Update BootWar to support Gradle's configuration cache

See gh-22922

spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/main/java/org/springframework/boot/gradle/tasks/bundling/BootWar.java

@@ -18,6 +18,7 @@ package org.springframework.boot.gradle.tasks.bundling;
 
 import java.util.Collections;
 import java.util.concurrent.Callable;
+import java.util.function.Function;
 
 import org.gradle.api.Action;
 import org.gradle.api.Project;
@@ -59,7 +60,7 @@ public class BootWar extends War implements BootArchive {
 	 * Creates a new {@code BootWar} task.
 	 */
 	public BootWar() {
-		this.support = new BootArchiveSupport(LAUNCHER, this::isLibrary, this::resolveZipCompression);
+		this.support = new BootArchiveSupport(LAUNCHER, new LibrarySpec(), new ZipCompressionResolver());
 		this.mainClass = getProject().getObjects().property(String.class);
 		getWebInf().into("lib-provided", fromCallTo(this::getProvidedLibFiles));
 		this.support.moveModuleInfoToRoot(getRootSpec());
@@ -232,4 +233,22 @@ public class BootWar extends War implements BootArchive {
 		return callable;
 	}
 
+	private final class LibrarySpec implements Spec<FileCopyDetails> {
+
+		@Override
+		public boolean isSatisfiedBy(FileCopyDetails details) {
+			return isLibrary(details);
+		}
+
+	}
+
+	private final class ZipCompressionResolver implements Function<FileCopyDetails, ZipCompression> {
+
+		@Override
+		public ZipCompression apply(FileCopyDetails details) {
+			return resolveZipCompression(details);
+		}
+
+	}
+
 }