I'm trying to reference another object I've defined in a Spring config file from within an expression. Specifically, I'm trying to populate a property with the value of an expression where I call a method and then a property on the object returned from that method.
I've tried the following (names have been changed):
<property name="NullableIntProperty" expression="#{Some.Object.Id}.Get().NullableIntValue"/>
where Some.Object.Id is a reference to another object I have defined in a config file such as:
<object id="Some.Object.Id" ... >
but my app fails to start with the parsing exception "expecting "COLON", found '}'". I think it's expecting a namespace, but I'm not finding the documentation for this.
I've tried several things, but everywhere I hit a dead end. I originally tried a combination of the MethodInvokingFactoryObject and PropertyRetrievingFactoryObject which we use in other places for non-nullable types, but this fails for nullables that are actually null since Spring sees an object factory returning null as a failure (which it usually is).