Adds AddRequestParameter

src/main/java/org/springframework/cloud/gateway/filter/route/SetStatusRouteFilter.java

@@ -1,11 +1,11 @@
 package org.springframework.cloud.gateway.filter.route;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
+import org.springframework.cloud.gateway.support.ServerWebExchangeUtils;
 import org.springframework.http.HttpStatus;
 import org.springframework.web.server.WebFilter;
 
 import static org.springframework.cloud.gateway.support.ServerWebExchangeUtils.isResponseCommitted;
+import static org.springframework.cloud.gateway.support.ServerWebExchangeUtils.setResponseStatus;
 
 import reactor.core.publisher.Mono;
 
@@ -13,21 +13,10 @@ import reactor.core.publisher.Mono;
  * @author Spencer Gibb
  */
 public class SetStatusRouteFilter implements RouteFilter {
-	protected final Log logger = LogFactory.getLog(getClass());
 
 	@Override
 	public WebFilter apply(String statusString, String[] args) {
-		HttpStatus httpStatus;
-
-		try {
-			int status = Integer.parseInt(statusString);
-			httpStatus = HttpStatus.valueOf(status);
-		} catch (NumberFormatException e) {
-			// try the enum string
-			httpStatus = HttpStatus.valueOf(statusString.toUpperCase());
-		}
-
-		final HttpStatus finalStatus = httpStatus;
+		final HttpStatus httpStatus = ServerWebExchangeUtils.parse(statusString);
 
 		//TODO: caching can happen here
 		return (exchange, chain) -> {
@@ -43,10 +32,7 @@ public class SetStatusRouteFilter implements RouteFilter {
 			return chain.filter(exchange).then(() -> {
 				// check not really needed, since it is guarded in setStatusCode, but it's a good example
 				if (!isResponseCommitted(exchange)) {
-					boolean response = exchange.getResponse().setStatusCode(finalStatus);
-					if (!response && logger.isWarnEnabled()) {
-						logger.warn("Unable to set status code to "+ finalStatus + ". Response already committed.");
-					}
+					setResponseStatus(exchange, httpStatus);
 				}
 				return Mono.empty();
 			});