Add support for multiple output files in different formats (#732)

internal/anchore/import_package_sbom.go

@@ -25,7 +25,7 @@ type packageSBOMImportAPI interface {
 func packageSbomModel(s sbom.SBOM) (*external.ImagePackageManifest, error) {
 	var buf bytes.Buffer
 
-	err := syftjson.Format().Presenter(s).Present(&buf)
+	err := syftjson.Format().Encode(&buf, s)
 	if err != nil {
 		return nil, fmt.Errorf("unable to serialize results: %w", err)
 	}
@@ -33,7 +33,7 @@ func packageSbomModel(s sbom.SBOM) (*external.ImagePackageManifest, error) {
 	// the model is 1:1 the JSON output of today. As the schema changes, this will need to be converted into individual mappings.
 	var model external.ImagePackageManifest
 	if err = json.Unmarshal(buf.Bytes(), &model); err != nil {
-		return nil, fmt.Errorf("unable to convert JSON presenter output to import model: %w", err)
+		return nil, fmt.Errorf("unable to convert JSON output to import model: %w", err)
 	}
 
 	return &model, nil

internal/anchore/import_package_sbom_test.go

@@ -105,8 +105,7 @@ func TestPackageSbomToModel(t *testing.T) {
 	}
 
 	var buf bytes.Buffer
-	pres := syftjson.Format().Presenter(s)
-	if err := pres.Present(&buf); err != nil {
+	if err := syftjson.Format().Encode(&buf, s); err != nil {
 		t.Fatalf("unable to get expected json: %+v", err)
 	}