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Return errors not nulls when: wrong number of arguments supplied; first argument zero length/empty string

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This commit is contained in:
Owen Stephens 2018-02-21 23:20:15 +00:00
parent 5aaf4362b0
commit 24f1923ff4
1 changed files with 23 additions and 23 deletions
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44
main/src/com/google/refine/expr/functions/ToDate.java
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@ -50,29 +50,30 @@ import com.google.refine.expr.EvalError;
import com.google.refine.expr.util.CalendarParser;
import com.google.refine.expr.util.CalendarParserException;
import com.google.refine.grel.Function;
import com.google.refine.grel.ControlFunctionRegistry;
import com.google.refine.util.ParsingUtilities;
public class ToDate implements Function {
@Override
public Object call(Properties bindings, Object[] args) {
if (args.length == 0) {
// missing value, can this happen?
return null;
}
Object arg0 = args[0];
String o1;
if (arg0 instanceof Date) {
return arg0;
} else if (arg0 instanceof Calendar) {
return ((Calendar) arg0).getTime();
} else if (arg0 instanceof Long) {
o1 = ((Long) arg0).toString(); // treat integers as years
} else if (arg0 instanceof String) {
o1 = (String) arg0;
if (args.length == 0) {
return new EvalError(ControlFunctionRegistry.getFunctionName(this) + " expects at least one argument");
} else {
// ignore cell values that aren't strings
return new EvalError("Not a String - cannot parse to date");
Object arg0 = args[0];
if (arg0 instanceof Date) {
return arg0;
} else if (arg0 instanceof Calendar) {
return ((Calendar) arg0).getTime();
} else if (arg0 instanceof Long) {
o1 = ((Long) arg0).toString(); // treat integers as years
} else if (arg0 instanceof String && arg0.toString().trim().length() > 0) {
o1 = (String) arg0;
} else {
// ignore cell values that aren't Date, Calendar, Long or String
return new EvalError("Unable to parse as date");
}
}
// "o, boolean month_first (optional)"
@ -98,13 +99,12 @@ public class ToDate implements Function {
// } catch (DatatypeConfigurationException e2) {
// }
}
return new EvalError("Cannot parse to date");
return new EvalError("Unable to parse as date");
}
}
} else if (args.length>=2) {
// "o, format1, format2 (optional), ..."
Locale locale = Locale.getDefault();
// "o, format1, format2 (optional), ..."
Locale locale = Locale.getDefault();
if (args.length>=2) {
for (int i=1;i<args.length;i++) {
if (!(args[i] instanceof String)) {
// skip formats that aren't strings
@ -156,9 +156,9 @@ public class ToDate implements Function {
}
}
return new EvalError("Unable to parse as date");
} else {
return new EvalError("Unable to parse as date");
}
return null;
}