feat (cpe) introduce a new artifact cpe type (#3763)

* including a artifact cpe type

* removing type kind related to PR 3717

* clean up

* eliminating local path

* go formatting fix

Co-authored-by: anilkeshav27 <you@example.com>

pkg/piperenv/artifact.go

@@ -0,0 +1,18 @@
+package piperenv
+
+type Artifact struct {
+	Name string `json:"name,omitempty"`
+}
+
+type Artifacts []Artifact
+
+func (a Artifacts) FindByName(name string) Artifacts {
+	var filtered Artifacts
+
+	for _, artifact := range a {
+		if artifact.Name == name {
+			filtered = append(filtered, artifact)
+		}
+	}
+	return filtered
+}

pkg/piperenv/artifact_test.go

@@ -0,0 +1,19 @@
+package piperenv
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func Test_Artifacts_FindByName(t *testing.T) {
+	artifacts := Artifacts([]Artifact{{
+		Name: "a.jar",
+	}})
+
+	assert.Len(t, artifacts.FindByName("garbage"), 0)
+	filtered := artifacts.FindByName("a.jar")
+	require.Len(t, filtered, 1)
+	assert.Equal(t, "a.jar", filtered[0].Name)
+}