3.13.3. 获取响应代码

您可以通过使用 Exchange.HTTP_RESPONSE_CODE 的 Out message 标头获取来自 AHC 组件的 HTTP 响应代码。

Exchange exchange = template.send("ahc:http://www.google.com/search", new Processor() {
            public void process(Exchange exchange) throws Exception {
                exchange.getIn().setHeader(Exchange.HTTP_QUERY, constant("hl=en&q=activemq"));
            }
   });
   Message out = exchange.getOut();
   int responseCode = out.getHeader(Exchange.HTTP_RESPONSE_CODE, Integer.class);