spring security MethodSecuritySelector 源码
spring security MethodSecuritySelector 代码
文件路径：/config/src/main/java/org/springframework/security/config/annotation/method/configuration/MethodSecuritySelector.java
/*
* Copyright 2002-2021 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.annotation.method.configuration;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.springframework.context.annotation.AdviceMode;
import org.springframework.context.annotation.AdviceModeImportSelector;
import org.springframework.context.annotation.AutoProxyRegistrar;
import org.springframework.context.annotation.ImportSelector;
import org.springframework.core.type.AnnotationMetadata;
import org.springframework.lang.NonNull;
/**
* Dynamically determines which imports to include using the {@link EnableMethodSecurity}
* annotation.
*
* @author Evgeniy Cheban
* @author Josh Cummings
* @since 5.6
*/
final class MethodSecuritySelector implements ImportSelector {
private final ImportSelector autoProxy = new AutoProxyRegistrarSelector();
@Override
public String[] selectImports(@NonNull AnnotationMetadata importMetadata) {
if (!importMetadata.hasAnnotation(EnableMethodSecurity.class.getName())) {
return new String[0];
}
EnableMethodSecurity annotation = importMetadata.getAnnotations().get(EnableMethodSecurity.class).synthesize();
List<String> imports = new ArrayList<>(Arrays.asList(this.autoProxy.selectImports(importMetadata)));
if (annotation.prePostEnabled()) {
imports.add(PrePostMethodSecurityConfiguration.class.getName());
}
if (annotation.securedEnabled()) {
imports.add(SecuredMethodSecurityConfiguration.class.getName());
}
if (annotation.jsr250Enabled()) {
imports.add(Jsr250MethodSecurityConfiguration.class.getName());
}
return imports.toArray(new String[0]);
}
private static final class AutoProxyRegistrarSelector extends AdviceModeImportSelector<EnableMethodSecurity> {
private static final String[] IMPORTS = new String[] { AutoProxyRegistrar.class.getName() };
@Override
protected String[] selectImports(@NonNull AdviceMode adviceMode) {
if (adviceMode == AdviceMode.PROXY) {
return IMPORTS;
}
throw new IllegalStateException("AdviceMode '" + adviceMode + "' is not supported");
}
}
}
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