org.zodiac.autoconfigure.feign.annotation.FeignConsumerConfigurerRegistrar Maven / Gradle / Ivy

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package org.zodiac.autoconfigure.feign.annotation;

import org.slf4j.Logger;
import org.springframework.beans.factory.support.AbstractBeanDefinition;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.support.BeanDefinitionRegistry;
import org.springframework.context.EnvironmentAware;
import org.springframework.context.annotation.AnnotationBeanNameGenerator;
import org.springframework.context.annotation.ImportBeanDefinitionRegistrar;
import org.springframework.core.env.Environment;
import org.springframework.core.type.AnnotationMetadata;
import org.zodiac.autoconfigure.feign.FeignContextAutoConfiguration;
import org.zodiac.commons.logging.SmartSlf4jLoggerFactory;

public class FeignConsumerConfigurerRegistrar implements ImportBeanDefinitionRegistrar, EnvironmentAware {

    protected final Logger log = SmartSlf4jLoggerFactory.getLogger(getClass());

    private Environment environment;

    protected FeignConsumerConfigurerRegistrar() {
        super();
    }

    @Override
    public void setEnvironment(Environment environment) {
        this.environment = environment;
    }

    /**
     * Spring cloud auto configuration should not be affected.
     * 
     * 
     * 
     * org.springframework.cloud.openfeign.ribbon.DefaultFeignLoadBalancedConfiguration
     * org.springframework.cloud.openfeign.ribbon.HttpClientFeignLoadBalancedConfiguration
     * org.springframework.cloud.openfeign.ribbon.OkHttpFeignLoadBalancedConfiguration
     * 
     * 
     */
    @Override
    public void registerBeanDefinitions(AnnotationMetadata metadata, BeanDefinitionRegistry registry) {
        /*Check enabled configuration*/
        if (!FeignConsumersRegistrar.isEnableConfiguration(environment)) {
            log.warn("No enabled SpringBoot and SpringCloud feign auto configurer!");
            return;
        }

        /*Not SpringCloud + Feign*/
        if (!FeignConsumersRegistrar.hasSpringCloudFeignClass()) {
            //BeanDefinitionBuilder builder = BeanDefinitionBuilder.genericBeanDefinition(FeignConsumerAutoConfiguration.class);
            BeanDefinitionBuilder builder = BeanDefinitionBuilder.genericBeanDefinition(obtainFeignConsumerConfigurationType());
            AbstractBeanDefinition definition = builder.getBeanDefinition();
            String beanName = AnnotationBeanNameGenerator.INSTANCE.generateBeanName(definition, registry);
            registry.registerBeanDefinition(beanName, definition);
        }
    }

    protected Class obtainFeignConsumerConfigurationType() {
        return FeignContextAutoConfiguration.class;
    }

}