feat: initial iShare project code
This commit is contained in:
purovps
40
pigx-common/pigx-common-sentinel/pom.xml
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40
pigx-common/pigx-common-sentinel/pom.xml
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@@ -0,0 +1,40 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<parent>
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<groupId>com.pig4cloud</groupId>
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<artifactId>pigx-common</artifactId>
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<version>5.2.0</version>
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</parent>
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<modelVersion>4.0.0</modelVersion>
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<packaging>jar</packaging>
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<artifactId>pigx-common-sentinel</artifactId>
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<description>sentinel服务降级熔断、限流组件</description>
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<dependencies>
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<dependency>
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<groupId>com.pig4cloud</groupId>
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<artifactId>pigx-common-core</artifactId>
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</dependency>
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<dependency>
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<groupId>com.alibaba.cloud</groupId>
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<artifactId>spring-cloud-starter-alibaba-sentinel</artifactId>
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</dependency>
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<!--feign 依赖-->
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<dependency>
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<groupId>org.springframework.cloud</groupId>
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<artifactId>spring-cloud-starter-openfeign</artifactId>
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</dependency>
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<!-- okhttp 扩展 -->
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<dependency>
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<groupId>io.github.openfeign</groupId>
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<artifactId>feign-okhttp</artifactId>
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</dependency>
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<!--oauth server 依赖-->
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<dependency>
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<groupId>org.springframework.security</groupId>
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<artifactId>spring-security-core</artifactId>
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</dependency>
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</dependencies>
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</project>
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@@ -0,0 +1,64 @@
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/*
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* Copyright (c) 2018-2025, lengleng All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
|
||||
*
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* Redistributions of source code must retain the above copyright notice,
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||||
* this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
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* documentation and/or other materials provided with the distribution.
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* Neither the name of the pig4cloud.com developer nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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* Author: lengleng (wangiegie@gmail.com)
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*/
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package com.pig4cloud.pigx.common.sentinel;
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import com.alibaba.cloud.sentinel.feign.SentinelFeignAutoConfiguration;
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import com.alibaba.csp.sentinel.adapter.spring.webmvc.callback.BlockExceptionHandler;
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import com.alibaba.csp.sentinel.adapter.spring.webmvc.callback.RequestOriginParser;
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import com.pig4cloud.pigx.common.sentinel.feign.PigxSentinelFeign;
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import com.pig4cloud.pigx.common.sentinel.handle.PigxUrlBlockHandler;
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import com.pig4cloud.pigx.common.sentinel.parser.PigxHeaderRequestOriginParser;
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import feign.Feign;
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import org.springframework.boot.autoconfigure.AutoConfigureBefore;
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import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
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import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.context.annotation.Scope;
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/**
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* @author lengleng
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* @date 2020-02-12
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* <p>
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* sentinel 配置
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*/
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@Configuration(proxyBeanMethods = false)
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@AutoConfigureBefore(SentinelFeignAutoConfiguration.class)
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public class SentinelAutoConfiguration {
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@Bean
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@Scope("prototype")
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@ConditionalOnMissingBean
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@ConditionalOnProperty(name = "feign.sentinel.enabled")
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public Feign.Builder feignSentinelBuilder() {
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return PigxSentinelFeign.builder();
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}
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@Bean
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@ConditionalOnMissingBean
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public BlockExceptionHandler blockExceptionHandler() {
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return new PigxUrlBlockHandler();
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}
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@Bean
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@ConditionalOnMissingBean
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public RequestOriginParser requestOriginParser() {
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return new PigxHeaderRequestOriginParser();
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}
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}
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@@ -0,0 +1,115 @@
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package com.pig4cloud.pigx.common.sentinel.feign;
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import com.alibaba.cloud.sentinel.feign.SentinelContractHolder;
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import feign.Contract;
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import feign.Feign;
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import feign.InvocationHandlerFactory;
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import feign.Target;
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import org.springframework.beans.BeansException;
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import org.springframework.cloud.openfeign.FallbackFactory;
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import org.springframework.cloud.openfeign.FeignClient;
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import org.springframework.cloud.openfeign.FeignContext;
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import org.springframework.context.ApplicationContext;
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import org.springframework.context.ApplicationContextAware;
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import org.springframework.core.annotation.AnnotationUtils;
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import org.springframework.util.StringUtils;
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import java.lang.reflect.InvocationHandler;
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import java.lang.reflect.Method;
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import java.util.Map;
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/**
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* 重写 {@link com.alibaba.cloud.sentinel.feign.SentinelFeign} 支持自动降级注入
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*
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* @author lengleng
