FoundationsConfigurationService.java

/*
 * This file is part of FoundationsCore, licensed under the MIT License (MIT).
 *
 * Copyright (c) 2016 - 2016 Hunar Roop (KingGoesGaming) Kahlon <http://www.kinggoesgaming.com>
 * Copyright (c) Contributors
 *
 * 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 com.kinggoesgaming.foundations.core.services;

import com.kinggoesgaming.foundations.api.configuration.Configuration;
import com.kinggoesgaming.foundations.api.services.ConfigurationService;

import java.io.IOException;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.util.HashMap;
import java.util.Map;
import java.util.Optional;

/**
 * The {@link com.kinggoesgaming.foundations.core.FoundationsCore} implementation of {@link ConfigurationService}.
 */
public class FoundationsConfigurationService implements ConfigurationService {

    private Map<String, Map<String, Configuration>> configMap = new HashMap<>();

    @Override
    public Optional<Configuration> get(String plugin, String key) {
        if (configMap.containsKey(plugin)) {
            Map<String, Configuration> localMap = configMap.get(plugin);

            if (localMap.containsKey(key)) {
                return Optional.of(localMap.get(key));
            }
        }

        return Optional.empty();
    }

    @Override
    public void register(String plugin, String key, Class<? extends Configuration> configClazz) {
        Configuration config = null;

        try {
            for (Constructor<?> constructor : configClazz.getConstructors()) {
                if (constructor.getParameterCount() == 0) {
                    constructor.setAccessible(true);
                    config = (Configuration) constructor.newInstance();
                }
            }
        } catch (InstantiationException | IllegalAccessException | InvocationTargetException e) {
            e.printStackTrace();
        }

        if (config != null) {
            Map<String, Configuration> localMap;

            if (configMap.containsKey(plugin)) {
                localMap = configMap.get(plugin);
            } else {
                localMap = new HashMap<>();
            }

            localMap.put(key, config);
            configMap.put(plugin, localMap);
        }
    }

    @Override
    public void register(String plugin, String key, Class<? extends Configuration> configClazz, Object[] parameters) {
        Configuration config = null;

        try {
            for (Constructor<?> constructor : configClazz.getConstructors()) {
                if (constructor.getParameterCount() == parameters.length) {
                    constructor.setAccessible(true);
                    config = (Configuration) constructor.newInstance(parameters);
                }
            }
        } catch (IllegalAccessException | InstantiationException | InvocationTargetException e) {
            e.printStackTrace();
        }

        if (config != null) {
            Map<String, Configuration> localMap;

            if (configMap.containsKey(plugin)) {
                localMap = configMap.get(plugin);
            } else {
                localMap = new HashMap<>();
            }

            localMap.put(key, config);
            configMap.put(plugin, localMap);
        }
    }

    @Override
    public void register(String plugin, String key, Configuration config) {
        Map<String, Configuration> localMap;

        if (configMap.containsKey(plugin)) {
            localMap = configMap.get(plugin);
        } else {
            localMap = new HashMap<>();
        }

        localMap.put(key, config);
        configMap.put(plugin, localMap);
    }

    @Override
    public void saveAll() {
        configMap.forEach((plugin, map) -> map.forEach((key, config) -> {
            try {
                config.save();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }));
    }

    @Override
    public void saveAll(String plugin) {

        if (configMap.containsKey(plugin)) {
            configMap.get(plugin).forEach((key, config) -> {
                try {
                    config.save();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            });
        }
    }

    @Override
    public void unregister(String plugin, String key) {
        if (configMap.containsKey(plugin)) {
            Map<String, Configuration> localMap = configMap.get(plugin);

            if (localMap.containsKey(key)) {
                try {
                    localMap.get(key).save();
                } catch (IOException e) {
                    e.printStackTrace();
                }
                localMap.remove(key);
            }
        }
    }
}