Arakne / SwfLangLoader

 * This file is part of ArakneLangLoader.

 *

 * ArakneLangLoader is free software: you can redistribute it and/or modify

 * it under the terms of the GNU Lesser General Public License as published by

 * the Free Software Foundation, either version 3 of the License, or

 * (at your option) any later version.

 *

 * ArakneLangLoader is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public License

 * along with ArakneLangLoader.  If not, see <https://www.gnu.org/licenses/>.

 *

 * Copyright (c) 2020 Vincent Quatrevieux

 */

package fr.arakne.swflangloader.lang;

import com.google.gson.JsonElement;

import fr.arakne.swflangloader.loader.AbstractSwfFile;

import fr.arakne.swflangloader.loader.SwfFileLoader;

import fr.arakne.swflangloader.parser.mapper.MapperHydrator;

import fr.arakne.swflangloader.parser.mapper.SwfDefault;

import java.io.IOException;

import java.net.URL;

import java.util.Collections;

import java.util.HashMap;

import java.util.Map;

import java.util.NoSuchElementException;

/**

 * Simple lang file structure

 * Forward all variable to a default field

 */

public class BaseLangFile extends AbstractSwfFile implements JsonMapGetter {

    final static private MapperHydrator<BaseLangFile> HYDRATOR = MapperHydrator.parseAnnotations(BaseLangFile.class);

    @SwfDefault

    final protected Map<String, Object> values = new HashMap<>();

    final static public class AssocVariable implements JsonMapGetter {

        final private String varName;

        final private Map<String, JsonElement> assoc;

        public AssocVariable(String varName, Map<String, JsonElement> assoc) {

            this.varName = varName;

            this.assoc = assoc;

        }

        @Override

        public JsonElement json(String variable) {

            if (!assoc.containsKey(variable)) {

                throw new NoSuchElementException("The variable " + varName + "[" + variable + "] is not found");

            }

            return assoc.get(variable);

        }

        /**

         * @return All elements

         */

        public Map<String, JsonElement> all() {

            return Collections.unmodifiableMap(assoc);

        }

    }

    /**

     * Get a raw JSON element value

     *

     * @param variable The variable name

     *

     * @return The variable value

     */

    final public JsonElement json(String variable) {

        final Object value = values.get(variable);

        if (value instanceof JsonElement) {

            return (JsonElement) value;

        }

        throw new NoSuchElementException("Variable " + variable + " is not found or not a valid JSON value");

    }

    /**

     * Get an associative variable

     *

     * @param variableName The variable name

     *

     * @return The associative value

     */

    static public BaseLangFile load(URL url, SwfFileLoader loader) throws IOException, InterruptedException {

        BaseLangFile file = new BaseLangFile();

        loader.load(url, file, HYDRATOR);

        return file;

    }

}