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* @date 2020/6/9
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*/
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public final class PigxSentinelFeign {
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private PigxSentinelFeign() {
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}
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public static PigxSentinelFeign.Builder builder() {
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return new PigxSentinelFeign.Builder();
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}
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public static final class Builder extends Feign.Builder implements ApplicationContextAware {
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private Contract contract = new Contract.Default();
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private ApplicationContext applicationContext;
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private FeignContext feignContext;
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@Override
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public Feign.Builder invocationHandlerFactory(InvocationHandlerFactory invocationHandlerFactory) {
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throw new UnsupportedOperationException();
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}
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@Override
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public PigxSentinelFeign.Builder contract(Contract contract) {
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this.contract = contract;
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return this;
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}
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@Override
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public Feign build() {
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super.invocationHandlerFactory(new InvocationHandlerFactory() {
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@Override
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public InvocationHandler create(Target target, Map<Method, MethodHandler> dispatch) {
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// 查找 FeignClient 上的 降级策略
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FeignClient feignClient = AnnotationUtils.findAnnotation(target.type(), FeignClient.class);
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Class fallback = feignClient.fallback();
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Class fallbackFactory = feignClient.fallbackFactory();
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String beanName = feignClient.contextId();
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if (!StringUtils.hasText(beanName)) {
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beanName = feignClient.name();
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}
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Object fallbackInstance;
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FallbackFactory fallbackFactoryInstance;
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// check fallback and fallbackFactory properties
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if (void.class != fallback) {
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fallbackInstance = getFromContext(beanName, "fallback", fallback, target.type());
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return new PigxSentinelInvocationHandler(target, dispatch,
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new FallbackFactory.Default(fallbackInstance));
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}
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if (void.class != fallbackFactory) {
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fallbackFactoryInstance = (FallbackFactory) getFromContext(beanName, "fallbackFactory",
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fallbackFactory, FallbackFactory.class);
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return new PigxSentinelInvocationHandler(target, dispatch, fallbackFactoryInstance);
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}
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return new PigxSentinelInvocationHandler(target, dispatch);
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}
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private Object getFromContext(String name, String type, Class fallbackType, Class targetType) {
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Object fallbackInstance = feignContext.getInstance(name, fallbackType);
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if (fallbackInstance == null) {
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throw new IllegalStateException(String.format(
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"No %s instance of type %s found for feign client %s", type, fallbackType, name));
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}
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if (!targetType.isAssignableFrom(fallbackType)) {
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throw new IllegalStateException(String.format(
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"Incompatible %s instance. Fallback/fallbackFactory of type %s is not assignable to %s for feign client %s",
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type, fallbackType, targetType, name));
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}
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return fallbackInstance;
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}
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});
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super.contract(new SentinelContractHolder(contract));
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return super.build();
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}
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@Override
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public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
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this.applicationContext = applicationContext;
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feignContext = this.applicationContext.getBean(FeignContext.class);
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}
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}
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}
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@@ -0,0 +1,169 @@
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package com.pig4cloud.pigx.common.sentinel.feign;
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import com.alibaba.cloud.sentinel.feign.SentinelContractHolder;
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import com.alibaba.cloud.sentinel.feign.SentinelInvocationHandler;
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import com.alibaba.csp.sentinel.Entry;
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import com.alibaba.csp.sentinel.EntryType;
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import com.alibaba.csp.sentinel.SphU;
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import com.alibaba.csp.sentinel.Tracer;
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import com.alibaba.csp.sentinel.context.ContextUtil;
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import com.alibaba.csp.sentinel.slots.block.BlockException;
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import feign.Feign;
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import feign.InvocationHandlerFactory;
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import feign.MethodMetadata;
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import feign.Target;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.cloud.openfeign.FallbackFactory;
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import java.lang.reflect.InvocationHandler;
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import java.lang.reflect.InvocationTargetException;
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import java.lang.reflect.Method;
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import java.lang.reflect.Proxy;
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import java.util.LinkedHashMap;
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import java.util.Map;
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import static feign.Util.checkNotNull;
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/**
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* 重写 {@link com.alibaba.cloud.sentinel.feign.SentinelInvocationHandler} 支持自动降级注入
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*
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* @author lengleng
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* @date 2020/6/9
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*/
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@Slf4j
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public class PigxSentinelInvocationHandler implements InvocationHandler {
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public static final String EQUALS = "equals";
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public static final String HASH_CODE = "hashCode";
