Camel CXFRS路由对REST客户端的响应？

Question

我试图在CXFRS骆驼路由中创建对REST web服务调用的响应，但无论我做什么，对客户端的响应总是相同的200，而不是201。以下是我的路线：

<route id="front-end">
    <from uri="cxfrs:bean:myService" />
    <setBody>
        <constant>Will do...</constant>
    </setBody>
    <setHeader headerName="CamelHttpResponseCode">
        <constant>201</constant>
    </setHeader>
    <setHeader headerName="Content-Type">
        <constant>more/blah</constant>
    </setHeader>
</route>

返回正文，但忽略响应代码和内容类型。我做错了什么？

谢谢，马特

Answer 1

基本上，camel-cxfrs将exchange转换为实际的HTTP响应时会覆盖exchange中设置的任何头（请参阅此处）：

exchange.getOut().setHeaders(binding.bindResponseHeadersToCamelHeaders(response, exchange));

之所以会发生这种情况，是因为DefaultCxfRsBinding需要一个jaxrs响应作为参数。

因此，要解决该问题，您可以使用自定义项重写DefaultCxfRsBinding，以便从Exchange.getin（）复制头。

    <cxf:rsServer id="MyService" address="/myAddress">      
    <cxf:binding><bean class="MyCustomCxfRsBinding" /></cxf:binding>                
    <cxf:serviceBeans>
        <ref bean="myResourceWithJSR311Annotations" />
    </cxf:serviceBeans>
    </cxf:rsServer>

class HttpHeaderProcessor implements Processor
{
    @Override
    public void process(Exchange exchange) throws Exception
    {
        Message message = exchange.getIn();
        Response response = convertToJaxRs(message);
        exchange.getIn().setBody(response);
        exchange.getIn().setHeader("Test", "Won't work unless DefaultCxfRsBinding is not replaced with a custom one");

    }

    private Response convertToJaxRs(Message message)
    {
        ResponseBuilder jaxrsResponseBuilder = Response.ok(message.getBody(), MediaType.APPLICATION_XML);
        jaxrsResponseBuilder.header("header1", "you'll see this");
        Response response = jaxrsResponseBuilder.build();
        return response;
    }
}

<route id="front-end">
    <from uri="cxfrs:bean:myService" />
    <setBody>
        set it to Response.ok(your message).header(x, y).build()
    </setBody>

<route id="front-end">
    <from uri="cxfrs:bean:myService" />
    <bean ref="myServiceImpl">