spring security MethodSecurityExpressionRoot 源码
spring security MethodSecurityExpressionRoot 代码
文件路径：/core/src/main/java/org/springframework/security/access/expression/method/MethodSecurityExpressionRoot.java
/*
* Copyright 2002-2022 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.access.expression.method;
import java.util.function.Supplier;
import org.springframework.security.access.expression.SecurityExpressionRoot;
import org.springframework.security.core.Authentication;
/**
* Extended expression root object which contains extra method-specific functionality.
*
* @author Luke Taylor
* @author Evgeniy Cheban
* @since 3.0
*/
class MethodSecurityExpressionRoot extends SecurityExpressionRoot implements MethodSecurityExpressionOperations {
private Object filterObject;
private Object returnObject;
private Object target;
MethodSecurityExpressionRoot(Authentication a) {
super(a);
}
MethodSecurityExpressionRoot(Supplier<Authentication> authentication) {
super(authentication);
}
@Override
public void setFilterObject(Object filterObject) {
this.filterObject = filterObject;
}
@Override
public Object getFilterObject() {
return this.filterObject;
}
@Override
public void setReturnObject(Object returnObject) {
this.returnObject = returnObject;
}
@Override
public Object getReturnObject() {
return this.returnObject;
}
/**
* Sets the "this" property for use in expressions. Typically this will be the "this"
* property of the {@code JoinPoint} representing the method invocation which is being
* protected.
* @param target the target object on which the method in is being invoked.
*/
void setThis(Object target) {
this.target = target;
}
@Override
public Object getThis() {
return this.target;
}
}
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