spring security MethodSecurityMetadataSourceBeanDefinitionParser 源码
spring security MethodSecurityMetadataSourceBeanDefinitionParser 代码
文件路径：/config/src/main/java/org/springframework/security/config/method/MethodSecurityMetadataSourceBeanDefinitionParser.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.config.method;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import org.w3c.dom.Element;
import org.springframework.beans.factory.support.AbstractBeanDefinition;
import org.springframework.beans.factory.support.RootBeanDefinition;
import org.springframework.beans.factory.xml.AbstractBeanDefinitionParser;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.security.access.ConfigAttribute;
import org.springframework.security.access.SecurityConfig;
import org.springframework.security.access.method.MapBasedMethodSecurityMetadataSource;
import org.springframework.security.config.Elements;
import org.springframework.util.StringUtils;
import org.springframework.util.xml.DomUtils;
/**
* @author Luke Taylor
* @since 3.1
*/
public class MethodSecurityMetadataSourceBeanDefinitionParser extends AbstractBeanDefinitionParser {
static final String ATT_METHOD = "method";
static final String ATT_ACCESS = "access";
@Override
public AbstractBeanDefinition parseInternal(Element elt, ParserContext pc) {
// Parse the included methods
List<Element> methods = DomUtils.getChildElementsByTagName(elt, Elements.PROTECT);
Map<String, List<ConfigAttribute>> mappings = new LinkedHashMap<>();
for (Element protectmethodElt : methods) {
String[] tokens = StringUtils.commaDelimitedListToStringArray(protectmethodElt.getAttribute(ATT_ACCESS));
String methodName = protectmethodElt.getAttribute(ATT_METHOD);
mappings.put(methodName, SecurityConfig.createList(tokens));
}
RootBeanDefinition metadataSource = new RootBeanDefinition(MapBasedMethodSecurityMetadataSource.class);
metadataSource.getConstructorArgumentValues().addGenericArgumentValue(mappings);
return metadataSource;
}
}
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