Tia*_*ira 1 java rest restlet apache-camel spring-boot
我有一个使用 Spring Boot 和 Apache Camel 构建的 Web 应用程序,我正在实现一个 REST 接口。目前,使用 Camel 默认Servlet或Restlet组件,我没有在响应中获得 HTTP 状态代码原因。
这是我在将 HTTP 状态代码设置为 403 时得到的示例响应:
< HTTP/1.1 403
< Date: Mon, 19 Feb 2018 10:01:21 GMT
< Server: Restlet-Framework/2.4.0
< Content-Type: application/json
< Content-Length: 75
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应该如何:
< HTTP/1.1 403 Forbidden
< Date: Mon, 19 Feb 2018 10:01:21 GMT
< Server: Restlet-Framework/2.4.0
< Content-Type: application/json
< Content-Length: 75
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如何配置 Camel/Restlet/Servlet 以在 HTTP 状态代码中包含原因?
我目前的配置:
应用程序.java
@SpringBootApplication
public class Application extends SpringBootServletInitializer {
private static final Logger appLogger = LoggerFactory.getLogger(Application.class);
public static void main(String[] args) {
SpringApplication.run(Application.class, args);
appLogger.info("--Application Started--");
}
@Bean
public ServletRegistrationBean servletRegistrationBean() {
SpringServerServlet serverServlet = new SpringServerServlet();
ServletRegistrationBean regBean = new ServletRegistrationBean(serverServlet, "/*");
Map<String,String> params = new HashMap<>();
params.put("org.restlet.component", "restletComponent");
regBean.setInitParameters(params);
return regBean;
}
@Bean
public Component restletComponent() {
return new Component();
}
@Bean
public RestletComponent restletComponentService() {
return new RestletComponent(restletComponent());
}
}
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路由配置:
@Component
public class RestRouteBuilder extends RouteBuilder {
private static final Logger appLogger = LoggerFactory.getLogger(RestRouteBuilder.class);
private Predicate isAuthorizedRequest = header(HttpHeaders.AUTHORIZATION).isNotNull();
@Override
public void configure() throws Exception {
restConfiguration().component("restlet")
.contextPath("/overlay")
.bindingMode(RestBindingMode.json)
.skipBindingOnErrorCode(false)
.dataFormatProperty("prettyPrint", "true");
rest("/")
.get()
.route()
.setHeader(Exchange.HTTP_RESPONSE_CODE, constant(403))
.setBody(constant("Forbidden"))
.endRest();
}
}
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我也尝试添加,.setHeader(Exchange.HTTP_RESPONSE_TEXT, constant("Forbidden"))但结果是一样的。
.setHeader(Exchange.HTTP_RESPONSE_CODE, constant(403))
.setHeader(Exchange.CONTENT_TYPE, constant("text/plain"))
.setBody(constant("Forbidden"))
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小智 4
如何配置 Camel/Restlet/Servlet 以在 HTTP 状态代码中包含原因?
响应在org.restlet.engine.adapter.ServerCall.sendResponse()发送,其中响应头和正文写入 OutputStream:
writeResponseHead(response); // <--
if (responseEntity != null) {
responseEntityStream = getResponseEntityStream();
writeResponseBody(responseEntity, responseEntityStream);
}
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...并且writeResponseHead(response) 默认情况下不执行任何操作,请检查它:
protected void writeResponseHead(Response response) throws IOException {
// Do nothing by default
}
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更新: ... HttpStatus(value, ReasonPhrase)具有ReasonPhrase,但不用于stringify:
HttpStatus(int value, String reasonPhrase) {
this.value = value;
this.reasonPhrase = reasonPhrase;
}
...
@Override
public String toString() {
return Integer.toString(this.value);
}
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更新 2: ... DefaultRestletBinding。populateRestletResponseFromExchange执行以下操作:
// get response code
Integer responseCode = out.getHeader(Exchange.HTTP_RESPONSE_CODE, Integer.class);
if (responseCode != null) {
response.setStatus(Status.valueOf(responseCode));
}
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尽管有Status.reasonPhrase,但它无法访问。
6.1.1 状态代码和原因短语
(...) 客户端不需要检查或显示原因短语。
(...) 原因短语 (...) 可以用本地等效项替换,而不影响协议。
3.1.2. 状态行
(...) 客户端应该忽略原因短语内容。
8.1.2.4。响应伪标头字段
(...) HTTP/2 没有定义携带 HTTP/1.1 状态行中包含的版本或原因短语的方法。
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