spring-authorization-server ProviderContextHolder 源码
spring-authorization-server ProviderContextHolder 代码
文件路径：/oauth2-authorization-server/src/main/java/org/springframework/security/oauth2/server/authorization/context/ProviderContextHolder.java
/*
* Copyright 2020-2022 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.security.oauth2.server.authorization.context;
import org.springframework.security.oauth2.server.authorization.web.ProviderContextFilter;
/**
* A holder of {@link ProviderContext} that associates it with the current thread using a {@code ThreadLocal}.
*
* @author Joe Grandja
* @since 0.2.2
* @see ProviderContext
* @see ProviderContextFilter
*/
public final class ProviderContextHolder {
private static final ThreadLocal<ProviderContext> holder = new ThreadLocal<>();
private ProviderContextHolder() {
}
/**
* Returns the {@link ProviderContext} bound to the current thread.
*
* @return the {@link ProviderContext}
*/
public static ProviderContext getProviderContext() {
return holder.get();
}
/**
* Bind the given {@link ProviderContext} to the current thread.
*
* @param providerContext the {@link ProviderContext}
*/
public static void setProviderContext(ProviderContext providerContext) {
if (providerContext == null) {
resetProviderContext();
} else {
holder.set(providerContext);
}
}
/**
* Reset the {@link ProviderContext} bound to the current thread.
*/
public static void resetProviderContext() {
holder.remove();
}
}
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