spring security MethodSecurityExpressionHandler 源码
spring security MethodSecurityExpressionHandler 代码
文件路径：/core/src/main/java/org/springframework/security/access/expression/method/MethodSecurityExpressionHandler.java
/*
* Copyright 2002-2016 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 org.aopalliance.intercept.MethodInvocation;
import org.springframework.expression.EvaluationContext;
import org.springframework.expression.Expression;
import org.springframework.security.access.expression.SecurityExpressionHandler;
/**
* Extended expression-handler facade which adds methods which are specific to securing
* method invocations.
*
* @author Luke Taylor
* @since 3.0
*/
public interface MethodSecurityExpressionHandler extends SecurityExpressionHandler<MethodInvocation> {
/**
* Filters a target collection or array. Only applies to method invocations.
* @param filterTarget the array or collection to be filtered.
* @param filterExpression the expression which should be used as the filter
* condition. If it returns false on evaluation, the object will be removed from the
* returned collection
* @param ctx the current evaluation context (as created through a call to
* {@link #createEvaluationContext(org.springframework.security.core.Authentication, Object)}
* @return the filtered collection or array
*/
Object filter(Object filterTarget, Expression filterExpression, EvaluationContext ctx);
/**
* Used to inform the expression system of the return object for the given evaluation
* context. Only applies to method invocations.
* @param returnObject the return object value
* @param ctx the context within which the object should be set (as created through a
* call to
* {@link #createEvaluationContext(org.springframework.security.core.Authentication, Object)}
*/
void setReturnObject(Object returnObject, EvaluationContext ctx);
}
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