SpongeModPluginManager.java

/*
 * This file is part of Sponge, licensed under the MIT License (MIT).
 *
 * Copyright (c) SpongePowered <https://www.spongepowered.org>
 * 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 org.spongepowered.mod.plugin;

import static com.google.common.base.Preconditions.checkNotNull;

import com.google.common.collect.ImmutableList;
import com.google.inject.Singleton;
import net.minecraftforge.fml.common.Loader;
import net.minecraftforge.fml.common.ModContainer;
import org.spongepowered.api.plugin.PluginContainer;
import org.spongepowered.api.plugin.PluginManager;
import org.spongepowered.api.util.annotation.NonnullByDefault;

import java.util.Collection;
import java.util.List;
import java.util.Optional;

@NonnullByDefault
@Singleton
public class SpongeModPluginManager implements PluginManager {

    @Override
    public Optional<PluginContainer> getPlugin(String id) {
        checkNotNull(id, "id");
        ModContainer container = Loader.instance().getIndexedModList().get(id);
        if (container == null) {
            for (ModContainer mod : Loader.instance().getModList()) {
                if (mod.getModId().equalsIgnoreCase(id)) {
                    container = mod;
                    break;
                }
            }
        }
        return Optional.ofNullable((PluginContainer) container);
    }

    @Override
    @SuppressWarnings("unchecked")
    public Collection<PluginContainer> getPlugins() {
        return ImmutableList.copyOf((List) Loader.instance().getActiveModList());
    }

    @Override
    public Optional<PluginContainer> fromInstance(Object instance) {
        checkNotNull(instance, "instance");
        if (instance instanceof PluginContainer) {
            return Optional.of((PluginContainer) instance);
        }
        return Optional.ofNullable((PluginContainer) Loader.instance().getReversedModObjectList().get(instance));
    }

    @Override
    public boolean isLoaded(String id) {
        checkNotNull(id, "id");
        return Loader.isModLoaded(id);
    }

}