/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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
*
* http://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.apache.shiro.spring.security.interceptor;
import org.aopalliance.intercept.MethodInterceptor;
import org.aopalliance.intercept.MethodInvocation;
import org.apache.shiro.authz.aop.AnnotationsAuthorizingMethodInterceptor;
import java.lang.reflect.Method;
/**
* Allows Shiro Annotations to work in any <a href="http://aopalliance.sourceforge.net/">AOP Alliance</a>
* specific implementation environment (for example, Spring).
*
* @author Les Hazlewood
* @since 0.2
*/
public class AopAllianceAnnotationsAuthorizingMethodInterceptor
extends AnnotationsAuthorizingMethodInterceptor implements MethodInterceptor {
/**
* Creates a {@link MethodInvocation MethodInvocation} that wraps an
* {@link org.aopalliance.intercept.MethodInvocation org.aopalliance.intercept.MethodInvocation} instance,
* enabling Shiro Annotations in <a href="http://aopalliance.sourceforge.net/">AOP Alliance</a> environments
* (Spring, etc).
*
* @param implSpecificMethodInvocation AOP Alliance {@link org.aopalliance.intercept.MethodInvocation MethodInvocation}
* @return a Shiro {@link MethodInvocation MethodInvocation} instance that wraps the AOP Alliance instance.
*/
protected org.apache.shiro.aop.MethodInvocation createMethodInvocation(Object implSpecificMethodInvocation) {
final MethodInvocation mi = (MethodInvocation) implSpecificMethodInvocation;
return new org.apache.shiro.aop.MethodInvocation() {
public Method getMethod() {
return mi.getMethod();
}
public Object[] getArguments() {
return mi.getArguments();
}
public String toString() {
return "Method invocation [" + mi.getMethod() + "]";
}
public Object proceed() throws Throwable {
return mi.proceed();
}
public Object getThis() {
return mi.getThis();
}
};
}
/**
* Simply casts the method argument to an
* {@link org.aopalliance.intercept.MethodInvocation org.aopalliance.intercept.MethodInvocation} and then
* calls <code>methodInvocation.{@link org.aopalliance.intercept.MethodInvocation#proceed proceed}()</code>
*
* @param aopAllianceMethodInvocation the {@link org.aopalliance.intercept.MethodInvocation org.aopalliance.intercept.MethodInvocation}
* @return the {@link org.aopalliance.intercept.MethodInvocation#proceed() org.aopalliance.intercept.MethodInvocation.proceed()} method call result.
* @throws Throwable if the underlying AOP Alliance <code>proceed()</code> call throws a <code>Throwable</code>.
*/
protected Object continueInvocation(Object aopAllianceMethodInvocation) throws Throwable {
MethodInvocation mi = (MethodInvocation) aopAllianceMethodInvocation;
return mi.proceed();
}
/**
* Creates a Shiro {@link MethodInvocation MethodInvocation} instance and then immediately calls
* {@link org.apache.shiro.authz.aop.AuthorizingMethodInterceptor#invoke super.invoke}.
*
* @param methodInvocation the AOP Alliance-specific <code>methodInvocation</code> instance.
* @return the return value from invoking the method invocation.
* @throws Throwable if the underlying AOP Alliance method invocation throws a <code>Throwable</code>.
*/
public Object invoke(MethodInvocation methodInvocation) throws Throwable {
org.apache.shiro.aop.MethodInvocation mi = createMethodInvocation(methodInvocation);
return super.invoke(mi);
}
}