Use PathPatternParser in function.server

Use new PathPatternParser instead of PathMatcher in
web.reactive.function.server.

spring-webflux/src/test/java/org/springframework/web/reactive/function/server/RequestPredicatesTests.java

@@ -18,11 +18,13 @@ package org.springframework.web.reactive.function.server;
 
 import java.net.URI;
 import java.util.Collections;
+import java.util.function.Function;
 
 import org.junit.Test;
 
 import org.springframework.http.HttpMethod;
 import org.springframework.http.MediaType;
+import org.springframework.web.util.patterns.PathPatternParser;
 
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
@@ -94,6 +96,18 @@ public class RequestPredicatesTests {
 		assertFalse(predicate.test(request));
 	}
 
+	@Test
+	public void pathPredicates() throws Exception {
+		PathPatternParser parser = new PathPatternParser();
+		parser.setCaseSensitive(false);
+		Function<String, RequestPredicate> pathPredicates = RequestPredicates.pathPredicates(parser);
+
+		URI uri = URI.create("http://localhost/path");
+		RequestPredicate predicate = pathPredicates.apply("/P*");
+		MockServerRequest request = MockServerRequest.builder().uri(uri).build();
+		assertTrue(predicate.test(request));
+	}
+
 	@Test
 	public void headers() throws Exception {
 		String name = "MyHeader";