}

	if encodingType != "" {
		// AWS S3 spec only supports 'url' encoding type
		if !strings.EqualFold(encodingType, "url") {
			return ErrInvalidEncodingMethod
		}
	}

	if !IsValidObjectPrefix(prefix) {
		return ErrInvalidObjectName
	}

	if marker != "" && !HasPrefix(marker, prefix) {
		return ErrNotImplemented
	}

	return ErrNone
}

	if len(object) == 0 {
		return false
	}
	if HasSuffix(object, SlashSeparator) {
		return false
	}
	return IsValidObjectPrefix(object)
}

// IsValidObjectPrefix verifies whether the prefix is a valid object name.
// Its valid to have a empty prefix.
func IsValidObjectPrefix(object string) bool {
	if hasBadPathComponent(object) {
		return false
	}
	if !utf8.ValidString(object) {
		return false