blade-tool/blade-core-cloud/src/main/java/org/springblade/core/cloud/feign/BladeFeignAutoConfiguration...

97 lines
3.5 KiB
Java

/*
* Copyright 2013-2015 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 org.springblade.core.cloud.feign;
import com.netflix.hystrix.HystrixCommand;
import feign.Contract;
import feign.Feign;
import feign.RequestInterceptor;
import feign.hystrix.HystrixFeign;
import org.springblade.core.tool.convert.EnumToStringConverter;
import org.springblade.core.tool.convert.StringToEnumConverter;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.beans.factory.config.ConfigurableBeanFactory;
import org.springframework.boot.autoconfigure.AutoConfigureAfter;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.cloud.openfeign.BladeFeignClientsRegistrar;
import org.springframework.cloud.openfeign.BladeHystrixTargeter;
import org.springframework.cloud.openfeign.EnableFeignClients;
import org.springframework.cloud.openfeign.Targeter;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;
import org.springframework.context.annotation.Scope;
import org.springframework.core.convert.ConversionService;
import org.springframework.core.convert.converter.ConverterRegistry;
import java.util.ArrayList;
/**
* blade feign 增强配置
*
* @author L.cm
*/
@Configuration
@ConditionalOnClass(Feign.class)
@Import(BladeFeignClientsRegistrar.class)
@AutoConfigureAfter(EnableFeignClients.class)
public class BladeFeignAutoConfiguration {
@Bean
@ConditionalOnMissingBean(Targeter.class)
public Targeter bladeFeignTargeter() {
return new BladeHystrixTargeter();
}
@Configuration("hystrixFeignConfiguration")
@ConditionalOnClass({ HystrixCommand.class, HystrixFeign.class })
protected static class HystrixFeignConfiguration {
@Bean
@Scope(ConfigurableBeanFactory.SCOPE_PROTOTYPE)
@ConditionalOnProperty("feign.hystrix.enabled")
public Feign.Builder feignHystrixBuilder(
RequestInterceptor requestInterceptor, Contract feignContract) {
return HystrixFeign.builder()
.contract(feignContract)
.decode404()
.requestInterceptor(requestInterceptor);
}
@Bean
@ConditionalOnMissingBean
public RequestInterceptor requestInterceptor() {
return new BladeFeignRequestHeaderInterceptor();
}
}
/**
* blade enum 《-》 String 转换配置
* @param conversionService ConversionService
* @return SpringMvcContract
*/
@Bean
public Contract feignContract(@Qualifier("mvcConversionService") ConversionService conversionService) {
ConverterRegistry converterRegistry = ((ConverterRegistry) conversionService);
converterRegistry.addConverter(new EnumToStringConverter());
converterRegistry.addConverter(new StringToEnumConverter());
return new BladeSpringMvcContract(new ArrayList<>(), conversionService);
}
}