org.bithon.agent.plugin.spring.bean.SpringBeanPlugin Maven / Gradle / Ivy

Go to download
/*
 *    Copyright 2020 bithon.org
 *
 *    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.bithon.agent.plugin.spring.bean;

import org.bithon.agent.core.aop.descriptor.InterceptorDescriptor;
import org.bithon.agent.core.aop.descriptor.MethodPointCutDescriptorBuilder;
import org.bithon.agent.core.context.AgentContext;
import org.bithon.agent.core.plugin.IPlugin;
import org.bithon.agent.core.tracing.config.TraceConfig;

import java.util.Collections;
import java.util.List;

import static org.bithon.agent.core.aop.descriptor.InterceptorDescriptorBuilder.forClass;

/**
 * @author frankchen
 */
public class SpringBeanPlugin implements IPlugin {

    @Override
    public List getInterceptors() {

        TraceConfig traceConfig = AgentContext.getInstance()
                                              .getAgentConfiguration()
                                              .getConfig(TraceConfig.class);
        if (traceConfig.isDisabled()) {
            return Collections.emptyList();
        }

        return Collections.singletonList(
            forClass("org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory")
                .debug()
                .methods(
                    MethodPointCutDescriptorBuilder.build()
                                                   .onAllMethods("createBeanInstance")
                                                   .to("org.bithon.agent.plugin.spring.bean.interceptor.CreateBeanInstanceInterceptor"),

                    MethodPointCutDescriptorBuilder.build()
                                                   .onAllMethods("applyBeanPostProcessorsBeforeInstantiation")
                                                   .to("org.bithon.agent.plugin.spring.bean.interceptor.ApplyBeanPostProcessorInterceptor")
                )
        );
    }
}