我使用以下代码(来自 this answer )来配置要记录到 WebClient 请求的 header :
ExchangeStrategies exchangeStrategies = ExchangeStrategies.withDefaults();
exchangeStrategies
.messageWriters().stream()
.filter(LoggingCodecSupport.class::isInstance)
.forEach(writer -> ((LoggingCodecSupport)writer).setEnableLoggingRequestDetails(true));
client = WebClient.builder()
.exchangeStrategies(exchangeStrategies)
这有效,但会导致我的 jackson 配置丢失。在我的 application.properties 中我有:
spring.jackson.default-property-inclusion=non-null
spring.jackson.deserialization.accept-empty-string-as-null-object=true
被上面的代码覆盖。这是我的解决方法:
@Autowired ObjectMapper objectMapper;
@Bean
WebClientCustomizer webClientCustomizer() {
return (WebClient.Builder builder) -> {
builder
.exchangeStrategies(createExchangeStrategiesWhichLogHeaders())
};
}
private ExchangeStrategies createExchangeStrategiesWhichLogHeaders() {
ExchangeStrategies exchangeStrategies =
ExchangeStrategies.builder()
.codecs(
clientDefaultCodecsConfigurer -> {
clientDefaultCodecsConfigurer
.defaultCodecs()
.jackson2JsonEncoder(
new Jackson2JsonEncoder(objectMapper, MediaType.APPLICATION_JSON));
clientDefaultCodecsConfigurer
.defaultCodecs()
.jackson2JsonDecoder(
new Jackson2JsonDecoder(objectMapper, MediaType.APPLICATION_JSON));
})
.build();
exchangeStrategies
.messageWriters()
.stream()
.filter(LoggingCodecSupport.class::isInstance)
.forEach(writer -> ((LoggingCodecSupport) writer).setEnableLoggingRequestDetails(true));
return exchangeStrategies;
}
这可行,但感觉有点奇怪。问题是:我是否需要像这样包含 jackson/objectMapper 配置,或者是否有更简单的方法来避免 Spring objectMapper 配置被覆盖?
最佳答案
从 Spring Boot 2.1.0 开始,您可以通过启用以下属性来实现此目的:
spring.http.log-request-details=true
如果您使用的是以前的 Spring Boot 版本,您应该能够自定义它,而无需覆盖或重建整个配置,如下所示:
@Configuration
static class LoggingCodecConfig {
@Bean
@Order(0)
public CodecCustomizer loggingCodecCustomizer() {
return (configurer) -> configurer.defaultCodecs()
.enableLoggingRequestDetails(true);
}
}
关于java - 设置 WebClient.Builder.exchangeStrategies() 而不丢失 Spring Jackson 配置,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/53444547/