support/spring/src/org/jsecurity/spring/security/interceptor/AopAllianceAnnotationsAuthorizingMethodInterceptor.java

/*
 * Copyright 2005-2008 Les Hazlewood
 *
 * 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
 *
 *     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.spring.security.interceptor;

import org.aopalliance.intercept.MethodInterceptor;
import org.aopalliance.intercept.MethodInvocation;
import org.jsecurity.authz.aop.AnnotationsAuthorizingMethodInterceptor;

import java.lang.reflect.Method;

/**
 * @since 0.2
 * @author Les Hazlewood
 */
public class AopAllianceAnnotationsAuthorizingMethodInterceptor
        extends AnnotationsAuthorizingMethodInterceptor implements MethodInterceptor {

    protected org.jsecurity.aop.MethodInvocation createMethodInvocation(Object implSpecificMethodInvocation) {
        final MethodInvocation mi = (MethodInvocation) implSpecificMethodInvocation;

        return new org.jsecurity.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();
            }
        };
    }

    protected Object continueInvocation( Object aopAllianceMethodInvocation ) throws Throwable {
        MethodInvocation mi = (MethodInvocation)aopAllianceMethodInvocation;
        return mi.proceed();
    }

    public Object invoke( MethodInvocation methodInvocation ) throws Throwable {
        org.jsecurity.aop.MethodInvocation mi = createMethodInvocation( methodInvocation );
        return super.invoke( mi );
    }
}