@Override
public String evaluate(WalkedPath walkedPath) {
switch (arrayPathType) {
case AUTO_EXPAND:
return canonicalForm;
case EXPLICIT_INDEX:
return arrayIndex;
case HASH:
LiteralPathElement element =
walkedPath.elementFromEnd(ref.getPathIndex()).getLiteralPathElement();
Integer index = element.getHashCount();
return index.toString();
case TRANSPOSE:
String key = transposePathElement.evaluate(walkedPath);
return verifyStringIsNonNegativeInteger(key);
case REFERENCE:
LiteralPathElement lpe =
walkedPath.elementFromEnd(ref.getPathIndex()).getLiteralPathElement();
String keyPart;
if (ref instanceof PathAndGroupReference) {
keyPart = lpe.getSubKeyRef(((PathAndGroupReference) ref).getKeyGroup());
} else {
keyPart = lpe.getSubKeyRef(0);
}
return verifyStringIsNonNegativeInteger(keyPart);
default:
throw new IllegalStateException(
"ArrayPathType enum added two without updating this switch statement.");
}
}
