spring security MethodSecurityInterceptor 源码
spring security MethodSecurityInterceptor 代码
文件路径：/core/src/main/java/org/springframework/security/access/intercept/aopalliance/MethodSecurityInterceptor.java
/*
* Copyright 2004, 2005, 2006 Acegi Technology Pty Limited
*
* 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.intercept.aopalliance;
import org.aopalliance.intercept.MethodInterceptor;
import org.aopalliance.intercept.MethodInvocation;
import org.springframework.security.access.SecurityMetadataSource;
import org.springframework.security.access.intercept.AbstractSecurityInterceptor;
import org.springframework.security.access.intercept.InterceptorStatusToken;
import org.springframework.security.access.method.MethodSecurityMetadataSource;
/**
* Provides security interception of AOP Alliance based method invocations.
* <p>
* The <code>SecurityMetadataSource</code> required by this security interceptor is of
* type {@link MethodSecurityMetadataSource}. This is shared with the AspectJ based
* security interceptor (<code>AspectJSecurityInterceptor</code>), since both work with
* Java <code>Method</code>s.
* <p>
* Refer to {@link AbstractSecurityInterceptor} for details on the workflow.
*
* @author Ben Alex
* @author Rob Winch
*/
public class MethodSecurityInterceptor extends AbstractSecurityInterceptor implements MethodInterceptor {
private MethodSecurityMetadataSource securityMetadataSource;
@Override
public Class<?> getSecureObjectClass() {
return MethodInvocation.class;
}
/**
* This method should be used to enforce security on a <code>MethodInvocation</code>.
* @param mi The method being invoked which requires a security decision
* @return The returned value from the method invocation (possibly modified by the
* {@code AfterInvocationManager}).
* @throws Throwable if any error occurs
*/
@Override
public Object invoke(MethodInvocation mi) throws Throwable {
InterceptorStatusToken token = super.beforeInvocation(mi);
Object result;
try {
result = mi.proceed();
}
finally {
super.finallyInvocation(token);
}
return super.afterInvocation(token, result);
}
public MethodSecurityMetadataSource getSecurityMetadataSource() {
return this.securityMetadataSource;
}
@Override
public SecurityMetadataSource obtainSecurityMetadataSource() {
return this.securityMetadataSource;
}
public void setSecurityMetadataSource(MethodSecurityMetadataSource newSource) {
this.securityMetadataSource = newSource;
}
}
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