Xu Pengcheng created JEXL-383:
---------------------------------
Summary: Inconsistent behavior after overriding toBoolean method
in JexlArithmetic
Key: JEXL-383
URL: https://issues.apache.org/jira/browse/JEXL-383
Project: Commons JEXL
Issue Type: Bug
Affects Versions: 3.2.1
Reporter: Xu Pengcheng
I tried to overriding "toBoolean" method of JexlArithmetic for 'strict' mode.
{code:java}
@Override
public boolean toBoolean(final Object val) {
if (val == null) {
return false;
} else {
return super.toBoolean(val);
}
} {code}
while executing code:
parameters:
{code:java}
a: null
{code}
but while executing scripts, the behavior is inconsistent
{code:java}
if (a) return 1 else return 2; // returns 2
if (!a) return 1 else return 2; // expect returns 1 but throws exception:
variable 'a' is null{code}
what should I do to fix it? thanks!
-Pengcheng
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