Refactor code to work around Eclipse compiler bug

Refactor code to work around the Eclipse compiler bug reported at
https://github.com/eclipse-jdt/eclipse.jdt.core/issues/378

Closes gh-32264

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/SpringApplication.java

@@ -456,11 +456,14 @@ public class SpringApplication {
 		if (this.environment != null) {
 			return this.environment;
 		}
-		return switch (this.webApplicationType) {
-			case SERVLET -> new ApplicationServletEnvironment();
-			case REACTIVE -> new ApplicationReactiveWebEnvironment();
-			default -> new ApplicationEnvironment();
-		};
+		switch (this.webApplicationType) {
+			case SERVLET:
+				return new ApplicationServletEnvironment();
+			case REACTIVE:
+				return new ApplicationReactiveWebEnvironment();
+			default:
+				return new ApplicationEnvironment();
+		}
 	}
 
 	/**

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/reactive/context/ReactiveWebServerApplicationContextFactory.java

@@ -33,11 +33,14 @@ class ReactiveWebServerApplicationContextFactory implements ApplicationContextFa
 
 	@Override
 	public ConfigurableApplicationContext create(WebApplicationType webApplicationType) {
-		if (webApplicationType != WebApplicationType.REACTIVE) {
-			return null;
+		return (webApplicationType != WebApplicationType.REACTIVE) ? null : createContext();
+	}
+
+	private ConfigurableApplicationContext createContext() {
+		if (!AotDetector.useGeneratedArtifacts()) {
+			return new AnnotationConfigReactiveWebServerApplicationContext();
 		}
-		return AotDetector.useGeneratedArtifacts() ? new ReactiveWebServerApplicationContext()
-				: new AnnotationConfigReactiveWebServerApplicationContext();
+		return new ReactiveWebServerApplicationContext();
 	}
 
 }

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/servlet/context/ServletWebServerApplicationContextFactory.java

@@ -33,11 +33,14 @@ class ServletWebServerApplicationContextFactory implements ApplicationContextFac
 
 	@Override
 	public ConfigurableApplicationContext create(WebApplicationType webApplicationType) {
-		if (webApplicationType != WebApplicationType.SERVLET) {
-			return null;
+		return (webApplicationType != WebApplicationType.SERVLET) ? null : createContext();
+	}
+
+	private ConfigurableApplicationContext createContext() {
+		if (!AotDetector.useGeneratedArtifacts()) {
+			return new AnnotationConfigServletWebServerApplicationContext();
 		}
-		return AotDetector.useGeneratedArtifacts() ? new ServletWebServerApplicationContext()
-				: new AnnotationConfigServletWebServerApplicationContext();
+		return new ServletWebServerApplicationContext();
 	}
 
 }