de.codecentric.spring.boot.chaos.monkey.watcher.SpringControllerAspect Maven / Gradle / Ivy

/*
 * Copyright 2018 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
 *
 *     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 de.codecentric.spring.boot.chaos.monkey.watcher;

import de.codecentric.spring.boot.chaos.monkey.component.ChaosMonkey;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Pointcut;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * @author Benjamin Wilms
 */

@Aspect
public class SpringControllerAspect extends ChaosMonkeyBaseAspect{
    private static final Logger LOGGER = LoggerFactory.getLogger(SpringControllerAspect.class);

    private final ChaosMonkey chaosMonkey;

    public SpringControllerAspect(ChaosMonkey chaosMonkey) {
        this.chaosMonkey = chaosMonkey;
    }

    @Pointcut("within(@org.springframework.stereotype.Controller *)")
    public void classAnnotatedWithControllerPointcut() {
    }

    @Pointcut("execution(* *.*(..))")
    public void allPublicMethodPointcut() {
    }

    @Around("classAnnotatedWithControllerPointcut() && allPublicMethodPointcut() && !classInChaosMonkeyPackage()")
    public Object intercept(ProceedingJoinPoint pjp) throws Throwable {
        LOGGER.debug(LOGGER.isDebugEnabled() ? "Controller class and public method detected: " + pjp.getSignature() : null);

        chaosMonkey.callChaosMonkey();

        return pjp.proceed();
    }

}