/
metadata.go
54 lines (49 loc) · 1.47 KB
/
metadata.go
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package maven
import (
"encoding/xml"
"fmt"
"golang.org/x/text/encoding/ianaindex"
"io"
)
type Metadata struct {
ModelVersion string `xml:"model_version,attr"`
GroupId string `xml:"group_id"`
ArtifactId string `xml:"artifact_id"`
Version string `xml:"version"`
SnapshotVersions []SnapshotVersion `xml:"versioning>snapshotVersions>snapshotVersion"`
}
func (m *Metadata) getPomVersionSnapshotSuffix() string {
for _, it := range m.SnapshotVersions {
if it.Extension == "pom" {
return it.Value
}
}
return ""
}
type SnapshotVersion struct {
XMLName xml.Name `xml:"snapshotVersion"`
Classifier string `xml:"classifier"`
Extension string `xml:"extension"`
Value string `xml:"value"`
Updated string `xml:"updated"`
}
func parsePomVersionMeta(reader io.Reader) (*Metadata, error) {
decoder := xml.NewDecoder(reader)
decoder.CharsetReader = func(charset string, input io.Reader) (io.Reader, error) {
enc, err := ianaindex.IANA.Encoding(charset)
if err != nil {
return nil, fmt.Errorf("charset %s: %s", charset, err.Error())
}
if enc == nil {
// Assume it's compatible with (a subset of) UTF-8 encoding
// Bug: https://github.com/golang/go/issues/19421
return reader, nil
}
return enc.NewDecoder().Reader(reader), nil
}
var metadata Metadata
if e := decoder.Decode(&metadata); e != nil {
return nil, fmt.Errorf("parse pom metadata: %w", e)
}
return &metadata, nil
}