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public static final String TO_STRING = "toString";
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private final Target<?> target;
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private final Map<Method, InvocationHandlerFactory.MethodHandler> dispatch;
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private FallbackFactory fallbackFactory;
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private Map<Method, Method> fallbackMethodMap;
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PigxSentinelInvocationHandler(Target<?> target, Map<Method, InvocationHandlerFactory.MethodHandler> dispatch,
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FallbackFactory fallbackFactory) {
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this.target = checkNotNull(target, "target");
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this.dispatch = checkNotNull(dispatch, "dispatch");
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this.fallbackFactory = fallbackFactory;
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this.fallbackMethodMap = toFallbackMethod(dispatch);
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}
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PigxSentinelInvocationHandler(Target<?> target, Map<Method, InvocationHandlerFactory.MethodHandler> dispatch) {
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this.target = checkNotNull(target, "target");
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this.dispatch = checkNotNull(dispatch, "dispatch");
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}
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@Override
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public Object invoke(final Object proxy, final Method method, final Object[] args) throws Throwable {
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if (EQUALS.equals(method.getName())) {
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try {
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Object otherHandler = args.length > 0 && args[0] != null ? Proxy.getInvocationHandler(args[0]) : null;
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return equals(otherHandler);
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}
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catch (IllegalArgumentException e) {
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return false;
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}
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}
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else if (HASH_CODE.equals(method.getName())) {
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return hashCode();
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}
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else if (TO_STRING.equals(method.getName())) {
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return toString();
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}
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Object result;
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InvocationHandlerFactory.MethodHandler methodHandler = this.dispatch.get(method);
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// only handle by HardCodedTarget
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if (target instanceof Target.HardCodedTarget) {
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Target.HardCodedTarget hardCodedTarget = (Target.HardCodedTarget) target;
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MethodMetadata methodMetadata = SentinelContractHolder.METADATA_MAP
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.get(hardCodedTarget.type().getName() + Feign.configKey(hardCodedTarget.type(), method));
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// resource default is HttpMethod:protocol://url
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if (methodMetadata == null) {
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result = methodHandler.invoke(args);
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}
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else {
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String resourceName = methodMetadata.template().method().toUpperCase() + ":" + hardCodedTarget.url()
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+ methodMetadata.template().path();
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Entry entry = null;
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try {
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ContextUtil.enter(resourceName);
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entry = SphU.entry(resourceName, EntryType.OUT, 1, args);
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result = methodHandler.invoke(args);
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}
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catch (Throwable ex) {
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// fallback handle
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if (!BlockException.isBlockException(ex)) {
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Tracer.trace(ex);
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}
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if (fallbackFactory != null) {
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try {
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Object fallbackResult = fallbackMethodMap.get(method).invoke(fallbackFactory.create(ex),
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args);
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return fallbackResult;
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}
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catch (IllegalAccessException e) {
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// shouldn't happen as method is public due to being an
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// interface
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throw new AssertionError(e);
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}
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catch (InvocationTargetException e) {
|
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throw new AssertionError(e.getCause());
|
||||
}
|
||||
}
|
||||
else {
|
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throw ex;
|
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}
|
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}
|
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finally {
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if (entry != null) {
|
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entry.exit(1, args);
|
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}
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ContextUtil.exit();
|
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}
|
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}
|
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}
|
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else {
|
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// other target type using default strategy
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result = methodHandler.invoke(args);
|
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}
|
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|
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return result;
|
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}
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|
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@Override
|
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public boolean equals(Object obj) {
|
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if (obj instanceof SentinelInvocationHandler) {
|
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PigxSentinelInvocationHandler other = (PigxSentinelInvocationHandler) obj;
|
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return target.equals(other.target);
|
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}
|
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return false;
|
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}
|
||||
|
||||
@Override
|
||||
public int hashCode() {
|
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return target.hashCode();
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString() {
|
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return target.toString();
|
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}
|
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|
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static Map<Method, Method> toFallbackMethod(Map<Method, InvocationHandlerFactory.MethodHandler> dispatch) {
|
||||
Map<Method, Method> result = new LinkedHashMap<>();
|
||||
for (Method method : dispatch.keySet()) {
|
||||
method.setAccessible(true);
|
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result.put(method, method);
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
}
|
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@@ -0,0 +1,112 @@
|
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/*
|
||||
* Copyright (c) 2018-2025, lengleng All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* Redistributions of source code must retain the above copyright notice,
|
||||
* this list of conditions and the following disclaimer.
