AddonDescriptionJsonDeserializer.java

/**
 * This file is part of Obsidian, licensed under the MIT License (MIT).
 *
 * Copyright (c) 2013-2014 ObsidianBox <http://obsidianbox.org/>
 *
 * 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.obsidianbox.obsidian.addon;

import java.lang.reflect.Type;

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 org.obsidianbox.magma.addon.AddonDescription;
import org.obsidianbox.magma.addon.AddonMode;

public class AddonDescriptionJsonDeserializer implements JsonDeserializer<AddonDescription> {
    @Override
    public AddonDescription deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) throws JsonParseException {
        JsonObject jsonObject = json.getAsJsonObject();
        final String identifier = jsonObject.get("identifier").getAsString();
        final String name = jsonObject.get("name").getAsString();
        final String version = jsonObject.get("version").getAsString();
        final String main = jsonObject.get("main").getAsString();
        final String modeRaw = jsonObject.get("mode").getAsString();
        AddonMode mode;
        try {
            mode = AddonMode.valueOf(modeRaw);
        } catch (Exception e) {
            throw new JsonParseException(modeRaw + " is not a valid addon mode [SERVER, BOTH]");
        }
        return new AddonDescription(identifier, name, version, mode, main);
    }
}