Use Set.of instead of HashSet with Arrays.asList

spring-webflux/src/main/java/org/springframework/web/reactive/function/server/RequestPredicates.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2021 the original author or authors.
+ * Copyright 2002-2022 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -22,7 +22,6 @@ import java.security.Principal;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.HashMap;
-import java.util.HashSet;
 import java.util.LinkedHashMap;
 import java.util.LinkedHashSet;
 import java.util.List;
@@ -73,6 +72,7 @@ public abstract class RequestPredicates {
 
 	private static final Log logger = LogFactory.getLog(RequestPredicates.class);
 
+
 	/**
 	 * Return a {@code RequestPredicate} that always matches.
 	 * @return a predicate that always matches
@@ -537,7 +537,6 @@ public abstract class RequestPredicates {
 		public String toString() {
 			return this.pattern.getPatternString();
 		}
-
 	}
 
 
@@ -566,12 +565,13 @@ public abstract class RequestPredicates {
 		}
 	}
 
+
 	private static class ContentTypePredicate extends HeadersPredicate {
 
 		private final Set<MediaType> mediaTypes;
 
 		public ContentTypePredicate(MediaType... mediaTypes) {
-			this(new HashSet<>(Arrays.asList(mediaTypes)));
+			this(Set.of(mediaTypes));
 		}
 
 		private ContentTypePredicate(Set<MediaType> mediaTypes) {
@@ -603,12 +603,13 @@ public abstract class RequestPredicates {
 		}
 	}
 
+
 	private static class AcceptPredicate extends HeadersPredicate {
 
 		private final Set<MediaType> mediaTypes;
 
 		public AcceptPredicate(MediaType... mediaTypes) {
-			this(new HashSet<>(Arrays.asList(mediaTypes)));
+			this(Set.of(mediaTypes));
 		}
 
 		private AcceptPredicate(Set<MediaType> mediaTypes) {
@@ -698,7 +699,6 @@ public abstract class RequestPredicates {
 							this.extension :
 							this.extensionPredicate);
 		}
-
 	}
 
 
@@ -809,6 +809,7 @@ public abstract class RequestPredicates {
 		}
 	}
 
+
 	/**
 	 * {@link RequestPredicate} that negates a delegate predicate.
 	 */
@@ -851,6 +852,7 @@ public abstract class RequestPredicates {
 		}
 	}
 
+
 	/**
 	 * {@link RequestPredicate} where either {@code left} or {@code right} predicates
 	 * may match.
@@ -1094,7 +1096,6 @@ public abstract class RequestPredicates {
 		public String toString() {
 			return method() + " " +  path();
 		}
-
 	}
 
 }