|
||||
* Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* Neither the name of the pig4cloud.com developer nor the names of its
|
||||
* contributors may be used to endorse or promote products derived from
|
||||
* this software without specific prior written permission.
|
||||
* Author: lengleng (wangiegie@gmail.com)
|
||||
*/
|
||||
|
||||
package com.pig4cloud.pigx.common.sentinel.handle;
|
||||
|
||||
import com.alibaba.csp.sentinel.Tracer;
|
||||
import com.fasterxml.jackson.databind.ObjectMapper;
|
||||
import com.pig4cloud.pigx.common.core.util.R;
|
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import feign.FeignException;
|
||||
import lombok.SneakyThrows;
|
||||
import lombok.extern.slf4j.Slf4j;
|
||||
import org.springframework.http.HttpStatus;
|
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import org.springframework.security.access.AccessDeniedException;
|
||||
import org.springframework.validation.BindException;
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||||
import org.springframework.validation.FieldError;
|
||||
import org.springframework.web.bind.annotation.*;
|
||||
|
||||
import java.util.List;
|
||||
|
||||
/**
|
||||
* @author lengleng
|
||||
* @date 2020-06-29
|
||||
*/
|
||||
@Slf4j
|
||||
@RestController
|
||||
@RestControllerAdvice
|
||||
public class GlobalBizExceptionHandler {
|
||||
|
||||
private final ObjectMapper objectMapper = new ObjectMapper();
|
||||
|
||||
/**
|
||||
* 全局异常.
|
||||
* @param e the e
|
||||
* @return R
|
||||
*/
|
||||
@ExceptionHandler(Exception.class)
|
||||
@ResponseStatus(HttpStatus.INTERNAL_SERVER_ERROR)
|
||||
public R handleGlobalException(Exception e) {
|
||||
|
||||
log.error("全局异常信息 ex={}", e.getMessage(), e);
|
||||
|
||||
// 业务异常交由 sentinel 记录
|
||||
Tracer.trace(e);
|
||||
return R.failed(e.getLocalizedMessage());
|
||||
}
|
||||
|
||||
@SneakyThrows
|
||||
@ExceptionHandler(FeignException.class)
|
||||
@ResponseStatus(HttpStatus.INTERNAL_SERVER_ERROR)
|
||||
public R handleGlobalException(FeignException e) {
|
||||
log.error("全局异常信息 ex={}", e.getMessage(), e);
|
||||
|
||||
// 业务异常交由 sentinel 记录
|
||||
Tracer.trace(e);
|
||||
|
||||
if (e.responseBody().isPresent()) {
|
||||
return objectMapper.readValue(e.responseBody().get().array(), R.class);
|
||||
}
|
||||
|
||||
return R.failed(e.getLocalizedMessage());
|
||||
}
|
||||
|
||||
/**
|
||||
* AccessDeniedException
|
||||
* @param e the e
|
||||
* @return R
|
||||
*/
|
||||
@ExceptionHandler(AccessDeniedException.class)
|
||||
@ResponseStatus(HttpStatus.FORBIDDEN)
|
||||
public R handleAccessDeniedException(AccessDeniedException e) {
|
||||
log.error("拒绝授权异常信息 ex={}", e.getMessage());
|
||||
return R.failed("权限不足，不允许访问");
|
||||
}
|
||||
|
||||
/**
|
||||
* validation Exception
|
||||
* @param exception
|
||||
* @return R
|
||||
*/
|
||||
@ExceptionHandler({ BindException.class })
|
||||
@ResponseStatus(HttpStatus.BAD_REQUEST)
|
||||
public R handleBodyValidException(BindException exception) {
|
||||
List<FieldError> fieldErrors = exception.getBindingResult().getFieldErrors();
|
||||
// 插入log 的逻辑
|
||||
return R.failed(String.format("%s %s", fieldErrors.get(0).getField(), fieldErrors.get(0).getDefaultMessage()));
|
||||
}
|
||||
|
||||
/**
|
||||
* 避免 404 重定向到 /error 导致NPE ,ignore-url 需要配置对应端点
|
||||
* @return R
|
||||
*/
|
||||
@DeleteMapping("/error")
|
||||
@ResponseStatus(HttpStatus.NOT_FOUND)
|
||||
public R noHandlerFoundException() {
|
||||
return R.failed(HttpStatus.NOT_FOUND.getReasonPhrase());
|
||||
}
|
||||
|
||||
}
|
||||
@@ -0,0 +1,47 @@
|
||||
/*
|
||||
* Copyright (c) 2018-2025, lengleng All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* Redistributions of source code must retain the above copyright notice,
|
||||
* this list of conditions and the following disclaimer.
