Ejemplo n.º 1
0
func Example_listObjects() {
	// see the auth example how to initiate a context.
	ctx := cloud.NewContext("project-id", &http.Client{Transport: nil})

	var query *storage.Query
	for {
		// If you are using this package on App Engine Managed VMs runtime,
		// you can init a bucket client with your app's default bucket name.
		// See http://godoc.org/google.golang.org/appengine/file#DefaultBucketName.
		objects, err := storage.List(ctx, "bucketname", query)
		if err != nil {
			log.Fatal(err)
		}
		for _, obj := range objects.Results {
			log.Printf("object name: %s, size: %v", obj.Name, obj.Size)
		}
		// if there are more results, objects.Next
		// will be non-nil.
		query = objects.Next
		if query == nil {
			break
		}
	}

	log.Println("paginated through all object items in the bucket you specified.")
}
Ejemplo n.º 2
0
// listBucket lists the contents of a bucket in Google Cloud Storage.
func (d *demo) listBucket() {
	io.WriteString(d.w, "\nListbucket result:\n")

	query := &storage.Query{Prefix: "foo"}
	for query != nil {
		objs, err := storage.List(d.ctx, d.bucket, query)
		if err != nil {
			d.errorf("listBucket: unable to list bucket %q: %v", d.bucket, err)
			return
		}
		query = objs.Next

		for _, obj := range objs.Results {
			d.dumpStats(obj)
		}
	}
}
Ejemplo n.º 3
0
func (d *demo) listDir(name, indent string) {
	query := &storage.Query{Prefix: name, Delimiter: "/"}
	for query != nil {
		objs, err := storage.List(d.ctx, d.bucket, query)
		if err != nil {
			d.errorf("listBucketDirMode: unable to list bucket %q: %v", d.bucket, err)
			return
		}
		query = objs.Next

		for _, obj := range objs.Results {
			fmt.Fprint(d.w, indent)
			d.dumpStats(obj)
		}
		for _, dir := range objs.Prefixes {
			fmt.Fprintf(d.w, "%v(directory: /%v/%v)\n", indent, d.bucket, dir)
			d.listDir(dir, indent+"  ")
		}
	}
}