Use parsed path for checks in UrlHandlerFilter

See gh-32830

Author: rstoyanchev

spring-web/src/main/java/org/springframework/web/filter/UrlHandlerFilter.java

@@ -32,6 +32,7 @@
 
 import org.springframework.http.HttpHeaders;
 import org.springframework.http.HttpStatus;
+import org.springframework.http.server.PathContainer;
 import org.springframework.http.server.RequestPath;
 import org.springframework.lang.Nullable;
 import org.springframework.util.LinkedMultiValueMap;
@@ -94,7 +95,7 @@ protected void doFilterInternal(HttpServletRequest request, HttpServletResponse
 				path = ServletRequestPathUtils.parseAndCache(request);
 			}
 			for (Map.Entry<Handler, List<PathPattern>> entry : this.handlers.entrySet()) {
-				if (!entry.getKey().canHandle(request)) {
+				if (!entry.getKey().canHandle(request, path)) {
 					continue;
 				}
 				for (PathPattern pattern : entry.getValue()) {
@@ -247,7 +248,7 @@ private interface Handler {
 		/**
 		 * Whether the handler handles the given request.
 		 */
-		boolean canHandle(HttpServletRequest request);
+		boolean canHandle(HttpServletRequest request, RequestPath path);
 
 		/**
 		 * Handle the request, possibly delegating to the rest of the filter chain.
@@ -276,8 +277,9 @@ protected AbstractTrailingSlashHandler(@Nullable Consumer<HttpServletRequest> in
 		}
 
 		@Override
-		public boolean canHandle(HttpServletRequest request) {
-			return request.getRequestURI().endsWith("/");
+		public boolean canHandle(HttpServletRequest request, RequestPath path) {
+			List<PathContainer.Element> elements = path.elements();
+			return (!elements.isEmpty() && elements.get(elements.size() - 1).value().equals("/"));
 		}
 
 		@Override