org.springframework.boot.autoconfigure.web.WebResourcesRuntimeHints Maven / Gradle / Ivy
/*
* Copyright 2012-2023 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.boot.autoconfigure.web;
import java.util.List;
import org.springframework.aot.hint.RuntimeHints;
import org.springframework.aot.hint.RuntimeHintsRegistrar;
/**
* {@link RuntimeHintsRegistrar} for default locations of web resources.
*
* @author Stephane Nicoll
* @since 3.0.0
*/
public class WebResourcesRuntimeHints implements RuntimeHintsRegistrar {
private static final List DEFAULT_LOCATIONS = List.of("META-INF/resources/", "resources/", "static/",
"public/");
@Override
public void registerHints(RuntimeHints hints, ClassLoader classLoader) {
ClassLoader classLoaderToUse = (classLoader != null) ? classLoader : getClass().getClassLoader();
String[] locations = DEFAULT_LOCATIONS.stream()
.filter((candidate) -> classLoaderToUse.getResource(candidate) != null)
.map((location) -> location + "*")
.toArray(String[]::new);
if (locations.length > 0) {
hints.resources().registerPattern((hint) -> hint.includes(locations));
}
}
}