|
||||
* Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* Neither the name of the pig4cloud.com developer nor the names of its
|
||||
* contributors may be used to endorse or promote products derived from
|
||||
* this software without specific prior written permission.
|
||||
* Author: lengleng (wangiegie@gmail.com)
|
||||
*/
|
||||
|
||||
package com.pig4cloud.pigx.common.sentinel.handle;
|
||||
|
||||
import cn.hutool.json.JSONUtil;
|
||||
import com.alibaba.csp.sentinel.adapter.spring.webmvc.callback.BlockExceptionHandler;
|
||||
import com.alibaba.csp.sentinel.slots.block.BlockException;
|
||||
import com.pig4cloud.pigx.common.core.util.R;
|
||||
import lombok.extern.slf4j.Slf4j;
|
||||
import org.springframework.http.HttpStatus;
|
||||
|
||||
import javax.servlet.http.HttpServletRequest;
|
||||
import javax.servlet.http.HttpServletResponse;
|
||||
|
||||
/**
|
||||
* @author lengleng
|
||||
* @date 2019-10-11
|
||||
* <p>
|
||||
* 降级 限流策略
|
||||
*/
|
||||
@Slf4j
|
||||
public class PigxUrlBlockHandler implements BlockExceptionHandler {
|
||||
|
||||
@Override
|
||||
public void handle(HttpServletRequest request, HttpServletResponse response, BlockException e) throws Exception {
|
||||
log.error("sentinel 降级 资源名称{}", e.getRule().getResource(), e);
|
||||
response.setContentType("application/json");
|
||||
response.setStatus(HttpStatus.TOO_MANY_REQUESTS.value());
|
||||
response.getWriter().print(JSONUtil.toJsonStr(R.failed(e.getMessage())));
|
||||
}
|
||||
|
||||
}
|
||||
@@ -0,0 +1,47 @@
|
||||
/*
|
||||
* Copyright (c) 2018-2025, lengleng All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* Redistributions of source code must retain the above copyright notice,
|
||||
* this list of conditions and the following disclaimer.
|
||||
* Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* Neither the name of the pig4cloud.com developer nor the names of its
|
||||
* contributors may be used to endorse or promote products derived from
|
||||
* this software without specific prior written permission.
|
||||
* Author: lengleng (wangiegie@gmail.com)
|
||||
*/
|
||||
|
||||
package com.pig4cloud.pigx.common.sentinel.parser;
|
||||
|
||||
import com.alibaba.csp.sentinel.adapter.spring.webmvc.callback.RequestOriginParser;
|
||||
|
||||
import javax.servlet.http.HttpServletRequest;
|
||||
|
||||
/**
|
||||
* @author lengleng
|
||||
* @date 2019-10-11
|
||||
* <p>
|
||||
* sentinel 请求头解析判断
|
||||
*/
|
||||
public class PigxHeaderRequestOriginParser implements RequestOriginParser {
|
||||
|
||||
/**
|
||||
* 请求头获取allow
|
||||
*/
|
||||
private static final String ALLOW = "Allow";
|
||||
|
||||
/**
|
||||
* Parse the origin from given HTTP request.
|
||||
* @param request HTTP request
|
||||
* @return parsed origin
|
||||
*/
|
||||
@Override
|
||||
public String parseOrigin(HttpServletRequest request) {
|
||||
return request.getHeader(ALLOW);
|
||||
}
|
||||
|
||||
}
|
||||
@@ -0,0 +1,2 @@
|
||||
com.pig4cloud.pigx.common.sentinel.SentinelAutoConfiguration
|
||||
com.pig4cloud.pigx.common.sentinel.handle.GlobalBizExceptionHandler
|
||||
Reference in New Issue
Block a user