/** * PermissionsEx * Copyright (C) zml and PermissionsEx contributors * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package ninja.leaping.permissionsex.backend; import com.google.common.base.Optional; import ninja.leaping.permissionsex.backend.file.FileDataStore; import ninja.leaping.permissionsex.backend.memory.MemoryDataStore; import ninja.leaping.permissionsex.backend.sql.SqlDataStore; import java.util.Map; import java.util.concurrent.ConcurrentHashMap; public class DataStoreFactories { private static final Map<String, DataStoreFactory> REGISTRY = new ConcurrentHashMap<>(); static { register("file", FileDataStore.FACTORY); register("memory", MemoryDataStore.FACTORY); register("sql", SqlDataStore.FACTORY); } private DataStoreFactories() { } public static void register(String type, DataStoreFactory factory) { REGISTRY.put(type, factory); } public static Optional<DataStoreFactory> get(String type) { return Optional.fromNullable(REGISTRY.get(type)); } }