org.springframework.beans.factory.support.SimpleSecurityContextProvider Maven / Gradle / Ivy
/*
* Copyright 2002-2018 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.beans.factory.support;
import java.security.AccessControlContext;
import java.security.AccessController;
import org.springframework.lang.Nullable;
/**
* Simple {@link SecurityContextProvider} implementation.
*
* @author Costin Leau
* @since 3.0
*/
public class SimpleSecurityContextProvider implements SecurityContextProvider {
@Nullable
private final AccessControlContext acc;
/**
* Construct a new {@code SimpleSecurityContextProvider} instance.
* The security context will be retrieved on each call from the current
* thread.
*/
public SimpleSecurityContextProvider() {
this(null);
}
/**
* Construct a new {@code SimpleSecurityContextProvider} instance.
*
If the given control context is null, the security context will be
* retrieved on each call from the current thread.
* @param acc access control context (can be {@code null})
* @see AccessController#getContext()
*/
public SimpleSecurityContextProvider(@Nullable AccessControlContext acc) {
this.acc = acc;
}
@Override
public AccessControlContext getAccessControlContext() {
return (this.acc != null ? this.acc : AccessController.getContext());
}
}