LayerResolver Class — spring-boot Architecture

Source Code

build-plugin/spring-boot-gradle-plugin/src/main/java/org/springframework/boot/gradle/tasks/bundling/LayerResolver.java lines 40–90

class LayerResolver {

	private final ResolvedDependencies resolvedDependencies;

	private final LayeredSpec layeredConfiguration;

	private final Spec<FileCopyDetails> librarySpec;

	LayerResolver(ResolvedDependencies resolvedDependencies, LayeredSpec layeredConfiguration,
			Spec<FileCopyDetails> librarySpec) {
		this.resolvedDependencies = resolvedDependencies;
		this.layeredConfiguration = layeredConfiguration;
		this.librarySpec = librarySpec;
	}

	@Nullable Layer getLayer(FileCopyDetails details) {
		try {
			if (this.librarySpec.isSatisfiedBy(details)) {
				return getLayer(asLibrary(details));
			}
			return getLayer(details.getSourcePath());
		}
		catch (UnsupportedOperationException ex) {
			return null;
		}
	}

	Layer getLayer(Library library) {
		return this.layeredConfiguration.asLayers().getLayer(library);
	}

	Layer getLayer(String applicationResource) {
		return this.layeredConfiguration.asLayers().getLayer(applicationResource);
	}

	Iterable<Layer> getLayers() {
		return this.layeredConfiguration.asLayers();
	}

	private Library asLibrary(FileCopyDetails details) {
		File file = details.getFile();
		DependencyDescriptor dependency = this.resolvedDependencies.find(file);
		if (dependency == null) {
			return new Library(null, file, null, null, false, false, true);
		}
		LibraryCoordinates coordinates = dependency.getCoordinates();
		boolean projectDependency = dependency.isProjectDependency();
		return new Library(null, file, null, coordinates, false, projectDependency, true);
	}

}