func (filter FilterRule) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
	if filter.isEmpty() {
		return nil
	}
	type filterRuleWrapper FilterRule
	return e.EncodeElement(filterRuleWrapper(filter), start)
}

// UnmarshalXML - decodes XML data.
func (filter *FilterRule) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
	// Make subtype to avoid recursive UnmarshalXML().

type RetentionDate struct {
	time.Time
}

// UnmarshalXML parses date from Retention and validates date format
func (rDate *RetentionDate) UnmarshalXML(d *xml.Decoder, startElement xml.StartElement) error {
	var dateStr string
	err := d.DecodeElement(&dateStr, &startElement)
	if err != nil {
		return err
	}
	// While AWS documentation mentions that the date specified
	// must be present in ISO 8601 format, in reality they allow

	if d.Status != Disabled && d.Status != Enabled {
		return errInvalidDeleteReplicationStatus
	}
	return nil
}

// UnmarshalXML - decodes XML data.
func (d *DeleteReplication) UnmarshalXML(dec *xml.Decoder, start xml.StartElement) (err error) {
	// Make subtype to avoid recursive UnmarshalXML().
	type deleteReplication DeleteReplication
	drep := deleteReplication{}

	if err := dec.DecodeElement(&drep, &start); err != nil {
		return err
	}

        @Override
        public void startDocument() {
            dataMap.clear();
        }

        @Override
        public void startElement(final String uri, final String localName, final String qName, final Attributes attributes) {
            if ("field".equals(qName)) {
                fieldName = attributes.getValue("name");

        @Override
        public void startDocument() {
            sitemapSet = new SitemapSet();
            sitemapSet.setType(SitemapSet.URLSET);
        }

        @Override
        public void startElement(final String uri, final String localName, final String qName, final Attributes attributes) {
            // Support both with and without namespace prefixes
            final String elementName = getElementName(localName, qName);

     * @param attributes the attributes attached to the element
     * @throws SAXException if a SAX error occurs or if the XML format is invalid
     */
    @Override
    public void startElement(final String uri, final String localName, final String qName, final Attributes attributes)
            throws SAXException {
        if (logger.isDebugEnabled()) {
            logger.debug("Start element: name={}", qName);

	Object
	IsLatest  bool
	VersionID string `xml:"VersionId"`

	isDeleteMarker bool
}

// MarshalXML - marshal ObjectVersion
func (o ObjectVersion) MarshalXML(e *xxml.Encoder, start xxml.StartElement) error {
	if o.isDeleteMarker {
		start.Name.Local = "DeleteMarker"
	} else {
		start.Name.Local = "Version"
	}
	type objectVersionWrapper ObjectVersion

	return sp == nil
}

var selectParamsXMLName = "SelectParameters"

// UnmarshalXML - decodes XML data.
func (sp *SelectParameters) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
	// Essentially the same as S3Select barring the xml name.
	if start.Name.Local == selectParamsXMLName {
		start.Name = xml.Name{Space: "", Local: "SelectRequest"}
	}