mirror of
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148 lines
3.8 KiB
Go
148 lines
3.8 KiB
Go
package s3api
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import (
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"encoding/xml"
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"time"
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)
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// Status represents lifecycle configuration status
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type ruleStatus string
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// Supported status types
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const (
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Enabled ruleStatus = "Enabled"
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Disabled ruleStatus = "Disabled"
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)
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// Lifecycle - Configuration for bucket lifecycle.
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type Lifecycle struct {
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XMLName xml.Name `xml:"LifecycleConfiguration"`
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Rules []Rule `xml:"Rule"`
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}
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// Rule - a rule for lifecycle configuration.
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type Rule struct {
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XMLName xml.Name `xml:"Rule"`
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ID string `xml:"ID,omitempty"`
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Status ruleStatus `xml:"Status"`
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Filter Filter `xml:"Filter,omitempty"`
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Prefix Prefix `xml:"Prefix,omitempty"`
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Expiration Expiration `xml:"Expiration,omitempty"`
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Transition Transition `xml:"Transition,omitempty"`
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}
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// Filter - a filter for a lifecycle configuration Rule.
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type Filter struct {
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XMLName xml.Name `xml:"Filter"`
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set bool
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Prefix Prefix
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And And
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andSet bool
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Tag Tag
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tagSet bool
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}
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// Prefix holds the prefix xml tag in <Rule> and <Filter>
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type Prefix struct {
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string
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set bool
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}
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// MarshalXML - decodes XML data.
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func (p Prefix) MarshalXML(e *xml.Encoder, startElement xml.StartElement) error {
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if !p.set {
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return nil
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}
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return e.EncodeElement(p.string, startElement)
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}
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func (f Filter) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
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if err := e.EncodeToken(start); err != nil {
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return err
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}
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if err := e.EncodeElement(f.Prefix, xml.StartElement{Name: xml.Name{Local: "Prefix"}}); err != nil {
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return err
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}
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return e.EncodeToken(xml.EndElement{Name: start.Name})
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}
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// And - a tag to combine a prefix and multiple tags for lifecycle configuration rule.
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type And struct {
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XMLName xml.Name `xml:"And"`
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Prefix Prefix `xml:"Prefix,omitempty"`
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Tags []Tag `xml:"Tag,omitempty"`
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}
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// Expiration - expiration actions for a rule in lifecycle configuration.
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type Expiration struct {
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XMLName xml.Name `xml:"Expiration"`
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Days int `xml:"Days,omitempty"`
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Date ExpirationDate `xml:"Date,omitempty"`
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DeleteMarker ExpireDeleteMarker `xml:"ExpiredObjectDeleteMarker"`
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set bool
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}
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// MarshalXML encodes expiration field into an XML form.
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func (e Expiration) MarshalXML(enc *xml.Encoder, startElement xml.StartElement) error {
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if !e.set {
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return nil
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}
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type expirationWrapper Expiration
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return enc.EncodeElement(expirationWrapper(e), startElement)
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}
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// ExpireDeleteMarker represents value of ExpiredObjectDeleteMarker field in Expiration XML element.
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type ExpireDeleteMarker struct {
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val bool
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set bool
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}
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// MarshalXML encodes delete marker boolean into an XML form.
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func (b ExpireDeleteMarker) MarshalXML(e *xml.Encoder, startElement xml.StartElement) error {
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if !b.set {
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return nil
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}
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return e.EncodeElement(b.val, startElement)
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}
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// ExpirationDate is a embedded type containing time.Time to unmarshal
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// Date in Expiration
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type ExpirationDate struct {
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time.Time
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}
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// MarshalXML encodes expiration date if it is non-zero and encodes
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// empty string otherwise
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func (eDate ExpirationDate) MarshalXML(e *xml.Encoder, startElement xml.StartElement) error {
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if eDate.Time.IsZero() {
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return nil
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}
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return e.EncodeElement(eDate.Format(time.RFC3339), startElement)
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}
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// Transition - transition actions for a rule in lifecycle configuration.
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type Transition struct {
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XMLName xml.Name `xml:"Transition"`
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Days int `xml:"Days,omitempty"`
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Date time.Time `xml:"Date,omitempty"`
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StorageClass string `xml:"StorageClass,omitempty"`
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set bool
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}
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// MarshalXML encodes transition field into an XML form.
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func (t Transition) MarshalXML(enc *xml.Encoder, start xml.StartElement) error {
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if !t.set {
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return nil
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}
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type transitionWrapper Transition
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return enc.EncodeElement(transitionWrapper(t), start)
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}
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// TransitionDays is a type alias to unmarshal Days in Transition
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type TransitionDays int
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