Make ResourceHandlerRegistrationCustomizer public
Make `ResourceHandlerRegistrationCustomizer` a public top level class. Closes gh-14587pull/14592/head
Phillip Webb
6 years ago
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/*
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* Copyright 2012-2018 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.boot.autoconfigure.web.reactive;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.boot.autoconfigure.web.ResourceProperties;
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import org.springframework.web.reactive.config.ResourceChainRegistration;
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import org.springframework.web.reactive.config.ResourceHandlerRegistration;
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import org.springframework.web.reactive.resource.AppCacheManifestTransformer;
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import org.springframework.web.reactive.resource.EncodedResourceResolver;
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import org.springframework.web.reactive.resource.ResourceResolver;
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import org.springframework.web.reactive.resource.VersionResourceResolver;
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/**
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* {@link ResourceHandlerRegistrationCustomizer} used by auto-configuration to customize
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* the resource chain.
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*
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* @author Brian Clozel
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*/
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class ResourceChainResourceHandlerRegistrationCustomizer
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implements ResourceHandlerRegistrationCustomizer {
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@Autowired
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private ResourceProperties resourceProperties = new ResourceProperties();
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@Override
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public void customize(ResourceHandlerRegistration registration) {
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ResourceProperties.Chain properties = this.resourceProperties.getChain();
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configureResourceChain(properties,
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registration.resourceChain(properties.isCache()));
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}
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private void configureResourceChain(ResourceProperties.Chain properties,
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ResourceChainRegistration chain) {
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ResourceProperties.Strategy strategy = properties.getStrategy();
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if (properties.isCompressed()) {
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chain.addResolver(new EncodedResourceResolver());
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}
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if (strategy.getFixed().isEnabled() || strategy.getContent().isEnabled()) {
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chain.addResolver(getVersionResourceResolver(strategy));
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}
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if (properties.isHtmlApplicationCache()) {
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chain.addTransformer(new AppCacheManifestTransformer());
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}
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}
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private ResourceResolver getVersionResourceResolver(
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ResourceProperties.Strategy properties) {
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VersionResourceResolver resolver = new VersionResourceResolver();
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if (properties.getFixed().isEnabled()) {
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String version = properties.getFixed().getVersion();
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String[] paths = properties.getFixed().getPaths();
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resolver.addFixedVersionStrategy(version, paths);
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}
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if (properties.getContent().isEnabled()) {
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String[] paths = properties.getContent().getPaths();
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resolver.addContentVersionStrategy(paths);
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}
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return resolver;
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}
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}
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@ -0,0 +1,36 @@
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/*
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* Copyright 2012-2018 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.boot.autoconfigure.web.reactive;
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import org.springframework.web.reactive.config.ResourceHandlerRegistration;
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/**
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* Callback interface that can be used to customize {@link ResourceHandlerRegistration}.
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*
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* @author Brian Clozel
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* @since 2.1.0
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*/
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@FunctionalInterface
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public interface ResourceHandlerRegistrationCustomizer {
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/**
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* Customize the given {@link ResourceHandlerRegistration}.
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* @param registration the registration to customize
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*/
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void customize(ResourceHandlerRegistration registration);
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}
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