001/* 002 * Configurate 003 * Copyright (C) zml and Configurate contributors 004 * 005 * Licensed under the Apache License, Version 2.0 (the "License"); 006 * you may not use this file except in compliance with the License. 007 * You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package ninja.leaping.configurate.util; 018 019import java.util.function.Supplier; 020 021/** 022 * A functional interface similar to Supplier, except allowing contained methods to throw exceptions 023 * 024 * @param <V> The value returned 025 * @param <E> The exception type thrown 026 */ 027@FunctionalInterface 028public interface CheckedSupplier<V, E extends Throwable> { 029 V get() throws E; 030 031 /** 032 * Create an instance from an ordinary supplier 033 * 034 * @param consumer The supplier to convert 035 * @param <V> The type returned by the consumer 036 * @return A function that executes the provided consumer 037 */ 038 static <V> CheckedSupplier<V, RuntimeException> fromSupplier(Supplier<V> consumer) { 039 return consumer::get; 040 } 041}