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package org.apache.shiro.authz.aop;

import org.apache.shiro.aop.MethodInterceptorSupport;
import org.apache.shiro.aop.MethodInvocation;
import org.apache.shiro.authz.AuthorizationException;

 * Basic abstract class to support intercepting methods that perform authorization (access control) checks.
 * @author Les Hazlewood
 * @since 0.9
public abstract class AuthorizingMethodInterceptor extends MethodInterceptorSupport {

     * Invokes the specified method (<code>methodInvocation.{@link org.apache.shiro.aop.MethodInvocation#proceed proceed}()</code>
     * if authorization is allowed by first
     * calling {@link #assertAuthorized(org.apache.shiro.aop.MethodInvocation) assertAuthorized}.
    public Object invoke(MethodInvocation methodInvocation) throws Throwable {
        return methodInvocation.proceed();

     * Asserts that the specified MethodInvocation is allowed to continue by performing any necessary authorization
     * (access control) checks first.
     * @param methodInvocation the <code>MethodInvocation</code> to invoke.
     * @throws AuthorizationException if the <code>methodInvocation</code> should not be allowed to continue/execute.
    protected abstract void assertAuthorized(MethodInvocation methodInvocation) throws AuthorizationException;

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