001/* 002 * Copyright 2012-2017 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.boot.devtools.restart.classloader; 018 019/** 020 * A container for files that may be served from a {@link ClassLoader}. Can be used to 021 * represent files that have been added, modified or deleted since the original JAR was 022 * created. 023 * 024 * @author Phillip Webb 025 * @since 1.3.0 026 * @see ClassLoaderFile 027 */ 028@FunctionalInterface 029public interface ClassLoaderFileRepository { 030 031 /** 032 * Empty {@link ClassLoaderFileRepository} implementation. 033 */ 034 ClassLoaderFileRepository NONE = (name) -> null; 035 036 /** 037 * Return a {@link ClassLoaderFile} for the given name or {@code null} if no file is 038 * contained in this collection. 039 * @param name the name of the file 040 * @return a {@link ClassLoaderFile} or {@code null} 041 */ 042 ClassLoaderFile getFile(String name); 043 044}