/*
* Copyright 2014 NAVER Corp.
*
* 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 com.navercorp.pinpoint.plugin.spring.beans.interceptor;
import com.navercorp.pinpoint.bootstrap.instrument.Instrumentor;
import com.navercorp.pinpoint.bootstrap.instrument.transformer.TransformCallback;
import com.navercorp.pinpoint.bootstrap.interceptor.AroundInterceptor;
import com.navercorp.pinpoint.bootstrap.logging.PLogger;
import com.navercorp.pinpoint.bootstrap.logging.PLoggerFactory;
import com.navercorp.pinpoint.plugin.spring.beans.SpringBeansTargetScope;
import org.springframework.beans.factory.config.BeanDefinitionHolder;
import java.util.Set;
/**
* @author jaehong.kim
*/
public class ClassPathDefinitionScannerDoScanInterceptor implements AroundInterceptor {
protected final PLogger logger = PLoggerFactory.getLogger(getClass());
protected final boolean isDebug = logger.isDebugEnabled();
private final ClassLoader classLoader;
private final Instrumentor instrumentor;
private final TransformCallback transformer;
private final TargetBeanFilter filter;
public ClassPathDefinitionScannerDoScanInterceptor(final Instrumentor instrumentor, final ClassLoader classLoader, final TransformCallback transformer, final TargetBeanFilter filter) {
this.classLoader = classLoader;
this.instrumentor = instrumentor;
this.transformer = transformer;
this.filter = filter;
}
@Override
public void before(Object target, Object[] args) {
}
@Override
public void after(Object target, Object[] args, Object result, Throwable throwable) {
if (result == null || throwable != null || !(result instanceof Set)) {
return;
}
try {
final Set<Object> set = (Set<Object>) result;
for (Object o : set) {
if (o instanceof BeanDefinitionHolder) {
final BeanDefinitionHolder beanDefinitionHolder = (BeanDefinitionHolder) o;
if (filter.isTarget(SpringBeansTargetScope.COMPONENT_SCAN, beanDefinitionHolder.getBeanName(), beanDefinitionHolder.getBeanDefinition())) {
final String className = beanDefinitionHolder.getBeanDefinition().getBeanClassName();
this.instrumentor.transform(this.classLoader, className, this.transformer);
this.filter.addTransformed(className);
}
}
}
} catch (Throwable t) {
if (logger.isWarnEnabled()) {
logger.warn("AFTER. Caused:{}", t.getMessage(), t);
}
}
}
}