Polish #614
fangjian0423
6 years ago
parent
9757c6ac1c
commit
9de1e2dbbf
@ -0,0 +1,92 @@
|
||||
/*
|
||||
* Copyright (C) 2018 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.springframework.cloud.alibaba.sentinel;
|
||||
|
||||
import java.util.Collections;
|
||||
import java.util.List;
|
||||
import java.util.Optional;
|
||||
|
||||
import javax.annotation.PostConstruct;
|
||||
|
||||
import org.slf4j.Logger;
|
||||
import org.slf4j.LoggerFactory;
|
||||
import org.springframework.beans.factory.ObjectProvider;
|
||||
import org.springframework.beans.factory.annotation.Autowired;
|
||||
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
|
||||
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
|
||||
import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication;
|
||||
import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication.Type;
|
||||
import org.springframework.boot.context.properties.EnableConfigurationProperties;
|
||||
import org.springframework.context.annotation.Bean;
|
||||
import org.springframework.context.annotation.Configuration;
|
||||
import org.springframework.core.annotation.Order;
|
||||
import org.springframework.http.codec.ServerCodecConfigurer;
|
||||
import org.springframework.web.reactive.result.view.ViewResolver;
|
||||
|
||||
import com.alibaba.csp.sentinel.adapter.reactor.SentinelReactorTransformer;
|
||||
import com.alibaba.csp.sentinel.adapter.spring.webflux.SentinelWebFluxFilter;
|
||||
import com.alibaba.csp.sentinel.adapter.spring.webflux.callback.BlockRequestHandler;
|
||||
import com.alibaba.csp.sentinel.adapter.spring.webflux.callback.WebFluxCallbackManager;
|
||||
import com.alibaba.csp.sentinel.adapter.spring.webflux.exception.SentinelBlockExceptionHandler;
|
||||
|
||||
/**
|
||||
* @author <a href="mailto:fangjian0423@gmail.com">Jim</a>
|
||||
*/
|
||||
@Configuration
|
||||
@ConditionalOnWebApplication(type = Type.REACTIVE)
|
||||
@ConditionalOnClass(SentinelReactorTransformer.class)
|
||||
@ConditionalOnProperty(name = "spring.cloud.sentinel.enabled", matchIfMissing = true)
|
||||
@EnableConfigurationProperties(SentinelProperties.class)
|
||||
public class SentinelWebFluxAutoConfiguration {
|
||||
|
||||
private static final Logger log = LoggerFactory
|
||||
.getLogger(SentinelWebFluxAutoConfiguration.class);
|
||||
|
||||
private final List<ViewResolver> viewResolvers;
|
||||
private final ServerCodecConfigurer serverCodecConfigurer;
|
||||
|
||||
@Autowired
|
||||
private Optional<BlockRequestHandler> blockRequestHandler;
|
||||
|
||||
public SentinelWebFluxAutoConfiguration(
|
||||
ObjectProvider<List<ViewResolver>> viewResolvers,
|
||||
ServerCodecConfigurer serverCodecConfigurer) {
|
||||
this.viewResolvers = viewResolvers.getIfAvailable(Collections::emptyList);
|
||||
this.serverCodecConfigurer = serverCodecConfigurer;
|
||||
}
|
||||
|
||||
@PostConstruct
|
||||
public void init() {
|
||||
blockRequestHandler.ifPresent(WebFluxCallbackManager::setBlockHandler);
|
||||
}
|
||||
|
||||
@Bean
|
||||
@Order(-2)
|
||||
@ConditionalOnProperty(name = "spring.cloud.sentinel.filter.enabled", matchIfMissing = true)
|
||||
public SentinelBlockExceptionHandler sentinelBlockExceptionHandler() {
|
||||
return new SentinelBlockExceptionHandler(viewResolvers, serverCodecConfigurer);
|
||||
}
|
||||
|
||||
@Bean
|
||||
@Order(-1)
|
||||
@ConditionalOnProperty(name = "spring.cloud.sentinel.filter.enabled", matchIfMissing = true)
|
||||
public SentinelWebFluxFilter sentinelWebFluxFilter() {
|
||||
log.info("[Sentinel Starter] register Sentinel SentinelWebFluxFilter");
|
||||
return new SentinelWebFluxFilter();
|
||||
}
|
||||
|
||||
}
|
||||
Loading…
Reference in New Issue