {
            result.addProperty("mbox", theIdentifier.getMbox().toString());
        }

        if (theIdentifier.hasMboxSha1Sum()) {
            result.addProperty("mbox_sha1sum", theIdentifier.getMboxSha1Sum());
        }

        if (theIdentifier.hasOpenId()) {
            result.addProperty("openid", theIdentifier.getOpenId().toString());
        }

        if (theIdentifier.hasAccount()) {
            result.add("account", arg2.serialize(theIdentifier.getAccount()));
        }

        return result;
    }

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

        JsonObject localJsonObject = JsonUtility.convertJsonElementToJsonObject(arg0);

        // This to handles if the member of a group is another group
        if (localJsonObject.has("objectType")) {
            if (JsonUtility.getElementAsString(localJsonObject, "objectType").equals("Group")) {
                throw new XapiBadGroupException("A group must not have another group as its member");
            }
        }

        // Find the name of the agent
        String theName = JsonUtility.getElementAsString(localJsonObject, "name");

        // Delegate the inverse functional identifier
        XapiInverseFunctionalIdentifier theID = JsonUtility.delegateDeserialization(arg2, arg0,
                XapiInverseFunctionalIdentifier.class);

        XapiAgent theAgent = new XapiAgent(theName, theID);

        // Check if there is indeed an identifier
        if (!theAgent.isValid()) {
            throw new XapiBadAgentException("Identifier must not be null");
        }

        return theAgent;
    }

}