Java Utililty Methods Date XML Format

String formatDateToXML(Date dateTime)
format Date To XML

return formatDate(dateTime, XML_DATE_TIME_FORMAT);

String formatToXMLDate(Date date)
format To XML Date

try {
 return new SimpleDateFormat("yyyyMMdd").format(date);
} catch (Exception e) {
 return null;

String formatXml(Date date)
Convert date to XML format

return formatXml(date, null);

String formatXMLDate(Date date, String pattern)
format XML Date

StringBuffer sb = new StringBuffer();
addXMLHeader(sb);
sb.append("<Date pattern=\"");
sb.append(pattern);
sb.append("\" >");
SimpleDateFormat fmt = new SimpleDateFormat(pattern);
sb.append(fmt.format(date));
sb.append("</Date>");
...

long getTime(String xmlDateTime)
Gets the time, in milliseconds, from an XML date time string as defined at http://www.w3.org/TR/xmlschema-2/#dateTime

ParsePosition position = new ParsePosition(0);
Date date = ISO_8601_BASE.parse(xmlDateTime, position);
if (date == null) {
 throw new IllegalArgumentException("Invalid XML dateTime value: " + xmlDateTime + " (at position "
 + position.getErrorIndex() + ")");
Matcher matcher = ISO_8601_EXTRAS.matcher(xmlDateTime.substring(position.getIndex()));
if (!matcher.matches()) {
...

String getXmlTime(Date date)
get Xml Time

return fixTimezone((new SimpleDateFormat(XML_TIME_FORMAT)).format(date));

Date parse(String xmlDateTime)
parse

if (xmlDateTime.length() != 25) {
 throw new ParseException("Date not in expected xsd:datetime format", 0);
StringBuilder sb = new StringBuilder(xmlDateTime);
sb.deleteCharAt(22);
SimpleDateFormat simpleDateFormat = new SimpleDateFormat(XSD_DATETIME);
return simpleDateFormat.parse(sb.toString());

String toXMLDateTime(final Date date)
Transform a Date object to a String formatted according to the specification of the dateTime datatype of XML schema.
See section 3.2.7 of the XML Specification for details.

if (date == null)
 return null;
SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSXX");
formatter.setTimeZone(TimeZone.getTimeZone("UTC"));
return formatter.format(date);

Date xml2Date(String xmlDate)
xml Date

return xmlDateFormat.parse(xmlDate);

String XML2HL7(String XMLDate)
XMLHL

String out = "";
Date d;
try {
 d = XMLDateFmt.parse(XMLDate);
 out = HL7DateFmt.format(d);
} catch (Exception exp) {
 System.err.println(exp.getMessage());
return out;