jadams-tresys 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_r251588290
##########
File path:
daffodil-runtime1/src/main/scala/org/apache/daffodil/dpath/ConverterOps2.scala
##########
@@ -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:
I wasn't sure that it would, since the XSHexBinary computeValue also accepts
reading in a Byte array, so I thought it might be confusing if the
StringToHexBinary converter also allows reading in both a String or a Byte
array.
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