/**
* Verifies the list of copied values against the subreport.
*
* @throws JRException
*/
private void checkReturnValues() throws JRException {
if (returnValues != null && returnValues.length > 0) {
for (int i = 0; i < returnValues.length; i++) {
JRSubreportReturnValue returnValue = returnValues[i];
String subreportVariableName = returnValue.getSubreportVariable();
JRVariable subrepVariable = subreportFiller.getVariable(subreportVariableName);
if (subrepVariable == null) {
throw new JRException("Subreport variable " + subreportVariableName + " not found.");
}
JRVariable variable = filler.getVariable(returnValue.getToVariable());
if (returnValue.getCalculationValue() == CalculationEnum.COUNT
|| returnValue.getCalculationValue() == CalculationEnum.DISTINCT_COUNT) {
if (!Number.class.isAssignableFrom(variable.getValueClass())) {
throw new JRException(
"Variable " + returnValue.getToVariable() + " must have a numeric type.");
}
} else if (!variable.getValueClass().isAssignableFrom(subrepVariable.getValueClass())
&& !(Number.class.isAssignableFrom(variable.getValueClass())
&& Number.class.isAssignableFrom(subrepVariable.getValueClass()))) {
throw new JRException(
"Variable "
+ returnValue.getToVariable()
+ " is not assignable from subreport variable "
+ subreportVariableName);
}
}
}
}
