使用spring集成获取PathVariable

Question

localhost:port/server/InboundGateway/pdf/

<int-http:inbound-gateway id="InboundGateway"
    request-channel="request" reply-channel="response"  supported-methods="GET,POST"
    request-payload-type="java.lang.String" path="/InboundGateway/{type}"
    <int-http:header name="type" expression="#pathVariables.type" />
</int-http:inbound-gateway>

<int:router input-channel="request" expression="headers.http_requestMethod">
    <int:mapping value="POST" channel="contentDownload" />
</int:router>

<int:service-activator input-channel="contentDownload"
    method="extract" ref="downloadPayloadExtractor" output-channel="contentRouter"></int:service-activator>

在DownloadPayloadExtractor中，我希望获得

这些是原木的

SEVERE: Servlet.service() for servlet [InboundGateway] in context with path [/mgl-crm-server] threw exception

Answer 1

因为Framewrok处理message ，而且您确实有正确的方法将pathvariable填充到messageheaders中。

唯一需要改进代码的是“如何访问type标头？”这个问题。那么，您的POJO方法应该这样改进：

public Object extract(Object payload, @Header("type") String type) {
....
}

仅此而已。

<wire-tap channel="logging">

<logging-channel-adapter id="logging" log-full-message="true" level="ERROR"/>