Add WebFilter Factories examples configured through yaml and Java DSL
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Cavero Barca
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@ -49,6 +49,12 @@
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<artifactId>spring-cloud-starter-gateway</artifactId>
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</dependency>
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<!-- Circuit Breaker -->
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<dependency>
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<groupId>org.springframework.cloud</groupId>
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<artifactId>spring-cloud-starter-circuitbreaker-reactor-resilience4j</artifactId>
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</dependency>
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<dependency>
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<groupId>org.hibernate</groupId>
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<artifactId>hibernate-validator-cdi</artifactId>
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@ -84,10 +90,8 @@
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</build>
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<properties>
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<spring-cloud-dependencies.version>Greenwich.SR3</spring-cloud-dependencies.version>
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<!-- Spring Boot version compatible with Spring Cloud Release train -->
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<spring-boot.version>2.1.9.RELEASE</spring-boot.version>
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<spring-cloud-dependencies.version>Hoxton.SR3</spring-cloud-dependencies.version>
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<spring-boot.version>2.2.6.RELEASE</spring-boot.version>
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<hibernate-validator.version>6.0.2.Final</hibernate-validator.version>
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</properties>
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@ -0,0 +1,15 @@
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package com.baeldung.springcloudgateway.webfilters;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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import org.springframework.boot.builder.SpringApplicationBuilder;
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@SpringBootApplication
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public class WebFilterGatewayApplication {
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public static void main(String[] args) {
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new SpringApplicationBuilder(WebFilterGatewayApplication.class)
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.profiles("webfilters")
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.run(args);
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}
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}
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@ -0,0 +1,49 @@
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package com.baeldung.springcloudgateway.webfilters.config;
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import org.springframework.cloud.gateway.route.RouteLocator;
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import org.springframework.cloud.gateway.route.builder.RouteLocatorBuilder;
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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.http.MediaType;
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import reactor.core.publisher.Mono;
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@Configuration
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public class ModifyBodyRouteConfig {
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@Bean
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public RouteLocator routes(RouteLocatorBuilder builder) {
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return builder.routes()
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.route("modify_request_body", r -> r.path("/post")
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.filters(f -> f.modifyRequestBody(String.class, Hello.class, MediaType.APPLICATION_JSON_VALUE,
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(exchange, s) -> Mono.just(new Hello(s.toUpperCase())))).uri("https://httpbin.org"))
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.build();
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}
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@Bean
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public RouteLocator responseRoutes(RouteLocatorBuilder builder) {
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return builder.routes()
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.route("modify_response_body", r -> r.path("/put/**")
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.filters(f -> f.modifyResponseBody(String.class, Hello.class, MediaType.APPLICATION_JSON_VALUE,
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(exchange, s) -> Mono.just(new Hello("New Body")))).uri("https://httpbin.org"))
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.build();
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}
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static class Hello {
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String message;
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public Hello() { }
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public Hello(String message) {
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this.message = message;
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}
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public String getMessage() {
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return message;
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}
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public void setMessage(String message) {
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this.message = message;
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}
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}
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}
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@ -0,0 +1,93 @@
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spring:
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cloud:
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gateway:
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routes:
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- id: request_header_route
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uri: https://httpbin.org
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predicates:
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- Path=/get/**
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filters:
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- AddRequestHeader=My-Header-Good,Good
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- AddRequestHeader=My-Header-Remove,Remove
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- AddRequestParameter=var, good
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- AddRequestParameter=var2, remove
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- MapRequestHeader=My-Header-Good, My-Header-Bad
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- MapRequestHeader=My-Header-Set, My-Header-Bad
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- SetRequestHeader=My-Header-Set, Set
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- RemoveRequestHeader=My-Header-Remove
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- RemoveRequestParameter=var2
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- PreserveHostHeader
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- id: response_header_route
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uri: https://httpbin.org
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predicates:
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- Path=/header/post/**
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filters:
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- AddResponseHeader=My-Header-Good,Good
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- AddResponseHeader=My-Header-Set,Good
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- AddResponseHeader=My-Header-Rewrite, password=12345678
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- DedupeResponseHeader=Access-Control-Allow-Credentials Access-Control-Allow-Origin
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- AddResponseHeader=My-Header-Remove,Remove
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- SetResponseHeader=My-Header-Set, Set
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- RemoveResponseHeader=My-Header-Remove
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- RewriteResponseHeader=My-Header-Rewrite, password=[^&]+, password=***
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- RewriteLocationResponseHeader=AS_IN_REQUEST, Location, ,
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- StripPrefix=1
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- id: path_route
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uri: https://httpbin.org
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predicates:
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- Path=/new/post/**
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filters:
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- RewritePath=/new(?<segment>/?.*), $\{segment}
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- SetPath=/post
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- id: redirect_route
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uri: https://httpbin.org
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predicates:
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- Path=/fake/post/**
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filters:
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- RedirectTo=302, https://httpbin.org
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- id: status_route
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uri: https://httpbin.org
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predicates:
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- Path=/delete/**
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filters:
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- SetStatus=401
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- id: size_route
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uri: https://httpbin.org
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predicates:
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- Path=/anything
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filters:
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- name: RequestSize
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args:
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maxSize: 5000000
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- id: retry_test
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uri: https://httpbin.org
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predicates:
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- Path=/status/502
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filters:
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- name: Retry
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args:
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retries: 3
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statuses: BAD_GATEWAY
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methods: GET,POST
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backoff:
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firstBackoff: 10ms
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maxBackoff: 50ms
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factor: 2
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basedOnPreviousValue: false
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- id: circuitbreaker_route
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uri: https://httpbin.org
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predicates:
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- Path=/status/504
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filters:
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- name: CircuitBreaker
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args:
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name: myCircuitBreaker
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fallbackUri: forward:/anything
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- RewritePath=/status/504, /anything
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