1 files changed, 47 insertions, 0 deletions
diff --git a/lib/sbom/package_url/normalizer.rb b/lib/sbom/package_url/normalizer.rb
new file mode 100644
index 00000000000..663df6f72a5
--- /dev/null
+++ b/lib/sbom/package_url/normalizer.rb
@@ -0,0 +1,47 @@
+# frozen_string_literal: true
+
+module Sbom
+  class PackageUrl
+    class Normalizer
+      def initialize(type:, text:)
+        @type = type
+        @text = text
+      end
+
+      def normalize_namespace
+        return if text.nil?
+
+        normalize
+      end
+
+      def normalize_name
+        raise ArgumentError, 'Name is required' if text.nil?
+
+        normalize
+      end
+
+      private
+
+      def normalize
+        case type
+        when 'bitbucket', 'github'
+          downcase
+        when 'pypi'
+          normalize_pypi
+        else
+          text
+        end
+      end
+
+      attr_reader :type, :text
+
+      def downcase
+        text.downcase
+      end
+
+      def normalize_pypi
+        downcase.tr('_', '-')
+      end
+    end
+  end
+end