org.mgenterprises.openbooks.saving.AbstractSaveableAdapter.java Source code

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Here is the source code for org.mgenterprises.openbooks.saving.AbstractSaveableAdapter.java

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/*
 * The MIT License
 *
 * Copyright 2014 MG Enterprises Consulting LLC.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package org.mgenterprises.openbooks.saving;

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.JsonPrimitive;
import com.google.gson.JsonSerializationContext;
import com.google.gson.JsonSerializer;
import java.lang.reflect.Type;
import javax.swing.text.AbstractDocument.AbstractElement;

/**
 *
 * @author Manuel Gauto
 */
public class AbstractSaveableAdapter implements JsonSerializer<Saveable>, JsonDeserializer<Saveable> {
    @Override
    public JsonElement serialize(Saveable src, Type typeOfSrc, JsonSerializationContext context) {
        JsonObject result = new JsonObject();
        result.add("type", new JsonPrimitive(src.getClass().getCanonicalName()));
        result.add("properties", context.serialize(src, src.getClass()));

        return result;
    }

    @Override
    public Saveable deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
            throws JsonParseException {
        JsonObject jsonObject = json.getAsJsonObject();
        String type = jsonObject.get("type").getAsString();
        JsonElement element = jsonObject.get("properties");

        try {
            return context.deserialize(element, Class.forName(type));
        } catch (ClassNotFoundException cnfe) {
            throw new JsonParseException("Unknown element type: " + type, cnfe);
        }
    }
}