stevedlawrence commented on a change in pull request #173: Allow implicit
conversion of string to HexBinary
URL: https://github.com/apache/incubator-daffodil/pull/173#discussion_r251584674
##########
File path:
daffodil-runtime1/src/main/scala/org/apache/daffodil/dpath/ConverterOps2.scala
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@@ -78,3 +78,15 @@ case object StringToTime extends Converter {
result
}
}
+
+case object StringToHexBinary extends Converter with HexBinaryKind{
+ val name = "StringToHexBinary"
+
+ override def computeValue(a: AnyRef, dstate: DState): AnyRef = {
+ val result = a match {
+ case s: String => hexStringToByteArray(s)
+ case x => throw new NumberFormatException("%s cannot be cast to
dfdl:hexBinary\ndfdl:hexBinary received an unrecognized type! Must be String or
HexBinary.".format(x.toString))
+ }
+ result
+ }
+}
Review comment:
Does it make sense to modify XSHexBinary to call this function now so as to
minimize duplicate code? So XSHexBInary basically just calls
StringToHexBinary.computeValue(...), and all the actual conversion logic is
only in this object? This looks like how we do other conversions like XSTime
vs StringToTime
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