io.opentracing.contrib.spring.cloud.feign.FeignContextBeanPostProcessor Maven / Gradle / Ivy
/**
* Copyright 2017-2018 The OpenTracing 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 io.opentracing.contrib.spring.cloud.feign;
import feign.opentracing.FeignSpanDecorator;
import io.opentracing.Tracer;
import java.util.List;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.config.BeanPostProcessor;
import org.springframework.cloud.openfeign.FeignContext;
/**
* @author Pavol Loffay
*/
public class FeignContextBeanPostProcessor implements BeanPostProcessor {
private Tracer tracer;
private BeanFactory beanFactory;
private List spanDecorators;
FeignContextBeanPostProcessor(Tracer tracer, BeanFactory beanFactory,
List spanDecorators) {
this.tracer = tracer;
this.beanFactory = beanFactory;
this.spanDecorators = spanDecorators;
}
@Override
public Object postProcessBeforeInitialization(Object bean, String name) throws BeansException {
if (bean instanceof FeignContext && !(bean instanceof TraceFeignContext)) {
return new TraceFeignContext(tracer, (FeignContext) bean, beanFactory, spanDecorators);
}
return bean;
}
@Override
public Object postProcessAfterInitialization(Object bean, String name) throws BeansException {
return bean;
}
}