/**
* Handles a operation request via HTTP.
*
* @param http The HttpExchange object that allows access to the request and response.
* @throws IOException if an error occurs while attempting to process the request.
*/
private void processRequest(final HttpExchange http) throws IOException {
final URI request = http.getRequestURI();
final String requestMethod = http.getRequestMethod();
boolean isGet = GET.equals(requestMethod);
if (!isGet && !POST.equals(requestMethod)) {
http.sendResponseHeaders(METHOD_NOT_ALLOWED, -1);
return;
}
ModelNode dmr;
ModelNode response;
int status = OK;
Headers requestHeaders = http.getRequestHeaders();
boolean encode =
APPLICATION_DMR_ENCODED.equals(requestHeaders.getFirst(ACCEPT))
|| APPLICATION_DMR_ENCODED.equals(requestHeaders.getFirst(CONTENT_TYPE));
try {
dmr = isGet ? convertGetRequest(request) : convertPostRequest(http.getRequestBody(), encode);
} catch (IllegalArgumentException iae) {
ROOT_LOGGER.debugf("Unable to construct ModelNode '%s'", iae.getMessage());
http.sendResponseHeaders(INTERNAL_SERVER_ERROR, -1);
return;
}
try {
response = modelController.execute(new OperationBuilder(dmr).build());
} catch (Throwable t) {
ROOT_LOGGER.modelRequestError(t);
http.sendResponseHeaders(INTERNAL_SERVER_ERROR, -1);
return;
}
if (response.hasDefined(OUTCOME) && FAILED.equals(response.get(OUTCOME).asString())) {
status = INTERNAL_SERVER_ERROR;
}
boolean pretty = dmr.hasDefined("json.pretty") && dmr.get("json.pretty").asBoolean();
writeResponse(http, isGet, pretty, response, status, encode);
}
private String mediaTypeOf(final String httpMethod, final HttpHeaders headers) {
if (GET.equals(httpMethod)) {
return headers
.getAcceptableMediaTypes()
.stream()
.map(this::mediaType)
.filter(mt -> mt.startsWith(MEDIA_TYPE_PREFIX))
.findFirst()
.orElseThrow(
() ->
new BadRequestException(
format(
"No matching action for accept media types: %s",
headers.getAcceptableMediaTypes())));
} else {
return mediaType(headers.getMediaType());
}
}
