Remove WebFlux trailing slash match

See gh-34036

spring-webflux/src/main/java/org/springframework/web/reactive/config/PathMatchConfigurer.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2022 the original author or authors.
+ * Copyright 2002-2024 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.
@@ -21,7 +21,6 @@ import java.util.Map;
 import java.util.function.Predicate;
 
 import org.springframework.lang.Nullable;
-import org.springframework.web.util.pattern.PathPatternParser;
 
 /**
  * Assist with configuring {@code HandlerMapping}'s with path matching options.
@@ -32,10 +31,6 @@ import org.springframework.web.util.pattern.PathPatternParser;
  */
 public class PathMatchConfigurer {
 
-	@Nullable
-	private Boolean trailingSlashMatch;
-
-
 	@Nullable
 	private Boolean caseSensitiveMatch;
 
@@ -53,20 +48,6 @@ public class PathMatchConfigurer {
 		return this;
 	}
 
-	/**
-	 * Whether to match to URLs irrespective of the presence of a trailing slash.
-	 * If enabled a method mapped to "/users" also matches to "/users/".
-	 * <p>The default was changed in 6.0 from {@code true} to {@code false} in
-	 * order to support the deprecation of the property.
-	 * @deprecated as of 6.0, see
-	 * {@link PathPatternParser#setMatchOptionalTrailingSeparator(boolean)}
-	 */
-	@Deprecated(since = "6.0")
-	public PathMatchConfigurer setUseTrailingSlashMatch(Boolean trailingSlashMatch) {
-		this.trailingSlashMatch = trailingSlashMatch;
-		return this;
-	}
-
 	/**
 	 * Configure a path prefix to apply to matching controller methods.
 	 * <p>Prefixes are used to enrich the mappings of every {@code @RequestMapping}
@@ -87,12 +68,6 @@ public class PathMatchConfigurer {
 	}
 
 
-	@Nullable
-	@Deprecated
-	protected Boolean isUseTrailingSlashMatch() {
-		return this.trailingSlashMatch;
-	}
-
 	@Nullable
 	protected Boolean isUseCaseSensitiveMatch() {
 		return this.caseSensitiveMatch;

spring-webflux/src/main/java/org/springframework/web/reactive/config/WebFluxConfigurationSupport.java

@@ -154,13 +154,8 @@ public class WebFluxConfigurationSupport implements ApplicationContextAware {
 		return mapping;
 	}
 
-	@SuppressWarnings("deprecation")
 	private void configureAbstractHandlerMapping(AbstractHandlerMapping mapping, PathMatchConfigurer configurer) {
 		mapping.setCorsConfigurations(getCorsConfigurations());
-		Boolean useTrailingSlashMatch = configurer.isUseTrailingSlashMatch();
-		if (useTrailingSlashMatch != null) {
-			mapping.setUseTrailingSlashMatch(useTrailingSlashMatch);
-		}
 		Boolean useCaseSensitiveMatch = configurer.isUseCaseSensitiveMatch();
 		if (useCaseSensitiveMatch != null) {
 			mapping.setUseCaseSensitiveMatch(useCaseSensitiveMatch);

spring-webflux/src/main/java/org/springframework/web/reactive/handler/AbstractHandlerMapping.java

@@ -85,24 +85,6 @@ public abstract class AbstractHandlerMapping extends ApplicationObjectSupport
 		this.patternParser.setCaseSensitive(caseSensitiveMatch);
 	}
 
-	/**
-	 * Shortcut method for setting the same property on the underlying pattern
-	 * parser in use. For more details see:
-	 * <ul>
-	 * <li>{@link #getPathPatternParser()} -- the underlying pattern parser
-	 * <li>{@link PathPatternParser#setMatchOptionalTrailingSeparator(boolean)} --
-	 * the trailing slash option, including its default value.
-	 * </ul>
-	 * <p>The default was changed in 6.0 from {@code true} to {@code false} in
-	 * order to support the deprecation of the property.
-	 * @deprecated as of 6.0, see
-	 * {@link PathPatternParser#setMatchOptionalTrailingSeparator(boolean)}
-	 */
-	@Deprecated(since = "6.0")
-	public void setUseTrailingSlashMatch(boolean trailingSlashMatch) {
-		this.patternParser.setMatchOptionalTrailingSeparator(trailingSlashMatch);
-	}
-
 	/**
 	 * Return the {@link PathPatternParser} instance that is used for
 	 * {@link #setCorsConfigurations(Map) CORS configuration checks}.