Validating the Song Document

D:\speaking\XML & Web Services 2002 London\schemas\examples>java sax.SAX2Count -v original_hotcop.xml [Error] original_hotcop.xml:10:25: Datatype error: In element 'LENGTH' : Value '6:20' is not legal value for current datatype. null. original_hotcop.xml: 1583 ms (10 elems, 2 attrs, 30 spaces, 98 chars)

Here's the problem:

<?xml version="1.0"?>
<SONG xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
      xsi:noNamespaceSchemaLocation="simple_song.xsd">
  <TITLE>Hot Cop</TITLE>
  <COMPOSER>Jacques Morali</COMPOSER>
  <COMPOSER>Henri Belolo</COMPOSER>
  <COMPOSER>Victor Willis</COMPOSER>
  <PRODUCER>Jacques Morali</PRODUCER>
  <PUBLISHER>PolyGram Records</PUBLISHER>
  <LENGTH>6:20</LENGTH>
  <YEAR>1978</YEAR>
  <ARTIST>Village People</ARTIST>  
</SONG>

The LENGTH element not in the schema time duration format! which is ISO 8601 "PnYn MnDTnH nMnS, where nY represents the number of years, nM the number of months, nD the number of days, 'T' is the date/time separator, nH the number of hours, nM the number of minutes and nS the number of seconds. The number of seconds can include decimal digits to arbitrary precision. An optional preceding minus sign ('-') is allowed, to indicate a negative duration."

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