| /* |
| * 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.jsecurity.authz.aop; |
| |
| import org.jsecurity.aop.MethodInterceptorSupport; |
| import org.jsecurity.aop.MethodInvocation; |
| import org.jsecurity.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.jsecurity.aop.MethodInvocation#proceed proceed}()</code> |
| * if authorization is allowed by first |
| * calling {@link #assertAuthorized(org.jsecurity.aop.MethodInvocation) assertAuthorized}. |
| */ |
| public Object invoke(MethodInvocation methodInvocation) throws Throwable { |
| assertAuthorized(methodInvocation); |
| 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; |
| |
| } |