Method ChecksumMode

api-get-object-attributes.go:153–175

ChecksumMode returns the checksum mode of the object. If unable to determine, returns ChecksumUnknownMode.

()

// ChecksumMode returns the checksum mode of the object.
// If unable to determine, returns ChecksumUnknownMode.
func (o *ObjectAttributesResponse) ChecksumMode() ChecksumMode {
	t := o.ChecksumType()
	if !t.IsSet() {
		return ChecksumUnknownMode
	}
	switch o.Checksum.ChecksumType {
	case amzChecksumModeComposite:
		return ChecksumCompositeMode
	case amzChecksumModeFullObject:
		return ChecksumFullObjectMode
	case "":
		// Likely not supported by the server.
		if o.Checksum.ChecksumCRC64NVME != "" || !strings.ContainsRune(o.ETag, '-') {
			// Always full object.
			return ChecksumFullObjectMode
		}
		if !t.CanMergeCRC() {
			// Only composite possible.
			return ChecksumCompositeMode
		}
	}
	return ChecksumUnknownMode
}

// ChecksumType returns the checksum type of the object.
// If none is set, returns ChecksumNone.