read mvn meta

maven/meta.go

@@ -0,0 +1,25 @@
+package maven
+
+import (
+	http "github.com/nothub/mrpack-install/requester"
+)
+
+type Metadata struct {
+	GroupId    string `xml:"groupId"`
+	ArtifactId string `xml:"artifactId"`
+	Versioning struct {
+		Latest      string   `xml:"latest"`
+		Release     string   `xml:"release"`
+		Versions    []string `xml:"versions>version"`
+		LastUpdated string   `xml:"lastUpdated"` // TODO: use Time type
+	} `xml:"versioning"`
+}
+
+func FetchMetadata(url string) (*Metadata, error) {
+	m := &Metadata{}
+	err := http.DefaultHttpClient.GetXml(url, m, nil)
+	if err != nil {
+		return nil, err
+	}
+	return m, nil
+}

maven/meta_test.go

@@ -0,0 +1,16 @@
+package maven
+
+import (
+	"testing"
+)
+
+func TestFetchMetadata(t *testing.T) {
+	m, err := FetchMetadata("https://maven.quiltmc.org/repository/release/org/quiltmc/quilt-installer/maven-metadata.xml")
+	if err != nil {
+		t.Fatal(err.Error())
+	}
+	if m.ArtifactId != "quilt-installer" {
+		t.Fatal("wrong artifact id")
+	}
+	t.Logf("%++v", m)
+}