/**
* Handles the HTTP request by generating a Message and sending it to the request channel. If this
* gateway's 'expectReply' property is true, it will also generate a response from the reply
* Message once received. That response will be written by the {@link HttpMessageConverter}s.
*/
public final void handleRequest(
HttpServletRequest servletRequest, HttpServletResponse servletResponse)
throws ServletException, IOException {
Object responseContent = null;
Message<?> responseMessage;
final ServletServerHttpRequest request = new ServletServerHttpRequest(servletRequest);
final ServletServerHttpResponse response = new ServletServerHttpResponse(servletResponse);
try {
responseMessage = super.doHandleRequest(servletRequest, servletResponse);
if (responseMessage != null) {
responseContent = setupResponseAndConvertReply(response, responseMessage);
}
} catch (Exception e) {
responseContent = handleExceptionInternal(e);
}
if (responseContent != null) {
if (responseContent instanceof HttpStatus) {
response.setStatusCode((HttpStatus) responseContent);
} else {
this.writeResponse(responseContent, response, request.getHeaders().getAccept());
}
}
}
private String getPath(ServletServerHttpRequest request) {
String path =
(String)
request
.getServletRequest()
.getAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE);
return (path == null ? "" : path);
}
private void beforeBodyWrite(Object body, ServletServerHttpRequest request) {
Object pattern =
request
.getServletRequest()
.getAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE);
if (pattern != null && body instanceof ResourceSupport) {
beforeBodyWrite(pattern.toString(), (ResourceSupport) body);
}
}