spring FiltersMappingDescriptionProvider 源码
springboot FiltersMappingDescriptionProvider 代码
文件路径：/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/web/mappings/servlet/FiltersMappingDescriptionProvider.java
/*
* Copyright 2012-2022 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.actuate.web.mappings.servlet;
import java.util.Collections;
import java.util.List;
import java.util.stream.Collectors;
import jakarta.servlet.Filter;
import jakarta.servlet.ServletContext;
import org.springframework.aot.hint.RuntimeHints;
import org.springframework.aot.hint.RuntimeHintsRegistrar;
import org.springframework.boot.actuate.web.mappings.MappingDescriptionProvider;
import org.springframework.boot.actuate.web.mappings.servlet.FiltersMappingDescriptionProvider.FiltersMappingDescriptionProviderRuntimeHints;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.ImportRuntimeHints;
import org.springframework.context.aot.BindingReflectionHintsRegistrar;
import org.springframework.web.context.WebApplicationContext;
/**
* A {@link MappingDescriptionProvider} that describes that mappings of any {@link Filter
* Filters} registered with a {@link ServletContext}.
*
* @author Andy Wilkinson
* @since 2.0.0
*/
@ImportRuntimeHints(FiltersMappingDescriptionProviderRuntimeHints.class)
public class FiltersMappingDescriptionProvider implements MappingDescriptionProvider {
@Override
public List<FilterRegistrationMappingDescription> describeMappings(ApplicationContext context) {
if (context instanceof WebApplicationContext webApplicationContext) {
return webApplicationContext.getServletContext().getFilterRegistrations().values().stream()
.map(FilterRegistrationMappingDescription::new).collect(Collectors.toList());
}
return Collections.emptyList();
}
@Override
public String getMappingName() {
return "servletFilters";
}
static class FiltersMappingDescriptionProviderRuntimeHints implements RuntimeHintsRegistrar {
private final BindingReflectionHintsRegistrar bindingRegistrar = new BindingReflectionHintsRegistrar();
@Override
public void registerHints(RuntimeHints hints, ClassLoader classLoader) {
this.bindingRegistrar.registerReflectionHints(hints.reflection(),
FilterRegistrationMappingDescription.class);
}
}
}
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