org.springframework.web.servlet.resource.VersionPathStrategy Maven / Gradle / Ivy
/*
* Copyright 2002-2015 the original author or authors.
*
* 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
*
* https://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 org.springframework.web.servlet.resource;
import org.springframework.lang.Nullable;
/**
* A strategy for extracting and embedding a resource version in its URL path.
*
* @author Brian Clozel
* @author Rossen Stoyanchev
* @since 4.1
*/
public interface VersionPathStrategy {
/**
* Extract the resource version from the request path.
* @param requestPath the request path to check
* @return the version string or {@code null} if none was found
*/
@Nullable
String extractVersion(String requestPath);
/**
* Remove the version from the request path. It is assumed that the given
* version was extracted via {@link #extractVersion(String)}.
* @param requestPath the request path of the resource being resolved
* @param version the version obtained from {@link #extractVersion(String)}
* @return the request path with the version removed
*/
String removeVersion(String requestPath, String version);
/**
* Add a version to the given request path.
* @param requestPath the requestPath
* @param version the version
* @return the requestPath updated with a version string
*/
String addVersion(String requestPath, String version);
}