rename packaages

src/parser/json.go

@@ -0,0 +1,57 @@
+// JSON 1.0 parser
+package parser
+
+import (
+	"encoding/json"
+	"io"
+)
+
+type jsonFeed struct {
+	Version string     `json:"version"`
+	Title   string     `json:"title"`
+	SiteURL string     `json:"home_page_url"`
+	Items   []jsonItem `json:"items"`
+}
+
+type jsonItem struct {
+	ID            string           `json:"id"`
+	URL           string           `json:"url"`
+	Title         string           `json:"title"`
+	Summary       string           `json:"summary"`
+	Text          string           `json:"content_text"`
+	HTML          string           `json:"content_html"`
+	DatePublished string           `json:"date_published"`
+	DateModified  string           `json:"date_modified"`
+	Attachments   []jsonAttachment `json:"attachments"`
+}
+
+type jsonAttachment struct {
+	URL      string `json:"url"`
+	MimeType string `json:"mime_type"`
+	Title    string `json:"title"`
+	Size     int64  `json:"size_in_bytes"`
+	Duration int    `json:"duration_in_seconds"`
+}
+
+func ParseJSON(data io.Reader) (*Feed, error) {
+	srcfeed := new(jsonFeed)
+	decoder := json.NewDecoder(data)
+	if err := decoder.Decode(&srcfeed); err != nil {
+		return nil, err
+	}
+
+	dstfeed := &Feed{
+		Title:   srcfeed.Title,
+		SiteURL: srcfeed.SiteURL,
+	}
+	for _, srcitem := range srcfeed.Items {
+		dstfeed.Items = append(dstfeed.Items, Item{
+			GUID:    srcitem.ID,
+			Date:    dateParse(firstNonEmpty(srcitem.DatePublished, srcitem.DateModified)),
+			URL:     srcitem.URL,
+			Title:   srcitem.Title,
+			Content: firstNonEmpty(srcitem.HTML, srcitem.Text, srcitem.Summary),
+		})
+	}
+	return dstfeed, nil
+}