Add missing classpath setters to BootJar and BootWar

Closes gh-15087

Author: wilkinsona

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

@@ -93,11 +93,26 @@ public interface BootArchive extends Task {
 
 	/**
 	 * Adds files to the classpath to include in the archive. The given {@code classpath}
-	 * are evaluated as per {@link Project#files(Object...)}.
+	 * is evaluated as per {@link Project#files(Object...)}.
 	 * @param classpath the additions to the classpath
 	 */
 	void classpath(Object... classpath);
 
+	/**
+	 * Sets the classpath to include in the archive. The given {@code classpath} is
+	 * evaluated as per {@link Project#files(Object...)}.
+	 * @param classpath the classpath
+	 * @since 2.0.7
+	 */
+	void setClasspath(Object classpath);
+
+	/**
+	 * Sets the classpath to include in the archive.
+	 * @param classpath the classpath
+	 * @since 2.0.7
+	 */
+	void setClasspath(FileCollection classpath);
+
 	/**
 	 * Returns {@code true} if the Devtools jar should be excluded, otherwise
 	 * {@code false}.

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

@@ -129,6 +129,14 @@ public void classpath(Object... classpath) {
 				classpath);
 	}
 
+	public void setClasspath(Object classpath) {
+		this.classpath = getProject().files(classpath);
+	}
+
+	public void setClasspath(FileCollection classpath) {
+		this.classpath = getProject().files(classpath);
+	}
+
 	@Override
 	public boolean isExcludeDevtools() {
 		return this.support.isExcludeDevtools();

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

@@ -120,7 +120,7 @@ public FileCollection getProvidedClasspath() {
 
 	/**
 	 * Adds files to the provided classpath to include in the {@code WEB-INF/lib-provided}
-	 * directory of the war. The given {@code classpath} are evaluated as per
+	 * directory of the war. The given {@code classpath} is evaluated as per
 	 * {@link Project#files(Object...)}.
 	 * @param classpath the additions to the classpath
 	 */
@@ -131,6 +131,27 @@ public void providedClasspath(Object... classpath) {
 				classpath);
 	}
 
+	/**
+	 * Sets the provided classpath to include in the {@code WEB-INF/lib-provided}
+	 * directory of the war.
+	 * @param classpath the classpath
+	 * @since 2.0.7
+	 */
+	public void setProvidedClasspath(FileCollection classpath) {
+		this.providedClasspath = getProject().files(classpath);
+	}
+
+	/**
+	 * Sets the provided classpath to include in the {@code WEB-INF/lib-provided}
+	 * directory of the war. The given {@code classpath} is evaluated as per
+	 * {@link Project#files(Object...)}.
+	 * @param classpath the classpath
+	 * @since 2.0.7
+	 */
+	public void setProvidedClasspath(Object classpath) {
+		this.providedClasspath = getProject().files(classpath);
+	}
+
 	@Override
 	public boolean isExcludeDevtools() {
 		return this.support.isExcludeDevtools();

spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/test/java/org/springframework/boot/gradle/tasks/bundling/AbstractBootArchiveTests.java

@@ -128,6 +128,31 @@ public void classpathFoldersArePackagedBeneathClassesPath() throws IOException {
 		}
 	}
 
+	@Test
+	public void classpathCanBeSetUsingAFileCollection() throws IOException {
+		this.task.setMainClassName("com.example.Main");
+		this.task.classpath(this.temp.newFile("one.jar"));
+		this.task
+				.setClasspath(this.task.getProject().files(this.temp.newFile("two.jar")));
+		this.task.execute();
+		try (JarFile jarFile = new JarFile(this.task.getArchivePath())) {
+			assertThat(jarFile.getEntry(this.libPath + "/one.jar")).isNull();
+			assertThat(jarFile.getEntry(this.libPath + "/two.jar")).isNotNull();
+		}
+	}
+
+	@Test
+	public void classpathCanBeSetUsingAnObject() throws IOException {
+		this.task.setMainClassName("com.example.Main");
+		this.task.classpath(this.temp.newFile("one.jar"));
+		this.task.setClasspath(this.temp.newFile("two.jar"));
+		this.task.execute();
+		try (JarFile jarFile = new JarFile(this.task.getArchivePath())) {
+			assertThat(jarFile.getEntry(this.libPath + "/one.jar")).isNull();
+			assertThat(jarFile.getEntry(this.libPath + "/two.jar")).isNotNull();
+		}
+	}
+
 	@Test
 	public void loaderIsWrittenToTheRootOfTheJar() throws IOException {
 		this.task.setMainClassName("com.example.Main");

spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/test/java/org/springframework/boot/gradle/tasks/bundling/BootWarTests.java

@@ -48,6 +48,31 @@ public void providedClasspathJarsArePackagedInWebInfLibProvided() throws IOExcep
 		}
 	}
 
+	@Test
+	public void providedClasspathCanBeSetUsingAFileCollection() throws IOException {
+		getTask().setMainClassName("com.example.Main");
+		getTask().providedClasspath(this.temp.newFile("one.jar"));
+		getTask().setProvidedClasspath(
+				getTask().getProject().files(this.temp.newFile("two.jar")));
+		getTask().execute();
+		try (JarFile jarFile = new JarFile(getTask().getArchivePath())) {
+			assertThat(jarFile.getEntry("WEB-INF/lib-provided/one.jar")).isNull();
+			assertThat(jarFile.getEntry("WEB-INF/lib-provided/two.jar")).isNotNull();
+		}
+	}
+
+	@Test
+	public void providedClasspathCanBeSetUsingAnObject() throws IOException {
+		getTask().setMainClassName("com.example.Main");
+		getTask().providedClasspath(this.temp.newFile("one.jar"));
+		getTask().setProvidedClasspath(this.temp.newFile("two.jar"));
+		getTask().execute();
+		try (JarFile jarFile = new JarFile(getTask().getArchivePath())) {
+			assertThat(jarFile.getEntry("WEB-INF/lib-provided/one.jar")).isNull();
+			assertThat(jarFile.getEntry("WEB-INF/lib-provided/two.jar")).isNotNull();
+		}
+	}
+
 	@Test
 	public void devtoolsJarIsExcludedByDefaultWhenItsOnTheProvidedClasspath()
 			throws IOException {