spring MethodBeforeAdviceInterceptor 源码

  • 2022-08-08
  • 浏览 (324)

spring MethodBeforeAdviceInterceptor 代码

文件路径:/spring-aop/src/main/java/org/springframework/aop/framework/adapter/MethodBeforeAdviceInterceptor.java

/*
 * Copyright 2002-2020 the original author or authors.
 *
 * 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.aop.framework.adapter;

import java.io.Serializable;

import org.aopalliance.intercept.MethodInterceptor;
import org.aopalliance.intercept.MethodInvocation;

import org.springframework.aop.BeforeAdvice;
import org.springframework.aop.MethodBeforeAdvice;
import org.springframework.lang.Nullable;
import org.springframework.util.Assert;

/**
 * Interceptor to wrap a {@link MethodBeforeAdvice}.
 * <p>Used internally by the AOP framework; application developers should not
 * need to use this class directly.
 *
 * @author Rod Johnson
 * @see AfterReturningAdviceInterceptor
 * @see ThrowsAdviceInterceptor
 */
@SuppressWarnings("serial")
public class MethodBeforeAdviceInterceptor implements MethodInterceptor, BeforeAdvice, Serializable {

	private final MethodBeforeAdvice advice;


	/**
	 * Create a new MethodBeforeAdviceInterceptor for the given advice.
	 * @param advice the MethodBeforeAdvice to wrap
	 */
	public MethodBeforeAdviceInterceptor(MethodBeforeAdvice advice) {
		Assert.notNull(advice, "Advice must not be null");
		this.advice = advice;
	}


	@Override
	@Nullable
	public Object invoke(MethodInvocation mi) throws Throwable {
		this.advice.before(mi.getMethod(), mi.getArguments(), mi.getThis());
		return mi.proceed();
	}

}

相关信息

spring 源码目录

相关文章

spring AdvisorAdapter 源码

spring AdvisorAdapterRegistrationManager 源码

spring AdvisorAdapterRegistry 源码

spring AfterReturningAdviceAdapter 源码

spring AfterReturningAdviceInterceptor 源码

spring DefaultAdvisorAdapterRegistry 源码

spring GlobalAdvisorAdapterRegistry 源码

spring MethodBeforeAdviceAdapter 源码

spring ThrowsAdviceAdapter 源码

spring ThrowsAdviceInterceptor 源码

0  赞