示例#1
0
文件: list_all.go 项目: okdave/gcloud
// Repeatedly call bucket.ListObjects until there is nothing further to list,
// returning all objects and collapsed runs encountered.
//
// May modify *req.
func ListAll(
	ctx context.Context,
	bucket gcs.Bucket,
	req *gcs.ListObjectsRequest) (
	objects []*gcs.Object,
	runs []string,
	err error) {
	for {
		// Grab one set of results.
		var listing *gcs.Listing
		if listing, err = bucket.ListObjects(ctx, req); err != nil {
			return
		}

		// Accumulate the results.
		objects = append(objects, listing.Objects...)
		runs = append(runs, listing.CollapsedRuns...)

		// Are we done?
		if listing.ContinuationToken == "" {
			break
		}

		req.ContinuationToken = listing.ContinuationToken
	}

	return
}
示例#2
0
func (b *prefixBucket) ListObjects(
	ctx context.Context,
	req *gcs.ListObjectsRequest) (l *gcs.Listing, err error) {
	// Modify the request and call through.
	mReq := new(gcs.ListObjectsRequest)
	*mReq = *req
	mReq.Prefix = b.prefix + mReq.Prefix

	l, err = b.wrapped.ListObjects(ctx, mReq)

	// Modify the returned listing.
	if l != nil {
		for _, o := range l.Objects {
			o.Name = b.localName(o.Name)
		}

		for i, n := range l.CollapsedRuns {
			l.CollapsedRuns[i] = strings.TrimPrefix(n, b.prefix)
		}
	}

	return
}