test whether the given string is a legal lexical form of this datatype . concode_field_sep String datatypeURI concode_elem_sep String uri concode_elem_sep String lexicalValue concode_field_sep boolean isEqualPlain concode_elem_sep boolean isEqual concode_elem_sep Object parse concode_elem_sep boolean isValidValue concode_elem_sep int hashCode concode_elem_sep int getHashCode concode_elem_sep boolean equals concode_elem_sep Object extendedTypeDefinition concode_elem_sep RDFDatatype normalizeSubType concode_elem_sep boolean isValidLiteral concode_elem_sep Object cannonicalise concode_elem_sep String toString concode_elem_sep String unparse concode_elem_sep boolean langTagCompatible concode_elem_sep Class<?> getJavaClass concode_elem_sep String getURI
boolean function ( String arg0 ) { try { parse ( arg0 ) ; return true ; } catch ( DatatypeFormatException loc0 ) { return false ; } }