Adrian Crum wrote: > On a related note... > > The problem Adam tried to fix is one of the problems I have with how the > scripting language is used. Here are some examples: > > <set field="someField" value="${someMap.someElement}"/> > <set field="someField" from-field="someMap.someElement"/> > > Both of those set elements do the same thing. The first example is (in > my opinion) a hack - it should throw an exception. The value attribute > should contain a constant value - not an expression. > > The specific problem Adam tried to fix was: > > <set field="someField" value="${groovy:...}"/> > > Again, I believe that use of the set element should throw an exception. > David suggested adding an attribute to the script element that would > accept scriptlets (or script fragments). My suggestion is to add a third > choice to the set element: expression. So, the set element would look > like this: > > <set field="someField" expression="${groovy:...}"/> > > To summarize, a field value can be assigned from a constant value, or > from an existing field, or from an expression. Attempts to hack an > attribute to make it behave like one of the others results in an exception. > > That's my two cents.
I'm still investigating this...