org.springframework.security.core.context.InheritableThreadLocalSecurityContextHolderStrategy Maven / Gradle / Ivy
/*
* Copyright 2004, 2005, 2006 Acegi Technology Pty Limited
*
* 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.core.context;
import org.springframework.util.Assert;
/**
* An InheritableThreadLocal-based implementation of
* {@link org.springframework.security.core.context.SecurityContextHolderStrategy}.
*
* @author Ben Alex
* @see java.lang.ThreadLocal
*/
final class InheritableThreadLocalSecurityContextHolderStrategy implements SecurityContextHolderStrategy {
private static final ThreadLocal contextHolder = new InheritableThreadLocal<>();
@Override
public void clearContext() {
contextHolder.remove();
}
@Override
public SecurityContext getContext() {
SecurityContext ctx = contextHolder.get();
if (ctx == null) {
ctx = createEmptyContext();
contextHolder.set(ctx);
}
return ctx;
}
@Override
public void setContext(SecurityContext context) {
Assert.notNull(context, "Only non-null SecurityContext instances are permitted");
contextHolder.set(context);
}
@Override
public SecurityContext createEmptyContext() {
return new SecurityContextImpl();
}
}