use mimeutils

pkg/contexts/ocm/accessmethods/mvn/artifact.go

@@ -4,6 +4,7 @@ import (
 	"strings"
 
 	"github.com/open-component-model/ocm/pkg/mime"
+	"github.com/open-component-model/ocm/pkg/mimeutils"
 )
 
 // Artifact holds the typical Maven coordinates groupId, artifactId, version and packaging.
@@ -86,17 +87,9 @@ func (a *Artifact) ClassifierExtensionFrom(filename string) *Artifact {
 // MimeType returns the MIME type of the Maven Artifact based on the file extension.
 // Default is application/x-tgz.
 func (a *Artifact) MimeType() string {
-	switch a.Extension {
-	case "jar":
-		return mime.MIME_JAR
-	case "json", "module":
-		return mime.MIME_JSON
-	case "pom", "xml":
-		return mime.MIME_XML
-	case "tar.gz":
-		return mime.MIME_TGZ
-	case "zip":
-		return mime.MIME_GZIP
+	m := mimeutils.TypeByExtension("." + a.Extension)
+	if m != "" {
+		return m
 	}
 	return mime.MIME_TGZ
 }

pkg/mimeutils/type.go

@@ -83,11 +83,16 @@ var builtinTypesLower = map[string]string{
 	".webp": "image/webp",
 	".xml":  "text/xml; charset=utf-8",
 	// added entries
-	".txt":  ocmmime.MIME_TEXT,
-	".yaml": ocmmime.MIME_YAML_OFFICIAL,
-	".gzip": ocmmime.MIME_GZIP,
-	".tar":  ocmmime.MIME_TAR,
-	".tgz":  ocmmime.MIME_TGZ,
+	".txt":    ocmmime.MIME_TEXT,
+	".yaml":   ocmmime.MIME_YAML_OFFICIAL,
+	".gzip":   ocmmime.MIME_GZIP,
+	".tar":    ocmmime.MIME_TAR,
+	".tgz":    ocmmime.MIME_TGZ,
+	".tar.gz": ocmmime.MIME_TGZ,
+	".pom":    ocmmime.MIME_XML,
+	".zip":    ocmmime.MIME_GZIP,
+	".jar":    ocmmime.MIME_JAR,
+	".module": ocmmime.MIME_JSON, // gradle module metadata
 }
 
 var once sync.Once // guards initMime