protected final boolean isZero(final JakExpression expr) {
if (expr.hasConstantValue(this.context)) {
Object object = expr.constantValue(this.context);
if (object instanceof Boolean) {
Boolean booleanValue = (Boolean) object;
return booleanValue.equals(Boolean.FALSE);
} else if (object instanceof Number) {
Number numberValue = (Number) object;
return (numberValue.intValue() == 0);
} else {
return false;
}
}
return false;
}
protected final boolean isNull(final JakExpression expr) {
return expr.hasConstantValue(this.context) && (expr.constantValue(this.context) == null);
}