rename all remaining packages to internal/ (#12418)

This is to ensure that there are no projects
that try to import `minio/minio/pkg` into
their own repo. Any such common packages should
go to `https://github.com/minio/pkg`

internal/bucket/lifecycle/noncurrentversion.go

@@ -0,0 +1,114 @@
+// Copyright (c) 2015-2021 MinIO, Inc.
+//
+// This file is part of MinIO Object Storage stack
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package lifecycle
+
+import (
+	"encoding/xml"
+)
+
+// NoncurrentVersionExpiration - an action for lifecycle configuration rule.
+type NoncurrentVersionExpiration struct {
+	XMLName        xml.Name       `xml:"NoncurrentVersionExpiration"`
+	NoncurrentDays ExpirationDays `xml:"NoncurrentDays,omitempty"`
+	set            bool
+}
+
+// MarshalXML if non-current days not set to non zero value
+func (n NoncurrentVersionExpiration) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
+	if n.IsDaysNull() {
+		return nil
+	}
+	type noncurrentVersionExpirationWrapper NoncurrentVersionExpiration
+	return e.EncodeElement(noncurrentVersionExpirationWrapper(n), start)
+}
+
+// UnmarshalXML decodes NoncurrentVersionExpiration
+func (n *NoncurrentVersionExpiration) UnmarshalXML(d *xml.Decoder, startElement xml.StartElement) error {
+	type noncurrentVersionExpirationWrapper NoncurrentVersionExpiration
+	var val noncurrentVersionExpirationWrapper
+	err := d.DecodeElement(&val, &startElement)
+	if err != nil {
+		return err
+	}
+	*n = NoncurrentVersionExpiration(val)
+	n.set = true
+	return nil
+}
+
+// IsDaysNull returns true if days field is null
+func (n NoncurrentVersionExpiration) IsDaysNull() bool {
+	return n.NoncurrentDays == ExpirationDays(0)
+}
+
+// Validate returns an error with wrong value
+func (n NoncurrentVersionExpiration) Validate() error {
+	if !n.set {
+		return nil
+	}
+	val := int(n.NoncurrentDays)
+	if val <= 0 {
+		return errXMLNotWellFormed
+	}
+	return nil
+}
+
+// NoncurrentVersionTransition - an action for lifecycle configuration rule.
+type NoncurrentVersionTransition struct {
+	NoncurrentDays ExpirationDays `xml:"NoncurrentDays"`
+	StorageClass   string         `xml:"StorageClass"`
+	set            bool
+}
+
+// MarshalXML is extended to leave out
+// <NoncurrentVersionTransition></NoncurrentVersionTransition> tags
+func (n NoncurrentVersionTransition) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
+	if n.NoncurrentDays == ExpirationDays(0) {
+		return nil
+	}
+	type noncurrentVersionTransitionWrapper NoncurrentVersionTransition
+	return e.EncodeElement(noncurrentVersionTransitionWrapper(n), start)
+}
+
+// IsDaysNull returns true if days field is null
+func (n NoncurrentVersionTransition) IsDaysNull() bool {
+	return n.NoncurrentDays == ExpirationDays(0)
+}
+
+// UnmarshalXML decodes NoncurrentVersionExpiration
+func (n *NoncurrentVersionTransition) UnmarshalXML(d *xml.Decoder, startElement xml.StartElement) error {
+	type noncurrentVersionTransitionWrapper NoncurrentVersionTransition
+	var val noncurrentVersionTransitionWrapper
+	err := d.DecodeElement(&val, &startElement)
+	if err != nil {
+		return err
+	}
+	*n = NoncurrentVersionTransition(val)
+	n.set = true
+	return nil
+}
+
+// Validate returns an error with wrong value
+func (n NoncurrentVersionTransition) Validate() error {
+	if !n.set {
+		return nil
+	}
+	if int(n.NoncurrentDays) <= 0 || n.StorageClass == "" {
+		return errXMLNotWellFormed
+	}
+	return nil
+}