Generate label-based BOM for all API versions

application.go

@@ -44,7 +44,6 @@ type Application struct {
 	Logger           bard.Logger
 	BOM              *libcnb.BOM
 	SBOMScanner      sbom.SBOMScanner
-	BuildpackAPI     string
 }
 
 func (a Application) Contribute(layer libcnb.Layer) (libcnb.Layer, error) {
@@ -123,14 +122,12 @@ func (a Application) Contribute(layer libcnb.Layer) (libcnb.Layer, error) {
 		return libcnb.Layer{}, fmt.Errorf("unable to create Build SBoM \n%w", err)
 	}
 
-	if a.BuildpackAPI == "0.6" || a.BuildpackAPI == "0.5" || a.BuildpackAPI == "0.4" || a.BuildpackAPI == "0.3" || a.BuildpackAPI == "0.2" || a.BuildpackAPI == "0.1" {
-		entry, err := a.Cache.AsBOMEntry()
-		if err != nil {
-			return libcnb.Layer{}, fmt.Errorf("unable to generate build dependencies\n%w", err)
-		}
-		entry.Metadata["layer"] = a.Cache.Name()
-		a.BOM.Entries = append(a.BOM.Entries, entry)
+	entry, err := a.Cache.AsBOMEntry()
+	if err != nil {
+		return libcnb.Layer{}, fmt.Errorf("unable to generate build dependencies\n%w", err)
 	}
+	entry.Metadata["layer"] = a.Cache.Name()
+	a.BOM.Entries = append(a.BOM.Entries, entry)
 
 	// Purge Workspace
 	a.Logger.Header("Removing source code")

application_test.go

@@ -26,6 +26,7 @@ import (
 
 	"github.com/buildpacks/libcnb"
 	. "github.com/onsi/gomega"
+	"github.com/paketo-buildpacks/libjvm"
 	"github.com/paketo-buildpacks/libpak"
 	"github.com/paketo-buildpacks/libpak/bard"
 	"github.com/paketo-buildpacks/libpak/effect"
@@ -85,10 +86,9 @@ func testApplication(t *testing.T, context spec.G, it spec.S) {
 				map[string]interface{}{},
 				libcnb.LayerTypes{Cache: true},
 			),
-			Logger:       bard.Logger{},
-			BOM:          bom,
-			SBOMScanner:  sbomScanner,
-			BuildpackAPI: ctx.Buildpack.API,
+			Logger:      bard.Logger{},
+			BOM:         bom,
+			SBOMScanner: sbomScanner,
 		}
 	})
 
@@ -133,7 +133,24 @@ func testApplication(t *testing.T, context spec.G, it spec.S) {
 		Expect(filepath.Join(ctx.Application.Path, "fixture-marker")).To(BeARegularFile())
 
 		sbomScanner.AssertCalled(t, "ScanBuild", ctx.Application.Path, libcnb.CycloneDXJSON, libcnb.SyftJSON)
-		Expect(bom.Entries).To(HaveLen(0))
+		Expect(bom.Entries).To(HaveLen(1))
+		Expect(bom.Entries).To(Equal([]libcnb.BOMEntry{
+			libcnb.BOMEntry{
+				Name: "build-dependencies",
+				Metadata: map[string]interface{}{
+					"layer": "cache",
+					"dependencies": []libjvm.MavenJAR{
+						{
+							Name:    "test-file",
+							Version: "1.1.1",
+							SHA256:  "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
+						},
+					},
+				},
+				Launch: false,
+				Build:  true,
+			},
+		}))
 	})
 
 	context("contributes layer with ", func() {
@@ -285,7 +302,6 @@ func testApplication(t *testing.T, context spec.G, it spec.S) {
 				Expect(filepath.Join(ctx.Application.Path, "native-sources", "stub-executable.jar")).To(BeAnExistingFile())
 				Expect(filepath.Join(ctx.Application.Path, "code-sources", "source-stub-application.jar")).To(BeAnExistingFile())
 				Expect(filepath.Join(ctx.Application.Path, "code-sources", "source-stub-executable.jar")).To(BeAnExistingFile())
-
 			})
 		})
 	})

factory.go

@@ -37,7 +37,6 @@ func (f *ApplicationFactory) NewApplication(
 	bom *libcnb.BOM,
 	applicationPath string,
 	bomScanner sbom.SBOMScanner,
-	buildpackAPI string,
 ) (Application, error) {
 
 	app := Application{
@@ -49,7 +48,6 @@ func (f *ApplicationFactory) NewApplication(
 		Executor:         f.Executor,
 		BOM:              bom,
 		SBOMScanner:      bomScanner,
-		BuildpackAPI:     buildpackAPI,
 	}
 
 	expected, err := f.expectedMetadata(additionalMetadata, app)

factory_test.go

@@ -86,7 +86,6 @@ func testFactory(t *testing.T, context spec.G, it spec.S) {
 				},
 			}
 			bomScanner := sbom.NewSyftCLISBOMScanner(libcnb.Layers{}, executor, bard.Logger{})
-			buildpackAPI := "0.7"
 
 			application, err = applicationFactory.NewApplication(
 				map[string]interface{}{"addl-key": "addl-value"},
@@ -97,7 +96,6 @@ func testFactory(t *testing.T, context spec.G, it spec.S) {
 				nil,
 				appDir,
 				bomScanner,
-				buildpackAPI,
 			)
 			Expect(err).NotTo(HaveOccurred())
 		})