NativeImagePluginAction Class — spring-boot Architecture

Source Code

build-plugin/spring-boot-gradle-plugin/src/main/java/org/springframework/boot/gradle/plugin/NativeImagePluginAction.java lines 44–117

class NativeImagePluginAction implements PluginApplicationAction {

	@Override
	public Class<? extends Plugin<? extends Project>> getPluginClass() {
		return NativeImagePlugin.class;
	}

	@Override
	public void execute(Project project) {
		project.getPlugins().apply(SpringBootAotPlugin.class);
		project.getPlugins().withType(JavaPlugin.class).all((plugin) -> {
			JavaPluginExtension javaPluginExtension = project.getExtensions().getByType(JavaPluginExtension.class);
			SourceSetContainer sourceSets = javaPluginExtension.getSourceSets();
			GraalVMExtension graalVmExtension = configureGraalVmExtension(project);
			configureMainNativeBinaryClasspath(project, sourceSets, graalVmExtension);
			configureTestNativeBinaryClasspath(sourceSets, graalVmExtension);
			copyReachabilityMetadataToBootJar(project);
			configureJarManifestNativeAttribute(project);
		});
	}

	private void configureMainNativeBinaryClasspath(Project project, SourceSetContainer sourceSets,
			GraalVMExtension graalVmExtension) {
		FileCollection runtimeClasspath = sourceSets.getByName(SpringBootAotPlugin.AOT_SOURCE_SET_NAME)
			.getRuntimeClasspath();
		graalVmExtension.getBinaries().getByName(NativeImagePlugin.NATIVE_MAIN_EXTENSION).classpath(runtimeClasspath);
		Configuration nativeImageClasspath = project.getConfigurations().getByName("nativeImageClasspath");
		nativeImageClasspath.setExtendsFrom(removeDevelopmentOnly(nativeImageClasspath.getExtendsFrom()));
	}

	private Iterable<Configuration> removeDevelopmentOnly(Set<Configuration> configurations) {
		return configurations.stream()
			.filter(this::isNotDevelopmentOnly)
			.collect(Collectors.toCollection(LinkedHashSet::new));
	}

	private boolean isNotDevelopmentOnly(Configuration configuration) {
		return !SpringBootPlugin.DEVELOPMENT_ONLY_CONFIGURATION_NAME.equals(configuration.getName())
				&& !SpringBootPlugin.TEST_AND_DEVELOPMENT_ONLY_CONFIGURATION_NAME.equals(configuration.getName());
	}

	private void configureTestNativeBinaryClasspath(SourceSetContainer sourceSets, GraalVMExtension graalVmExtension) {
		FileCollection runtimeClasspath = sourceSets.getByName(SpringBootAotPlugin.AOT_TEST_SOURCE_SET_NAME)
			.getRuntimeClasspath();
		graalVmExtension.getBinaries().getByName(NativeImagePlugin.NATIVE_TEST_EXTENSION).classpath(runtimeClasspath);
	}

	private GraalVMExtension configureGraalVmExtension(Project project) {
		GraalVMExtension extension = project.getExtensions().getByType(GraalVMExtension.class);
		extension.getToolchainDetection().set(false);
		return extension;
	}

	private void copyReachabilityMetadataToBootJar(Project project) {
		project.getTasks()
			.named(SpringBootPlugin.BOOT_JAR_TASK_NAME, BootJar.class)
			.configure((bootJar) -> bootJar.from(project.getTasks().named("collectReachabilityMetadata")));
	}

	private void configureJarManifestNativeAttribute(Project project) {
		project.getTasks()
			.named(SpringBootPlugin.BOOT_JAR_TASK_NAME, BootJar.class)
			.configure(this::addNativeProcessedAttribute);
	}

	private void addNativeProcessedAttribute(BootJar bootJar) {
		bootJar.manifest(this::addNativeProcessedAttribute);
	}

	private void addNativeProcessedAttribute(Manifest manifest) {
		manifest.getAttributes().put("Spring-Boot-Native-Processed", true);
	}

}