spring security MethodConfigUtils 源码
spring security MethodConfigUtils 代码
文件路径：/config/src/main/java/org/springframework/security/config/method/MethodConfigUtils.java
/*
* Copyright 2002-2012 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.config.method;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.support.ManagedList;
import org.springframework.beans.factory.support.RootBeanDefinition;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.security.access.AccessDecisionVoter;
import org.springframework.security.access.vote.AffirmativeBased;
import org.springframework.security.access.vote.AuthenticatedVoter;
import org.springframework.security.access.vote.RoleVoter;
import org.springframework.security.config.BeanIds;
/**
* Utility methods used internally by the Spring Security namespace configuration code.
*
* @author Luke Taylor
* @author Ben Alex
* @author Rob Winch
*/
abstract class MethodConfigUtils {
@SuppressWarnings("unchecked")
static void registerDefaultMethodAccessManagerIfNecessary(ParserContext parserContext) {
if (!parserContext.getRegistry().containsBeanDefinition(BeanIds.METHOD_ACCESS_MANAGER)) {
parserContext.getRegistry().registerBeanDefinition(BeanIds.METHOD_ACCESS_MANAGER,
createAccessManagerBean(RoleVoter.class, AuthenticatedVoter.class));
}
}
@SuppressWarnings("unchecked")
private static RootBeanDefinition createAccessManagerBean(Class<? extends AccessDecisionVoter>... voters) {
ManagedList defaultVoters = new ManagedList(voters.length);
for (Class<? extends AccessDecisionVoter> voter : voters) {
defaultVoters.add(new RootBeanDefinition(voter));
}
BeanDefinitionBuilder accessMgrBuilder = BeanDefinitionBuilder.rootBeanDefinition(AffirmativeBased.class);
accessMgrBuilder.addConstructorArgValue(defaultVoters);
return (RootBeanDefinition) accessMgrBuilder.getBeanDefinition();
}
}
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