spring CorsRegistry 源码
spring CorsRegistry 代码
文件路径：/spring-webmvc/src/main/java/org/springframework/web/servlet/config/annotation/CorsRegistry.java
/*
* Copyright 2002-2020 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.config.annotation;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.springframework.util.CollectionUtils;
import org.springframework.web.cors.CorsConfiguration;
/**
* Assists with the registration of global, URL pattern based
* {@link CorsConfiguration} mappings.
*
* @author Sebastien Deleuze
* @author Rossen Stoyanchev
* @since 4.2
* @see CorsRegistration
*/
public class CorsRegistry {
private final List<CorsRegistration> registrations = new ArrayList<>();
/**
* Enable cross-origin request handling for the specified path pattern.
* <p>Exact path mapping URIs (such as {@code "/admin"}) are supported as
* well as Ant-style path patterns (such as {@code "/admin/**"}).
* <p>By default, the {@code CorsConfiguration} for this mapping is
* initialized with default values as described in
* {@link CorsConfiguration#applyPermitDefaultValues()}.
*/
public CorsRegistration addMapping(String pathPattern) {
CorsRegistration registration = new CorsRegistration(pathPattern);
this.registrations.add(registration);
return registration;
}
/**
* Return the registered {@link CorsConfiguration} objects,
* keyed by path pattern.
*/
protected Map<String, CorsConfiguration> getCorsConfigurations() {
Map<String, CorsConfiguration> configs = CollectionUtils.newLinkedHashMap(this.registrations.size());
for (CorsRegistration registration : this.registrations) {
configs.put(registration.getPathPattern(), registration.getCorsConfiguration());
}
return configs;
}
}
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