001/* 002 * Copyright 2002-2016 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 * https://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.web.servlet.resource; 018 019import org.springframework.core.io.Resource; 020 021/** 022 * Interface for a resource descriptor that describes its version with a 023 * version string that can be derived from its content and/or metadata. 024 * 025 * @author Brian Clozel 026 * @since 4.2.5 027 * @see VersionResourceResolver 028 */ 029public interface VersionedResource extends Resource { 030 031 String getVersion(); 032 033}